diff options
Diffstat (limited to 'results/classifier/105/other/939027')
| -rw-r--r-- | results/classifier/105/other/939027 | 1183 |
1 files changed, 1183 insertions, 0 deletions
diff --git a/results/classifier/105/other/939027 b/results/classifier/105/other/939027 new file mode 100644 index 00000000..87478dee --- /dev/null +++ b/results/classifier/105/other/939027 @@ -0,0 +1,1183 @@ +other: 0.654 +KVM: 0.620 +vnc: 0.572 +mistranslation: 0.561 +boot: 0.542 +semantic: 0.538 +graphic: 0.533 +instruction: 0.528 +device: 0.517 +assembly: 0.507 +socket: 0.492 +network: 0.483 + +Combining direct_io and non-direct_io leads to hang + +Version 0.12.2 - I know this isn't the latest but I looked through the changelogs and couldn't find any references to this being fixed. + +This is related to issues that many apps have, and is described in more detail here: + http://oss.sgi.com/archives/xfs/2010-07/msg00163.html +and: + https://bugs.launchpad.net/percona-xtrabackup/+bug/606981 + +When using both direct io and buffered io on the same file, you can cause corruption on the filesystem and other issues. +XFS out right hangs, but the problem exists on ext3 and other filesystems which silently carry on. + +**this is a data corruption issue**. + +This is the full stack trace we got from a recent hang: + +Feb 22 19:55:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more than 120 seconds. +Feb 22 19:55:14 virt11 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +Feb 22 19:55:14 virt11 kernel: qemu-kvm D 0000000000000002 0 18360 1 0x00000080 +Feb 22 19:55:14 virt11 kernel: ffff8808614457e8 0000000000000086 ffff8800282d5f80 ffff8800282d5f80 +Feb 22 19:55:14 virt11 kernel: ffff880861445768 ffffffff810573ce ffff880861445768 0000000000000086 +Feb 22 19:55:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 000000000000f598 ffff8808f15bba78 +Feb 22 19:55:14 virt11 kernel: Call Trace: +Feb 22 19:55:14 virt11 kernel: [<ffffffff810573ce>] ? activate_task+0x2e/0x40 +Feb 22 19:55:14 virt11 kernel: [<ffffffff814dd755>] rwsem_down_failed_common+0x95/0x1d0 +Feb 22 19:55:14 virt11 kernel: [<ffffffff814dd8b3>] rwsem_down_write_failed+0x23/0x30 +Feb 22 19:55:14 virt11 kernel: [<ffffffff8126e573>] call_rwsem_down_write_failed+0x13/0x20 +Feb 22 19:55:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +Feb 22 19:55:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 [xfs] +Feb 22 19:55:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 [xfs] +Feb 22 19:55:14 virt11 kernel: [<ffffffffa0354116>] __xfs_get_blocks+0x86/0x200 [xfs] +Feb 22 19:55:14 virt11 kernel: [<ffffffffa03542aa>] xfs_get_blocks_direct+0x1a/0x20 [xfs] +Feb 22 19:55:14 virt11 kernel: [<ffffffff811ac132>] __blockdev_direct_IO+0x872/0xc40 +Feb 22 19:55:14 virt11 kernel: [<ffffffffa0353f50>] xfs_vm_direct_IO+0xb0/0xf0 [xfs] +Feb 22 19:55:14 virt11 kernel: [<ffffffffa0354290>] ? xfs_get_blocks_direct+0x0/0x20 [xfs] +Feb 22 19:55:14 virt11 kernel: [<ffffffffa0353cc0>] ? xfs_end_io_direct+0x0/0xe0 [xfs] +Feb 22 19:55:14 virt11 kernel: [<ffffffff8106dd57>] ? current_fs_time+0x27/0x30 +Feb 22 19:55:14 virt11 kernel: [<ffffffff8110df22>] generic_file_direct_write+0xc2/0x190 +Feb 22 19:55:14 virt11 kernel: [<ffffffffa034bfcf>] ? xfs_trans_unlocked_item+0x4f/0x60 [xfs] +Feb 22 19:55:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 [xfs] +Feb 22 19:55:14 virt11 kernel: [<ffffffff8105dc72>] ? default_wake_function+0x12/0x20 +Feb 22 19:55:14 virt11 kernel: [<ffffffffa03599a1>] xfs_file_aio_write+0x61/0x70 [xfs] +Feb 22 19:55:14 virt11 kernel: [<ffffffff8117241a>] do_sync_write+0xfa/0x140 +Feb 22 19:55:14 virt11 kernel: [<ffffffff8107fbc2>] ? send_signal+0x42/0x80 +Feb 22 19:55:14 virt11 kernel: [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 +Feb 22 19:55:14 virt11 kernel: [<ffffffff8107ff96>] ? group_send_sig_info+0x56/0x70 +Feb 22 19:55:14 virt11 kernel: [<ffffffff81211d3b>] ? selinux_file_permission+0xfb/0x150 +Feb 22 19:55:14 virt11 kernel: [<ffffffff812051a6>] ? security_file_permission+0x16/0x20 +Feb 22 19:55:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +Feb 22 19:55:14 virt11 kernel: [<ffffffff810d1b62>] ? audit_syscall_entry+0x272/0x2a0 +Feb 22 19:55:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +Feb 22 19:55:14 virt11 kernel: [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b +Feb 22 19:57:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more than 120 seconds. +Feb 22 19:57:14 virt11 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +Feb 22 19:57:14 virt11 kernel: qemu-kvm D 0000000000000002 0 18360 1 0x00000080 +Feb 22 19:57:14 virt11 kernel: ffff8808614457e8 0000000000000086 ffff8800282d5f80 ffff8800282d5f80 +Feb 22 19:57:14 virt11 kernel: ffff880861445768 ffffffff810573ce ffff880861445768 0000000000000086 +Feb 22 19:57:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 000000000000f598 ffff8808f15bba78 +Feb 22 19:57:14 virt11 kernel: Call Trace: +Feb 22 19:57:14 virt11 kernel: [<ffffffff810573ce>] ? activate_task+0x2e/0x40 +Feb 22 19:57:14 virt11 kernel: [<ffffffff814dd755>] rwsem_down_failed_common+0x95/0x1d0 +Feb 22 19:57:14 virt11 kernel: [<ffffffff814dd8b3>] rwsem_down_write_failed+0x23/0x30 +Feb 22 19:57:14 virt11 kernel: [<ffffffff8126e573>] call_rwsem_down_write_failed+0x13/0x20 +Feb 22 19:57:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +Feb 22 19:57:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 [xfs] +Feb 22 19:57:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 [xfs] +Feb 22 19:57:14 virt11 kernel: [<ffffffffa0354116>] __xfs_get_blocks+0x86/0x200 [xfs] +Feb 22 19:57:14 virt11 kernel: [<ffffffffa03542aa>] xfs_get_blocks_direct+0x1a/0x20 [xfs] +Feb 22 19:57:14 virt11 kernel: [<ffffffff811ac132>] __blockdev_direct_IO+0x872/0xc40 +Feb 22 19:57:14 virt11 kernel: [<ffffffffa0353f50>] xfs_vm_direct_IO+0xb0/0xf0 [xfs] +Feb 22 19:57:14 virt11 kernel: [<ffffffffa0354290>] ? xfs_get_blocks_direct+0x0/0x20 [xfs] +Feb 22 19:57:14 virt11 kernel: [<ffffffffa0353cc0>] ? xfs_end_io_direct+0x0/0xe0 [xfs] +Feb 22 19:57:14 virt11 kernel: [<ffffffff8106dd57>] ? current_fs_time+0x27/0x30 +Feb 22 19:57:14 virt11 kernel: [<ffffffff8110df22>] generic_file_direct_write+0xc2/0x190 +Feb 22 19:57:14 virt11 kernel: [<ffffffffa034bfcf>] ? xfs_trans_unlocked_item+0x4f/0x60 [xfs] +Feb 22 19:57:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 [xfs] +Feb 22 19:57:14 virt11 kernel: [<ffffffff8105dc72>] ? default_wake_function+0x12/0x20 +Feb 22 19:57:14 virt11 kernel: [<ffffffffa03599a1>] xfs_file_aio_write+0x61/0x70 [xfs] +Feb 22 19:57:14 virt11 kernel: [<ffffffff8117241a>] do_sync_write+0xfa/0x140 +Feb 22 19:57:14 virt11 kernel: [<ffffffff8107fbc2>] ? send_signal+0x42/0x80 +Feb 22 19:57:14 virt11 kernel: [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 +Feb 22 19:57:14 virt11 kernel: [<ffffffff8107ff96>] ? group_send_sig_info+0x56/0x70 +Feb 22 19:57:14 virt11 kernel: [<ffffffff81211d3b>] ? selinux_file_permission+0xfb/0x150 +Feb 22 19:57:14 virt11 kernel: [<ffffffff812051a6>] ? security_file_permission+0x16/0x20 +Feb 22 19:57:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +Feb 22 19:57:14 virt11 kernel: [<ffffffff810d1b62>] ? audit_syscall_entry+0x272/0x2a0 +Feb 22 19:57:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +Feb 22 19:57:14 virt11 kernel: [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b +Feb 22 19:59:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more than 120 seconds. +Feb 22 19:59:14 virt11 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +Feb 22 19:59:14 virt11 kernel: qemu-kvm D 0000000000000002 0 18360 1 0x00000080 +Feb 22 19:59:14 virt11 kernel: ffff8808614457e8 0000000000000086 ffff8800282d5f80 ffff8800282d5f80 +Feb 22 19:59:14 virt11 kernel: ffff880861445768 ffffffff810573ce ffff880861445768 0000000000000086 +Feb 22 19:59:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 000000000000f598 ffff8808f15bba78 +Feb 22 19:59:14 virt11 kernel: Call Trace: +Feb 22 19:59:14 virt11 kernel: [<ffffffff810573ce>] ? activate_task+0x2e/0x40 +Feb 22 19:59:14 virt11 kernel: [<ffffffff814dd755>] rwsem_down_failed_common+0x95/0x1d0 +Feb 22 19:59:14 virt11 kernel: [<ffffffff814dd8b3>] rwsem_down_write_failed+0x23/0x30 +Feb 22 19:59:14 virt11 kernel: [<ffffffff8126e573>] call_rwsem_down_write_failed+0x13/0x20 +Feb 22 19:59:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +Feb 22 19:59:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 [xfs] +Feb 22 19:59:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 [xfs] +Feb 22 19:59:14 virt11 kernel: [<ffffffffa0354116>] __xfs_get_blocks+0x86/0x200 [xfs] +Feb 22 19:59:14 virt11 kernel: [<ffffffffa03542aa>] xfs_get_blocks_direct+0x1a/0x20 [xfs] +Feb 22 19:59:14 virt11 kernel: [<ffffffff811ac132>] __blockdev_direct_IO+0x872/0xc40 +Feb 22 19:59:14 virt11 kernel: [<ffffffffa0353f50>] xfs_vm_direct_IO+0xb0/0xf0 [xfs] +Feb 22 19:59:14 virt11 kernel: [<ffffffffa0354290>] ? xfs_get_blocks_direct+0x0/0x20 [xfs] +Feb 22 19:59:14 virt11 kernel: [<ffffffffa0353cc0>] ? xfs_end_io_direct+0x0/0xe0 [xfs] +Feb 22 19:59:14 virt11 kernel: [<ffffffff8106dd57>] ? current_fs_time+0x27/0x30 +Feb 22 19:59:14 virt11 kernel: [<ffffffff8110df22>] generic_file_direct_write+0xc2/0x190 +Feb 22 19:59:14 virt11 kernel: [<ffffffffa034bfcf>] ? xfs_trans_unlocked_item+0x4f/0x60 [xfs] +Feb 22 19:59:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 [xfs] +Feb 22 19:59:14 virt11 kernel: [<ffffffff8105dc72>] ? default_wake_function+0x12/0x20 +Feb 22 19:59:14 virt11 kernel: [<ffffffffa03599a1>] xfs_file_aio_write+0x61/0x70 [xfs] +Feb 22 19:59:14 virt11 kernel: [<ffffffff8117241a>] do_sync_write+0xfa/0x140 +Feb 22 19:59:14 virt11 kernel: [<ffffffff8107fbc2>] ? send_signal+0x42/0x80 +Feb 22 19:59:14 virt11 kernel: [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 +Feb 22 19:59:14 virt11 kernel: [<ffffffff8107ff96>] ? group_send_sig_info+0x56/0x70 +Feb 22 19:59:14 virt11 kernel: [<ffffffff81211d3b>] ? selinux_file_permission+0xfb/0x150 +Feb 22 19:59:14 virt11 kernel: [<ffffffff812051a6>] ? security_file_permission+0x16/0x20 +Feb 22 19:59:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +Feb 22 19:59:14 virt11 kernel: [<ffffffff810d1b62>] ? audit_syscall_entry+0x272/0x2a0 +Feb 22 19:59:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +Feb 22 19:59:14 virt11 kernel: [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b +Feb 22 20:01:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more than 120 seconds. +Feb 22 20:01:14 virt11 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +Feb 22 20:01:14 virt11 kernel: qemu-kvm D 0000000000000002 0 18360 1 0x00000080 +Feb 22 20:01:14 virt11 kernel: ffff8808614457e8 0000000000000086 ffff8800282d5f80 ffff8800282d5f80 +Feb 22 20:01:14 virt11 kernel: ffff880861445768 ffffffff810573ce ffff880861445768 0000000000000086 +Feb 22 20:01:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 000000000000f598 ffff8808f15bba78 +Feb 22 20:01:14 virt11 kernel: Call Trace: +Feb 22 20:01:14 virt11 kernel: [<ffffffff810573ce>] ? activate_task+0x2e/0x40 +Feb 22 20:01:14 virt11 kernel: [<ffffffff814dd755>] rwsem_down_failed_common+0x95/0x1d0 +Feb 22 20:01:14 virt11 kernel: [<ffffffff814dd8b3>] rwsem_down_write_failed+0x23/0x30 +Feb 22 20:01:14 virt11 kernel: [<ffffffff8126e573>] call_rwsem_down_write_failed+0x13/0x20 +Feb 22 20:01:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +Feb 22 20:01:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 [xfs] +Feb 22 20:01:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 [xfs] +Feb 22 20:01:14 virt11 kernel: [<ffffffffa0354116>] __xfs_get_blocks+0x86/0x200 [xfs] +Feb 22 20:01:14 virt11 kernel: [<ffffffffa03542aa>] xfs_get_blocks_direct+0x1a/0x20 [xfs] +Feb 22 20:01:14 virt11 kernel: [<ffffffff811ac132>] __blockdev_direct_IO+0x872/0xc40 +Feb 22 20:01:14 virt11 kernel: [<ffffffffa0353f50>] xfs_vm_direct_IO+0xb0/0xf0 [xfs] +Feb 22 20:01:14 virt11 kernel: [<ffffffffa0354290>] ? xfs_get_blocks_direct+0x0/0x20 [xfs] +Feb 22 20:01:14 virt11 kernel: [<ffffffffa0353cc0>] ? xfs_end_io_direct+0x0/0xe0 [xfs] +Feb 22 20:01:14 virt11 kernel: [<ffffffff8106dd57>] ? current_fs_time+0x27/0x30 +Feb 22 20:01:14 virt11 kernel: [<ffffffff8110df22>] generic_file_direct_write+0xc2/0x190 +Feb 22 20:01:14 virt11 kernel: [<ffffffffa034bfcf>] ? xfs_trans_unlocked_item+0x4f/0x60 [xfs] +Feb 22 20:01:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 [xfs] +Feb 22 20:01:14 virt11 kernel: [<ffffffff8105dc72>] ? default_wake_function+0x12/0x20 +Feb 22 20:01:14 virt11 kernel: [<ffffffffa03599a1>] xfs_file_aio_write+0x61/0x70 [xfs] +Feb 22 20:01:14 virt11 kernel: [<ffffffff8117241a>] do_sync_write+0xfa/0x140 +Feb 22 20:01:14 virt11 kernel: [<ffffffff8107fbc2>] ? send_signal+0x42/0x80 +Feb 22 20:01:14 virt11 kernel: [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 +Feb 22 20:01:14 virt11 kernel: [<ffffffff8107ff96>] ? group_send_sig_info+0x56/0x70 +Feb 22 20:01:14 virt11 kernel: [<ffffffff81211d3b>] ? selinux_file_permission+0xfb/0x150 +Feb 22 20:01:14 virt11 kernel: [<ffffffff812051a6>] ? security_file_permission+0x16/0x20 +Feb 22 20:01:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +Feb 22 20:01:14 virt11 kernel: [<ffffffff810d1b62>] ? audit_syscall_entry+0x272/0x2a0 +Feb 22 20:01:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +Feb 22 20:01:14 virt11 kernel: [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b +Feb 22 20:03:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more than 120 seconds. +Feb 22 20:03:14 virt11 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +Feb 22 20:03:14 virt11 kernel: qemu-kvm D 0000000000000002 0 18360 1 0x00000080 +Feb 22 20:03:14 virt11 kernel: ffff8808614457e8 0000000000000086 ffff8800282d5f80 ffff8800282d5f80 +Feb 22 20:03:14 virt11 kernel: ffff880861445768 ffffffff810573ce ffff880861445768 0000000000000086 +Feb 22 20:03:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 000000000000f598 ffff8808f15bba78 +Feb 22 20:03:14 virt11 kernel: Call Trace: +Feb 22 20:03:14 virt11 kernel: [<ffffffff810573ce>] ? activate_task+0x2e/0x40 +Feb 22 20:03:14 virt11 kernel: [<ffffffff814dd755>] rwsem_down_failed_common+0x95/0x1d0 +Feb 22 20:03:14 virt11 kernel: [<ffffffff814dd8b3>] rwsem_down_write_failed+0x23/0x30 +Feb 22 20:03:14 virt11 kernel: [<ffffffff8126e573>] call_rwsem_down_write_failed+0x13/0x20 +Feb 22 20:03:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +Feb 22 20:03:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 [xfs] +Feb 22 20:03:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 [xfs] +Feb 22 20:03:14 virt11 kernel: [<ffffffffa0354116>] __xfs_get_blocks+0x86/0x200 [xfs] +Feb 22 20:03:14 virt11 kernel: [<ffffffffa03542aa>] xfs_get_blocks_direct+0x1a/0x20 [xfs] +Feb 22 20:03:14 virt11 kernel: [<ffffffff811ac132>] __blockdev_direct_IO+0x872/0xc40 +Feb 22 20:03:14 virt11 kernel: [<ffffffffa0353f50>] xfs_vm_direct_IO+0xb0/0xf0 [xfs] +Feb 22 20:03:14 virt11 kernel: [<ffffffffa0354290>] ? xfs_get_blocks_direct+0x0/0x20 [xfs] +Feb 22 20:03:14 virt11 kernel: [<ffffffffa0353cc0>] ? xfs_end_io_direct+0x0/0xe0 [xfs] +Feb 22 20:03:14 virt11 kernel: [<ffffffff8106dd57>] ? current_fs_time+0x27/0x30 +Feb 22 20:03:14 virt11 kernel: [<ffffffff8110df22>] generic_file_direct_write+0xc2/0x190 +Feb 22 20:03:14 virt11 kernel: [<ffffffffa034bfcf>] ? xfs_trans_unlocked_item+0x4f/0x60 [xfs] +Feb 22 20:03:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 [xfs] +Feb 22 20:03:14 virt11 kernel: [<ffffffff8105dc72>] ? default_wake_function+0x12/0x20 +Feb 22 20:03:14 virt11 kernel: [<ffffffffa03599a1>] xfs_file_aio_write+0x61/0x70 [xfs] +Feb 22 20:03:14 virt11 kernel: [<ffffffff8117241a>] do_sync_write+0xfa/0x140 +Feb 22 20:03:14 virt11 kernel: [<ffffffff8107fbc2>] ? send_signal+0x42/0x80 +Feb 22 20:03:14 virt11 kernel: [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 +Feb 22 20:03:14 virt11 kernel: [<ffffffff8107ff96>] ? group_send_sig_info+0x56/0x70 +Feb 22 20:03:14 virt11 kernel: [<ffffffff81211d3b>] ? selinux_file_permission+0xfb/0x150 +Feb 22 20:03:14 virt11 kernel: [<ffffffff812051a6>] ? security_file_permission+0x16/0x20 +Feb 22 20:03:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +Feb 22 20:03:14 virt11 kernel: [<ffffffff810d1b62>] ? audit_syscall_entry+0x272/0x2a0 +Feb 22 20:03:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +Feb 22 20:03:14 virt11 kernel: [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b +Feb 22 20:05:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more than 120 seconds. +Feb 22 20:05:14 virt11 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +Feb 22 20:05:14 virt11 kernel: qemu-kvm D 0000000000000002 0 18360 1 0x00000080 +Feb 22 20:05:14 virt11 kernel: ffff8808614457e8 0000000000000086 ffff8800282d5f80 ffff8800282d5f80 +Feb 22 20:05:14 virt11 kernel: ffff880861445768 ffffffff810573ce ffff880861445768 0000000000000086 +Feb 22 20:05:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 000000000000f598 ffff8808f15bba78 +Feb 22 20:05:14 virt11 kernel: Call Trace: +Feb 22 20:05:14 virt11 kernel: [<ffffffff810573ce>] ? activate_task+0x2e/0x40 +Feb 22 20:05:14 virt11 kernel: [<ffffffff814dd755>] rwsem_down_failed_common+0x95/0x1d0 +Feb 22 20:05:14 virt11 kernel: [<ffffffff814dd8b3>] rwsem_down_write_failed+0x23/0x30 +Feb 22 20:05:14 virt11 kernel: [<ffffffff8126e573>] call_rwsem_down_write_failed+0x13/0x20 +Feb 22 20:05:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +Feb 22 20:05:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 [xfs] +Feb 22 20:05:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 [xfs] +Feb 22 20:05:14 virt11 kernel: [<ffffffffa0354116>] __xfs_get_blocks+0x86/0x200 [xfs] +Feb 22 20:05:14 virt11 kernel: [<ffffffffa03542aa>] xfs_get_blocks_direct+0x1a/0x20 [xfs] +Feb 22 20:05:14 virt11 kernel: [<ffffffff811ac132>] __blockdev_direct_IO+0x872/0xc40 +Feb 22 20:05:14 virt11 kernel: [<ffffffffa0353f50>] xfs_vm_direct_IO+0xb0/0xf0 [xfs] +Feb 22 20:05:14 virt11 kernel: [<ffffffffa0354290>] ? xfs_get_blocks_direct+0x0/0x20 [xfs] +Feb 22 20:05:14 virt11 kernel: [<ffffffffa0353cc0>] ? xfs_end_io_direct+0x0/0xe0 [xfs] +Feb 22 20:05:14 virt11 kernel: [<ffffffff8106dd57>] ? current_fs_time+0x27/0x30 +Feb 22 20:05:14 virt11 kernel: [<ffffffff8110df22>] generic_file_direct_write+0xc2/0x190 +Feb 22 20:05:14 virt11 kernel: [<ffffffffa034bfcf>] ? xfs_trans_unlocked_item+0x4f/0x60 [xfs] +Feb 22 20:05:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 [xfs] +Feb 22 20:05:14 virt11 kernel: [<ffffffff8105dc72>] ? default_wake_function+0x12/0x20 +Feb 22 20:05:14 virt11 kernel: [<ffffffffa03599a1>] xfs_file_aio_write+0x61/0x70 [xfs] +Feb 22 20:05:14 virt11 kernel: [<ffffffff8117241a>] do_sync_write+0xfa/0x140 +Feb 22 20:05:14 virt11 kernel: [<ffffffff8107fbc2>] ? send_signal+0x42/0x80 +Feb 22 20:05:14 virt11 kernel: [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 +Feb 22 20:05:14 virt11 kernel: [<ffffffff8107ff96>] ? group_send_sig_info+0x56/0x70 +Feb 22 20:05:14 virt11 kernel: [<ffffffff81211d3b>] ? selinux_file_permission+0xfb/0x150 +Feb 22 20:05:14 virt11 kernel: [<ffffffff812051a6>] ? security_file_permission+0x16/0x20 +Feb 22 20:05:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +Feb 22 20:05:14 virt11 kernel: [<ffffffff810d1b62>] ? audit_syscall_entry+0x272/0x2a0 +Feb 22 20:05:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +Feb 22 20:05:14 virt11 kernel: [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b +Feb 22 20:07:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more than 120 seconds. +Feb 22 20:07:14 virt11 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +Feb 22 20:07:14 virt11 kernel: qemu-kvm D 0000000000000002 0 18360 1 0x00000080 +Feb 22 20:07:14 virt11 kernel: ffff8808614457e8 0000000000000086 ffff8800282d5f80 ffff8800282d5f80 +Feb 22 20:07:14 virt11 kernel: ffff880861445768 ffffffff810573ce ffff880861445768 0000000000000086 +Feb 22 20:07:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 000000000000f598 ffff8808f15bba78 +Feb 22 20:07:14 virt11 kernel: Call Trace: +Feb 22 20:07:14 virt11 kernel: [<ffffffff810573ce>] ? activate_task+0x2e/0x40 +Feb 22 20:07:14 virt11 kernel: [<ffffffff814dd755>] rwsem_down_failed_common+0x95/0x1d0 +Feb 22 20:07:14 virt11 kernel: [<ffffffff814dd8b3>] rwsem_down_write_failed+0x23/0x30 +Feb 22 20:07:14 virt11 kernel: [<ffffffff8126e573>] call_rwsem_down_write_failed+0x13/0x20 +Feb 22 20:07:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +Feb 22 20:07:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 [xfs] +Feb 22 20:07:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 [xfs] +Feb 22 20:07:14 virt11 kernel: [<ffffffffa0354116>] __xfs_get_blocks+0x86/0x200 [xfs] +Feb 22 20:07:14 virt11 kernel: [<ffffffffa03542aa>] xfs_get_blocks_direct+0x1a/0x20 [xfs] +Feb 22 20:07:14 virt11 kernel: [<ffffffff811ac132>] __blockdev_direct_IO+0x872/0xc40 +Feb 22 20:07:14 virt11 kernel: [<ffffffffa0353f50>] xfs_vm_direct_IO+0xb0/0xf0 [xfs] +Feb 22 20:07:14 virt11 kernel: [<ffffffffa0354290>] ? xfs_get_blocks_direct+0x0/0x20 [xfs] +Feb 22 20:07:14 virt11 kernel: [<ffffffffa0353cc0>] ? xfs_end_io_direct+0x0/0xe0 [xfs] +Feb 22 20:07:14 virt11 kernel: [<ffffffff8106dd57>] ? current_fs_time+0x27/0x30 +Feb 22 20:07:14 virt11 kernel: [<ffffffff8110df22>] generic_file_direct_write+0xc2/0x190 +Feb 22 20:07:14 virt11 kernel: [<ffffffffa034bfcf>] ? xfs_trans_unlocked_item+0x4f/0x60 [xfs] +Feb 22 20:07:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 [xfs] +Feb 22 20:07:14 virt11 kernel: [<ffffffff8105dc72>] ? default_wake_function+0x12/0x20 +Feb 22 20:07:14 virt11 kernel: [<ffffffffa03599a1>] xfs_file_aio_write+0x61/0x70 [xfs] +Feb 22 20:07:14 virt11 kernel: [<ffffffff8117241a>] do_sync_write+0xfa/0x140 +Feb 22 20:07:14 virt11 kernel: [<ffffffff8107fbc2>] ? send_signal+0x42/0x80 +Feb 22 20:07:14 virt11 kernel: [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 +Feb 22 20:07:14 virt11 kernel: [<ffffffff8107ff96>] ? group_send_sig_info+0x56/0x70 +Feb 22 20:07:14 virt11 kernel: [<ffffffff81211d3b>] ? selinux_file_permission+0xfb/0x150 +Feb 22 20:07:14 virt11 kernel: [<ffffffff812051a6>] ? security_file_permission+0x16/0x20 +Feb 22 20:07:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +Feb 22 20:07:14 virt11 kernel: [<ffffffff810d1b62>] ? audit_syscall_entry+0x272/0x2a0 +Feb 22 20:07:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +Feb 22 20:07:14 virt11 kernel: [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b +Feb 22 20:09:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more than 120 seconds. +Feb 22 20:09:14 virt11 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +Feb 22 20:09:14 virt11 kernel: qemu-kvm D 0000000000000002 0 18360 1 0x00000080 +Feb 22 20:09:14 virt11 kernel: ffff8808614457e8 0000000000000086 ffff8800282d5f80 ffff8800282d5f80 +Feb 22 20:09:14 virt11 kernel: ffff880861445768 ffffffff810573ce ffff880861445768 0000000000000086 +Feb 22 20:09:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 000000000000f598 ffff8808f15bba78 +Feb 22 20:09:14 virt11 kernel: Call Trace: +Feb 22 20:09:14 virt11 kernel: [<ffffffff810573ce>] ? activate_task+0x2e/0x40 +Feb 22 20:09:14 virt11 kernel: [<ffffffff814dd755>] rwsem_down_failed_common+0x95/0x1d0 +Feb 22 20:09:14 virt11 kernel: [<ffffffff814dd8b3>] rwsem_down_write_failed+0x23/0x30 +Feb 22 20:09:14 virt11 kernel: [<ffffffff8126e573>] call_rwsem_down_write_failed+0x13/0x20 +Feb 22 20:09:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +Feb 22 20:09:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 [xfs] +Feb 22 20:09:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 [xfs] +Feb 22 20:09:14 virt11 kernel: [<ffffffffa0354116>] __xfs_get_blocks+0x86/0x200 [xfs] +Feb 22 20:09:14 virt11 kernel: [<ffffffffa03542aa>] xfs_get_blocks_direct+0x1a/0x20 [xfs] +Feb 22 20:09:14 virt11 kernel: [<ffffffff811ac132>] __blockdev_direct_IO+0x872/0xc40 +Feb 22 20:09:14 virt11 kernel: [<ffffffffa0353f50>] xfs_vm_direct_IO+0xb0/0xf0 [xfs] +Feb 22 20:09:14 virt11 kernel: [<ffffffffa0354290>] ? xfs_get_blocks_direct+0x0/0x20 [xfs] +Feb 22 20:09:14 virt11 kernel: [<ffffffffa0353cc0>] ? xfs_end_io_direct+0x0/0xe0 [xfs] +Feb 22 20:09:14 virt11 kernel: [<ffffffff8106dd57>] ? current_fs_time+0x27/0x30 +Feb 22 20:09:14 virt11 kernel: [<ffffffff8110df22>] generic_file_direct_write+0xc2/0x190 +Feb 22 20:09:14 virt11 kernel: [<ffffffffa034bfcf>] ? xfs_trans_unlocked_item+0x4f/0x60 [xfs] +Feb 22 20:09:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 [xfs] +Feb 22 20:09:14 virt11 kernel: [<ffffffff8105dc72>] ? default_wake_function+0x12/0x20 +Feb 22 20:09:14 virt11 kernel: [<ffffffffa03599a1>] xfs_file_aio_write+0x61/0x70 [xfs] +Feb 22 20:09:14 virt11 kernel: [<ffffffff8117241a>] do_sync_write+0xfa/0x140 +Feb 22 20:09:14 virt11 kernel: [<ffffffff8107fbc2>] ? send_signal+0x42/0x80 +Feb 22 20:09:14 virt11 kernel: [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 +Feb 22 20:09:14 virt11 kernel: [<ffffffff8107ff96>] ? group_send_sig_info+0x56/0x70 +Feb 22 20:09:14 virt11 kernel: [<ffffffff81211d3b>] ? selinux_file_permission+0xfb/0x150 +Feb 22 20:09:14 virt11 kernel: [<ffffffff812051a6>] ? security_file_permission+0x16/0x20 +Feb 22 20:09:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +Feb 22 20:09:14 virt11 kernel: [<ffffffff810d1b62>] ? audit_syscall_entry+0x272/0x2a0 +Feb 22 20:09:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +Feb 22 20:09:14 virt11 kernel: [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b +Feb 22 20:11:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more than 120 seconds. +Feb 22 20:11:14 virt11 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +Feb 22 20:11:14 virt11 kernel: qemu-kvm D 0000000000000002 0 18360 1 0x00000080 +Feb 22 20:11:14 virt11 kernel: ffff8808614457e8 0000000000000086 ffff8800282d5f80 ffff8800282d5f80 +Feb 22 20:11:14 virt11 kernel: ffff880861445768 ffffffff810573ce ffff880861445768 0000000000000086 +Feb 22 20:11:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 000000000000f598 ffff8808f15bba78 +Feb 22 20:11:14 virt11 kernel: Call Trace: +Feb 22 20:11:14 virt11 kernel: [<ffffffff810573ce>] ? activate_task+0x2e/0x40 +Feb 22 20:11:14 virt11 kernel: [<ffffffff814dd755>] rwsem_down_failed_common+0x95/0x1d0 +Feb 22 20:11:14 virt11 kernel: [<ffffffff814dd8b3>] rwsem_down_write_failed+0x23/0x30 +Feb 22 20:11:14 virt11 kernel: [<ffffffff8126e573>] call_rwsem_down_write_failed+0x13/0x20 +Feb 22 20:11:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +Feb 22 20:11:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 [xfs] +Feb 22 20:11:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 [xfs] +Feb 22 20:11:14 virt11 kernel: [<ffffffffa0354116>] __xfs_get_blocks+0x86/0x200 [xfs] +Feb 22 20:11:14 virt11 kernel: [<ffffffffa03542aa>] xfs_get_blocks_direct+0x1a/0x20 [xfs] +Feb 22 20:11:14 virt11 kernel: [<ffffffff811ac132>] __blockdev_direct_IO+0x872/0xc40 +Feb 22 20:11:14 virt11 kernel: [<ffffffffa0353f50>] xfs_vm_direct_IO+0xb0/0xf0 [xfs] +Feb 22 20:11:14 virt11 kernel: [<ffffffffa0354290>] ? xfs_get_blocks_direct+0x0/0x20 [xfs] +Feb 22 20:11:14 virt11 kernel: [<ffffffffa0353cc0>] ? xfs_end_io_direct+0x0/0xe0 [xfs] +Feb 22 20:11:14 virt11 kernel: [<ffffffff8106dd57>] ? current_fs_time+0x27/0x30 +Feb 22 20:11:14 virt11 kernel: [<ffffffff8110df22>] generic_file_direct_write+0xc2/0x190 +Feb 22 20:11:14 virt11 kernel: [<ffffffffa034bfcf>] ? xfs_trans_unlocked_item+0x4f/0x60 [xfs] +Feb 22 20:11:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 [xfs] +Feb 22 20:11:14 virt11 kernel: [<ffffffff8105dc72>] ? default_wake_function+0x12/0x20 +Feb 22 20:11:14 virt11 kernel: [<ffffffffa03599a1>] xfs_file_aio_write+0x61/0x70 [xfs] +Feb 22 20:11:14 virt11 kernel: [<ffffffff8117241a>] do_sync_write+0xfa/0x140 +Feb 22 20:11:14 virt11 kernel: [<ffffffff8107fbc2>] ? send_signal+0x42/0x80 +Feb 22 20:11:14 virt11 kernel: [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 +Feb 22 20:11:14 virt11 kernel: [<ffffffff8107ff96>] ? group_send_sig_info+0x56/0x70 +Feb 22 20:11:14 virt11 kernel: [<ffffffff81211d3b>] ? selinux_file_permission+0xfb/0x150 +Feb 22 20:11:14 virt11 kernel: [<ffffffff812051a6>] ? security_file_permission+0x16/0x20 +Feb 22 20:11:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +Feb 22 20:11:14 virt11 kernel: [<ffffffff810d1b62>] ? audit_syscall_entry+0x272/0x2a0 +Feb 22 20:11:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +Feb 22 20:11:14 virt11 kernel: [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b +Feb 22 20:13:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more than 120 seconds. +Feb 22 20:13:14 virt11 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +Feb 22 20:13:14 virt11 kernel: qemu-kvm D 0000000000000002 0 18360 1 0x00000080 +Feb 22 20:13:14 virt11 kernel: ffff8808614457e8 0000000000000086 ffff8800282d5f80 ffff8800282d5f80 +Feb 22 20:13:14 virt11 kernel: ffff880861445768 ffffffff810573ce ffff880861445768 0000000000000086 +Feb 22 20:13:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 000000000000f598 ffff8808f15bba78 +Feb 22 20:13:14 virt11 kernel: Call Trace: +Feb 22 20:13:14 virt11 kernel: [<ffffffff810573ce>] ? activate_task+0x2e/0x40 +Feb 22 20:13:14 virt11 kernel: [<ffffffff814dd755>] rwsem_down_failed_common+0x95/0x1d0 +Feb 22 20:13:14 virt11 kernel: [<ffffffff814dd8b3>] rwsem_down_write_failed+0x23/0x30 +Feb 22 20:13:14 virt11 kernel: [<ffffffff8126e573>] call_rwsem_down_write_failed+0x13/0x20 +Feb 22 20:13:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +Feb 22 20:13:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 [xfs] +Feb 22 20:13:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 [xfs] +Feb 22 20:13:14 virt11 kernel: [<ffffffffa0354116>] __xfs_get_blocks+0x86/0x200 [xfs] +Feb 22 20:13:14 virt11 kernel: [<ffffffffa03542aa>] xfs_get_blocks_direct+0x1a/0x20 [xfs] +Feb 22 20:13:14 virt11 kernel: [<ffffffff811ac132>] __blockdev_direct_IO+0x872/0xc40 +Feb 22 20:13:14 virt11 kernel: [<ffffffffa0353f50>] xfs_vm_direct_IO+0xb0/0xf0 [xfs] +Feb 22 20:13:14 virt11 kernel: [<ffffffffa0354290>] ? xfs_get_blocks_direct+0x0/0x20 [xfs] +Feb 22 20:13:14 virt11 kernel: [<ffffffffa0353cc0>] ? xfs_end_io_direct+0x0/0xe0 [xfs] +Feb 22 20:13:14 virt11 kernel: [<ffffffff8106dd57>] ? current_fs_time+0x27/0x30 +Feb 22 20:13:14 virt11 kernel: [<ffffffff8110df22>] generic_file_direct_write+0xc2/0x190 +Feb 22 20:13:14 virt11 kernel: [<ffffffffa034bfcf>] ? xfs_trans_unlocked_item+0x4f/0x60 [xfs] +Feb 22 20:13:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 [xfs] +Feb 22 20:13:14 virt11 kernel: [<ffffffff8105dc72>] ? default_wake_function+0x12/0x20 +Feb 22 20:13:14 virt11 kernel: [<ffffffffa03599a1>] xfs_file_aio_write+0x61/0x70 [xfs] +Feb 22 20:13:14 virt11 kernel: [<ffffffff8117241a>] do_sync_write+0xfa/0x140 +Feb 22 20:13:14 virt11 kernel: [<ffffffff8107fbc2>] ? send_signal+0x42/0x80 +Feb 22 20:13:14 virt11 kernel: [<ffffffff8108e160>] ? autoremove_wake_function+0x0/0x40 +Feb 22 20:13:14 virt11 kernel: [<ffffffff8107ff96>] ? group_send_sig_info+0x56/0x70 +Feb 22 20:13:14 virt11 kernel: [<ffffffff81211d3b>] ? selinux_file_permission+0xfb/0x150 +Feb 22 20:13:14 virt11 kernel: [<ffffffff812051a6>] ? security_file_permission+0x16/0x20 +Feb 22 20:13:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +Feb 22 20:13:14 virt11 kernel: [<ffffffff810d1b62>] ? audit_syscall_entry+0x272/0x2a0 +Feb 22 20:13:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +Feb 22 20:13:14 virt11 kernel: [<ffffffff8100b172>] system_call_fastpath+0x16/0x1b + +On Wed, Feb 22, 2012 at 09:49:59PM -0000, Avleen Vig wrote: +> Version 0.12.2 - I know this isn't the latest but I looked through the +> changelogs and couldn't find any references to this being fixed. +> +> This is related to issues that many apps have, and is described in more detail here: +> http://oss.sgi.com/archives/xfs/2010-07/msg00163.html +> and: +> https://bugs.launchpad.net/percona-xtrabackup/+bug/606981 +> +> When using both direct io and buffered io on the same file, you can cause corruption on the filesystem and other issues. +> XFS out right hangs, but the problem exists on ext3 and other filesystems which silently carry on. +> +> **this is a data corruption issue**. +> +> This is the full stack trace we got from a recent hang: + +I only see qemu-kvm in the backtrace. QEMU normally only access the +image file either with or without O_DIRECT - not both at the same time. +Were you running another program that accesses the image file at the +same time? + +Stefan + + +Nothing else at all accesses those files, which is one of the things that concerned me the most :-/ +It looks like it call came from the same place. + +On Thu, Feb 23, 2012 at 9:39 PM, Avleen Vig <email address hidden> wrote: +> Nothing else at all accesses those files, which is one of the things that concerned me the most :-/ +> It looks like it call came from the same place. + +It's possible to check the file descriptor flags using +/proc/$PID/fdinfo/$FD. So for example, you could find the qemu-kvm +process and list its open file descriptors using ls -l /proc/$(pgrep +qemu-kvm)/fd. Find the file descriptor to the image file and look up +its flags in /proc/$PID/fdinfo/$FD. + +If the file descriptor has bit 040000 set then it is O_DIRECT. If +not, it uses buffered I/O. + +Using this technique you could determine whether or not your system is +accessing the file using both direct and buffered I/O. It would also +tell you which processes are doing this. + +Stefan + + +Excellent. I will do this the next time I see this happen. It probably +won't be long. +On Feb 24, 2012 12:45 AM, "Stefan Hajnoczi" <email address hidden> +wrote: + +> On Thu, Feb 23, 2012 at 9:39 PM, Avleen Vig <email address hidden> +> wrote: +> > Nothing else at all accesses those files, which is one of the things +> that concerned me the most :-/ +> > It looks like it call came from the same place. +> +> It's possible to check the file descriptor flags using +> /proc/$PID/fdinfo/$FD. So for example, you could find the qemu-kvm +> process and list its open file descriptors using ls -l /proc/$(pgrep +> qemu-kvm)/fd. Find the file descriptor to the image file and look up +> its flags in /proc/$PID/fdinfo/$FD. +> +> If the file descriptor has bit 040000 set then it is O_DIRECT. If +> not, it uses buffered I/O. +> +> Using this technique you could determine whether or not your system is +> accessing the file using both direct and buffered I/O. It would also +> tell you which processes are doing this. +> +> Stefan +> +> -- +> You received this bug notification because you are subscribed to the bug +> report. +> https://bugs.launchpad.net/bugs/939027 +> +> Title: +> Combining direct_io and non-direct_io leads to hang +> +> Status in QEMU: +> New +> +> Bug description: +> Version 0.12.2 - I know this isn't the latest but I looked through the +> changelogs and couldn't find any references to this being fixed. +> +> This is related to issues that many apps have, and is described in more +> detail here: +> http://oss.sgi.com/archives/xfs/2010-07/msg00163.html +> and: +> https://bugs.launchpad.net/percona-xtrabackup/+bug/606981 +> +> When using both direct io and buffered io on the same file, you can cause +> corruption on the filesystem and other issues. +> XFS out right hangs, but the problem exists on ext3 and other filesystems +> which silently carry on. +> +> **this is a data corruption issue**. +> +> This is the full stack trace we got from a recent hang: +> +> Feb 22 19:55:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more +> than 120 seconds. +> Feb 22 19:55:14 virt11 kernel: "echo 0 > +> /proc/sys/kernel/hung_task_timeout_secs" disables this message. +> Feb 22 19:55:14 virt11 kernel: qemu-kvm D 0000000000000002 0 +> 18360 1 0x00000080 +> Feb 22 19:55:14 virt11 kernel: ffff8808614457e8 0000000000000086 +> ffff8800282d5f80 ffff8800282d5f80 +> Feb 22 19:55:14 virt11 kernel: ffff880861445768 ffffffff810573ce +> ffff880861445768 0000000000000086 +> Feb 22 19:55:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 +> 000000000000f598 ffff8808f15bba78 +> Feb 22 19:55:14 virt11 kernel: Call Trace: +> Feb 22 19:55:14 virt11 kernel: [<ffffffff810573ce>] ? +> activate_task+0x2e/0x40 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff814dd755>] +> rwsem_down_failed_common+0x95/0x1d0 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff814dd8b3>] +> rwsem_down_write_failed+0x23/0x30 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff8126e573>] +> call_rwsem_down_write_failed+0x13/0x20 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +> Feb 22 19:55:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 +> [xfs] +> Feb 22 19:55:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 +> [xfs] +> Feb 22 19:55:14 virt11 kernel: [<ffffffffa0354116>] +> __xfs_get_blocks+0x86/0x200 [xfs] +> Feb 22 19:55:14 virt11 kernel: [<ffffffffa03542aa>] +> xfs_get_blocks_direct+0x1a/0x20 [xfs] +> Feb 22 19:55:14 virt11 kernel: [<ffffffff811ac132>] +> __blockdev_direct_IO+0x872/0xc40 +> Feb 22 19:55:14 virt11 kernel: [<ffffffffa0353f50>] +> xfs_vm_direct_IO+0xb0/0xf0 [xfs] +> Feb 22 19:55:14 virt11 kernel: [<ffffffffa0354290>] ? +> xfs_get_blocks_direct+0x0/0x20 [xfs] +> Feb 22 19:55:14 virt11 kernel: [<ffffffffa0353cc0>] ? +> xfs_end_io_direct+0x0/0xe0 [xfs] +> Feb 22 19:55:14 virt11 kernel: [<ffffffff8106dd57>] ? +> current_fs_time+0x27/0x30 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff8110df22>] +> generic_file_direct_write+0xc2/0x190 +> Feb 22 19:55:14 virt11 kernel: [<ffffffffa034bfcf>] ? +> xfs_trans_unlocked_item+0x4f/0x60 [xfs] +> Feb 22 19:55:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 +> [xfs] +> Feb 22 19:55:14 virt11 kernel: [<ffffffff8105dc72>] ? +> default_wake_function+0x12/0x20 +> Feb 22 19:55:14 virt11 kernel: [<ffffffffa03599a1>] +> xfs_file_aio_write+0x61/0x70 [xfs] +> Feb 22 19:55:14 virt11 kernel: [<ffffffff8117241a>] +> do_sync_write+0xfa/0x140 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff8107fbc2>] ? +> send_signal+0x42/0x80 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff8108e160>] ? +> autoremove_wake_function+0x0/0x40 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff8107ff96>] ? +> group_send_sig_info+0x56/0x70 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff81211d3b>] ? +> selinux_file_permission+0xfb/0x150 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff812051a6>] ? +> security_file_permission+0x16/0x20 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff810d1b62>] ? +> audit_syscall_entry+0x272/0x2a0 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +> Feb 22 19:55:14 virt11 kernel: [<ffffffff8100b172>] +> system_call_fastpath+0x16/0x1b +> Feb 22 19:57:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more +> than 120 seconds. +> Feb 22 19:57:14 virt11 kernel: "echo 0 > +> /proc/sys/kernel/hung_task_timeout_secs" disables this message. +> Feb 22 19:57:14 virt11 kernel: qemu-kvm D 0000000000000002 0 +> 18360 1 0x00000080 +> Feb 22 19:57:14 virt11 kernel: ffff8808614457e8 0000000000000086 +> ffff8800282d5f80 ffff8800282d5f80 +> Feb 22 19:57:14 virt11 kernel: ffff880861445768 ffffffff810573ce +> ffff880861445768 0000000000000086 +> Feb 22 19:57:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 +> 000000000000f598 ffff8808f15bba78 +> Feb 22 19:57:14 virt11 kernel: Call Trace: +> Feb 22 19:57:14 virt11 kernel: [<ffffffff810573ce>] ? +> activate_task+0x2e/0x40 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff814dd755>] +> rwsem_down_failed_common+0x95/0x1d0 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff814dd8b3>] +> rwsem_down_write_failed+0x23/0x30 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff8126e573>] +> call_rwsem_down_write_failed+0x13/0x20 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +> Feb 22 19:57:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 +> [xfs] +> Feb 22 19:57:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 +> [xfs] +> Feb 22 19:57:14 virt11 kernel: [<ffffffffa0354116>] +> __xfs_get_blocks+0x86/0x200 [xfs] +> Feb 22 19:57:14 virt11 kernel: [<ffffffffa03542aa>] +> xfs_get_blocks_direct+0x1a/0x20 [xfs] +> Feb 22 19:57:14 virt11 kernel: [<ffffffff811ac132>] +> __blockdev_direct_IO+0x872/0xc40 +> Feb 22 19:57:14 virt11 kernel: [<ffffffffa0353f50>] +> xfs_vm_direct_IO+0xb0/0xf0 [xfs] +> Feb 22 19:57:14 virt11 kernel: [<ffffffffa0354290>] ? +> xfs_get_blocks_direct+0x0/0x20 [xfs] +> Feb 22 19:57:14 virt11 kernel: [<ffffffffa0353cc0>] ? +> xfs_end_io_direct+0x0/0xe0 [xfs] +> Feb 22 19:57:14 virt11 kernel: [<ffffffff8106dd57>] ? +> current_fs_time+0x27/0x30 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff8110df22>] +> generic_file_direct_write+0xc2/0x190 +> Feb 22 19:57:14 virt11 kernel: [<ffffffffa034bfcf>] ? +> xfs_trans_unlocked_item+0x4f/0x60 [xfs] +> Feb 22 19:57:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 +> [xfs] +> Feb 22 19:57:14 virt11 kernel: [<ffffffff8105dc72>] ? +> default_wake_function+0x12/0x20 +> Feb 22 19:57:14 virt11 kernel: [<ffffffffa03599a1>] +> xfs_file_aio_write+0x61/0x70 [xfs] +> Feb 22 19:57:14 virt11 kernel: [<ffffffff8117241a>] +> do_sync_write+0xfa/0x140 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff8107fbc2>] ? +> send_signal+0x42/0x80 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff8108e160>] ? +> autoremove_wake_function+0x0/0x40 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff8107ff96>] ? +> group_send_sig_info+0x56/0x70 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff81211d3b>] ? +> selinux_file_permission+0xfb/0x150 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff812051a6>] ? +> security_file_permission+0x16/0x20 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff810d1b62>] ? +> audit_syscall_entry+0x272/0x2a0 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +> Feb 22 19:57:14 virt11 kernel: [<ffffffff8100b172>] +> system_call_fastpath+0x16/0x1b +> Feb 22 19:59:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more +> than 120 seconds. +> Feb 22 19:59:14 virt11 kernel: "echo 0 > +> /proc/sys/kernel/hung_task_timeout_secs" disables this message. +> Feb 22 19:59:14 virt11 kernel: qemu-kvm D 0000000000000002 0 +> 18360 1 0x00000080 +> Feb 22 19:59:14 virt11 kernel: ffff8808614457e8 0000000000000086 +> ffff8800282d5f80 ffff8800282d5f80 +> Feb 22 19:59:14 virt11 kernel: ffff880861445768 ffffffff810573ce +> ffff880861445768 0000000000000086 +> Feb 22 19:59:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 +> 000000000000f598 ffff8808f15bba78 +> Feb 22 19:59:14 virt11 kernel: Call Trace: +> Feb 22 19:59:14 virt11 kernel: [<ffffffff810573ce>] ? +> activate_task+0x2e/0x40 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff814dd755>] +> rwsem_down_failed_common+0x95/0x1d0 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff814dd8b3>] +> rwsem_down_write_failed+0x23/0x30 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff8126e573>] +> call_rwsem_down_write_failed+0x13/0x20 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +> Feb 22 19:59:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 +> [xfs] +> Feb 22 19:59:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 +> [xfs] +> Feb 22 19:59:14 virt11 kernel: [<ffffffffa0354116>] +> __xfs_get_blocks+0x86/0x200 [xfs] +> Feb 22 19:59:14 virt11 kernel: [<ffffffffa03542aa>] +> xfs_get_blocks_direct+0x1a/0x20 [xfs] +> Feb 22 19:59:14 virt11 kernel: [<ffffffff811ac132>] +> __blockdev_direct_IO+0x872/0xc40 +> Feb 22 19:59:14 virt11 kernel: [<ffffffffa0353f50>] +> xfs_vm_direct_IO+0xb0/0xf0 [xfs] +> Feb 22 19:59:14 virt11 kernel: [<ffffffffa0354290>] ? +> xfs_get_blocks_direct+0x0/0x20 [xfs] +> Feb 22 19:59:14 virt11 kernel: [<ffffffffa0353cc0>] ? +> xfs_end_io_direct+0x0/0xe0 [xfs] +> Feb 22 19:59:14 virt11 kernel: [<ffffffff8106dd57>] ? +> current_fs_time+0x27/0x30 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff8110df22>] +> generic_file_direct_write+0xc2/0x190 +> Feb 22 19:59:14 virt11 kernel: [<ffffffffa034bfcf>] ? +> xfs_trans_unlocked_item+0x4f/0x60 [xfs] +> Feb 22 19:59:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 +> [xfs] +> Feb 22 19:59:14 virt11 kernel: [<ffffffff8105dc72>] ? +> default_wake_function+0x12/0x20 +> Feb 22 19:59:14 virt11 kernel: [<ffffffffa03599a1>] +> xfs_file_aio_write+0x61/0x70 [xfs] +> Feb 22 19:59:14 virt11 kernel: [<ffffffff8117241a>] +> do_sync_write+0xfa/0x140 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff8107fbc2>] ? +> send_signal+0x42/0x80 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff8108e160>] ? +> autoremove_wake_function+0x0/0x40 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff8107ff96>] ? +> group_send_sig_info+0x56/0x70 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff81211d3b>] ? +> selinux_file_permission+0xfb/0x150 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff812051a6>] ? +> security_file_permission+0x16/0x20 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff810d1b62>] ? +> audit_syscall_entry+0x272/0x2a0 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +> Feb 22 19:59:14 virt11 kernel: [<ffffffff8100b172>] +> system_call_fastpath+0x16/0x1b +> Feb 22 20:01:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more +> than 120 seconds. +> Feb 22 20:01:14 virt11 kernel: "echo 0 > +> /proc/sys/kernel/hung_task_timeout_secs" disables this message. +> Feb 22 20:01:14 virt11 kernel: qemu-kvm D 0000000000000002 0 +> 18360 1 0x00000080 +> Feb 22 20:01:14 virt11 kernel: ffff8808614457e8 0000000000000086 +> ffff8800282d5f80 ffff8800282d5f80 +> Feb 22 20:01:14 virt11 kernel: ffff880861445768 ffffffff810573ce +> ffff880861445768 0000000000000086 +> Feb 22 20:01:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 +> 000000000000f598 ffff8808f15bba78 +> Feb 22 20:01:14 virt11 kernel: Call Trace: +> Feb 22 20:01:14 virt11 kernel: [<ffffffff810573ce>] ? +> activate_task+0x2e/0x40 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff814dd755>] +> rwsem_down_failed_common+0x95/0x1d0 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff814dd8b3>] +> rwsem_down_write_failed+0x23/0x30 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff8126e573>] +> call_rwsem_down_write_failed+0x13/0x20 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +> Feb 22 20:01:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 +> [xfs] +> Feb 22 20:01:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 +> [xfs] +> Feb 22 20:01:14 virt11 kernel: [<ffffffffa0354116>] +> __xfs_get_blocks+0x86/0x200 [xfs] +> Feb 22 20:01:14 virt11 kernel: [<ffffffffa03542aa>] +> xfs_get_blocks_direct+0x1a/0x20 [xfs] +> Feb 22 20:01:14 virt11 kernel: [<ffffffff811ac132>] +> __blockdev_direct_IO+0x872/0xc40 +> Feb 22 20:01:14 virt11 kernel: [<ffffffffa0353f50>] +> xfs_vm_direct_IO+0xb0/0xf0 [xfs] +> Feb 22 20:01:14 virt11 kernel: [<ffffffffa0354290>] ? +> xfs_get_blocks_direct+0x0/0x20 [xfs] +> Feb 22 20:01:14 virt11 kernel: [<ffffffffa0353cc0>] ? +> xfs_end_io_direct+0x0/0xe0 [xfs] +> Feb 22 20:01:14 virt11 kernel: [<ffffffff8106dd57>] ? +> current_fs_time+0x27/0x30 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff8110df22>] +> generic_file_direct_write+0xc2/0x190 +> Feb 22 20:01:14 virt11 kernel: [<ffffffffa034bfcf>] ? +> xfs_trans_unlocked_item+0x4f/0x60 [xfs] +> Feb 22 20:01:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 +> [xfs] +> Feb 22 20:01:14 virt11 kernel: [<ffffffff8105dc72>] ? +> default_wake_function+0x12/0x20 +> Feb 22 20:01:14 virt11 kernel: [<ffffffffa03599a1>] +> xfs_file_aio_write+0x61/0x70 [xfs] +> Feb 22 20:01:14 virt11 kernel: [<ffffffff8117241a>] +> do_sync_write+0xfa/0x140 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff8107fbc2>] ? +> send_signal+0x42/0x80 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff8108e160>] ? +> autoremove_wake_function+0x0/0x40 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff8107ff96>] ? +> group_send_sig_info+0x56/0x70 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff81211d3b>] ? +> selinux_file_permission+0xfb/0x150 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff812051a6>] ? +> security_file_permission+0x16/0x20 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff810d1b62>] ? +> audit_syscall_entry+0x272/0x2a0 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +> Feb 22 20:01:14 virt11 kernel: [<ffffffff8100b172>] +> system_call_fastpath+0x16/0x1b +> Feb 22 20:03:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more +> than 120 seconds. +> Feb 22 20:03:14 virt11 kernel: "echo 0 > +> /proc/sys/kernel/hung_task_timeout_secs" disables this message. +> Feb 22 20:03:14 virt11 kernel: qemu-kvm D 0000000000000002 0 +> 18360 1 0x00000080 +> Feb 22 20:03:14 virt11 kernel: ffff8808614457e8 0000000000000086 +> ffff8800282d5f80 ffff8800282d5f80 +> Feb 22 20:03:14 virt11 kernel: ffff880861445768 ffffffff810573ce +> ffff880861445768 0000000000000086 +> Feb 22 20:03:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 +> 000000000000f598 ffff8808f15bba78 +> Feb 22 20:03:14 virt11 kernel: Call Trace: +> Feb 22 20:03:14 virt11 kernel: [<ffffffff810573ce>] ? +> activate_task+0x2e/0x40 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff814dd755>] +> rwsem_down_failed_common+0x95/0x1d0 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff814dd8b3>] +> rwsem_down_write_failed+0x23/0x30 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff8126e573>] +> call_rwsem_down_write_failed+0x13/0x20 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +> Feb 22 20:03:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 +> [xfs] +> Feb 22 20:03:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 +> [xfs] +> Feb 22 20:03:14 virt11 kernel: [<ffffffffa0354116>] +> __xfs_get_blocks+0x86/0x200 [xfs] +> Feb 22 20:03:14 virt11 kernel: [<ffffffffa03542aa>] +> xfs_get_blocks_direct+0x1a/0x20 [xfs] +> Feb 22 20:03:14 virt11 kernel: [<ffffffff811ac132>] +> __blockdev_direct_IO+0x872/0xc40 +> Feb 22 20:03:14 virt11 kernel: [<ffffffffa0353f50>] +> xfs_vm_direct_IO+0xb0/0xf0 [xfs] +> Feb 22 20:03:14 virt11 kernel: [<ffffffffa0354290>] ? +> xfs_get_blocks_direct+0x0/0x20 [xfs] +> Feb 22 20:03:14 virt11 kernel: [<ffffffffa0353cc0>] ? +> xfs_end_io_direct+0x0/0xe0 [xfs] +> Feb 22 20:03:14 virt11 kernel: [<ffffffff8106dd57>] ? +> current_fs_time+0x27/0x30 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff8110df22>] +> generic_file_direct_write+0xc2/0x190 +> Feb 22 20:03:14 virt11 kernel: [<ffffffffa034bfcf>] ? +> xfs_trans_unlocked_item+0x4f/0x60 [xfs] +> Feb 22 20:03:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 +> [xfs] +> Feb 22 20:03:14 virt11 kernel: [<ffffffff8105dc72>] ? +> default_wake_function+0x12/0x20 +> Feb 22 20:03:14 virt11 kernel: [<ffffffffa03599a1>] +> xfs_file_aio_write+0x61/0x70 [xfs] +> Feb 22 20:03:14 virt11 kernel: [<ffffffff8117241a>] +> do_sync_write+0xfa/0x140 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff8107fbc2>] ? +> send_signal+0x42/0x80 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff8108e160>] ? +> autoremove_wake_function+0x0/0x40 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff8107ff96>] ? +> group_send_sig_info+0x56/0x70 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff81211d3b>] ? +> selinux_file_permission+0xfb/0x150 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff812051a6>] ? +> security_file_permission+0x16/0x20 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff810d1b62>] ? +> audit_syscall_entry+0x272/0x2a0 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +> Feb 22 20:03:14 virt11 kernel: [<ffffffff8100b172>] +> system_call_fastpath+0x16/0x1b +> Feb 22 20:05:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more +> than 120 seconds. +> Feb 22 20:05:14 virt11 kernel: "echo 0 > +> /proc/sys/kernel/hung_task_timeout_secs" disables this message. +> Feb 22 20:05:14 virt11 kernel: qemu-kvm D 0000000000000002 0 +> 18360 1 0x00000080 +> Feb 22 20:05:14 virt11 kernel: ffff8808614457e8 0000000000000086 +> ffff8800282d5f80 ffff8800282d5f80 +> Feb 22 20:05:14 virt11 kernel: ffff880861445768 ffffffff810573ce +> ffff880861445768 0000000000000086 +> Feb 22 20:05:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 +> 000000000000f598 ffff8808f15bba78 +> Feb 22 20:05:14 virt11 kernel: Call Trace: +> Feb 22 20:05:14 virt11 kernel: [<ffffffff810573ce>] ? +> activate_task+0x2e/0x40 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff814dd755>] +> rwsem_down_failed_common+0x95/0x1d0 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff814dd8b3>] +> rwsem_down_write_failed+0x23/0x30 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff8126e573>] +> call_rwsem_down_write_failed+0x13/0x20 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +> Feb 22 20:05:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 +> [xfs] +> Feb 22 20:05:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 +> [xfs] +> Feb 22 20:05:14 virt11 kernel: [<ffffffffa0354116>] +> __xfs_get_blocks+0x86/0x200 [xfs] +> Feb 22 20:05:14 virt11 kernel: [<ffffffffa03542aa>] +> xfs_get_blocks_direct+0x1a/0x20 [xfs] +> Feb 22 20:05:14 virt11 kernel: [<ffffffff811ac132>] +> __blockdev_direct_IO+0x872/0xc40 +> Feb 22 20:05:14 virt11 kernel: [<ffffffffa0353f50>] +> xfs_vm_direct_IO+0xb0/0xf0 [xfs] +> Feb 22 20:05:14 virt11 kernel: [<ffffffffa0354290>] ? +> xfs_get_blocks_direct+0x0/0x20 [xfs] +> Feb 22 20:05:14 virt11 kernel: [<ffffffffa0353cc0>] ? +> xfs_end_io_direct+0x0/0xe0 [xfs] +> Feb 22 20:05:14 virt11 kernel: [<ffffffff8106dd57>] ? +> current_fs_time+0x27/0x30 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff8110df22>] +> generic_file_direct_write+0xc2/0x190 +> Feb 22 20:05:14 virt11 kernel: [<ffffffffa034bfcf>] ? +> xfs_trans_unlocked_item+0x4f/0x60 [xfs] +> Feb 22 20:05:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 +> [xfs] +> Feb 22 20:05:14 virt11 kernel: [<ffffffff8105dc72>] ? +> default_wake_function+0x12/0x20 +> Feb 22 20:05:14 virt11 kernel: [<ffffffffa03599a1>] +> xfs_file_aio_write+0x61/0x70 [xfs] +> Feb 22 20:05:14 virt11 kernel: [<ffffffff8117241a>] +> do_sync_write+0xfa/0x140 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff8107fbc2>] ? +> send_signal+0x42/0x80 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff8108e160>] ? +> autoremove_wake_function+0x0/0x40 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff8107ff96>] ? +> group_send_sig_info+0x56/0x70 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff81211d3b>] ? +> selinux_file_permission+0xfb/0x150 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff812051a6>] ? +> security_file_permission+0x16/0x20 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff810d1b62>] ? +> audit_syscall_entry+0x272/0x2a0 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +> Feb 22 20:05:14 virt11 kernel: [<ffffffff8100b172>] +> system_call_fastpath+0x16/0x1b +> Feb 22 20:07:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more +> than 120 seconds. +> Feb 22 20:07:14 virt11 kernel: "echo 0 > +> /proc/sys/kernel/hung_task_timeout_secs" disables this message. +> Feb 22 20:07:14 virt11 kernel: qemu-kvm D 0000000000000002 0 +> 18360 1 0x00000080 +> Feb 22 20:07:14 virt11 kernel: ffff8808614457e8 0000000000000086 +> ffff8800282d5f80 ffff8800282d5f80 +> Feb 22 20:07:14 virt11 kernel: ffff880861445768 ffffffff810573ce +> ffff880861445768 0000000000000086 +> Feb 22 20:07:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 +> 000000000000f598 ffff8808f15bba78 +> Feb 22 20:07:14 virt11 kernel: Call Trace: +> Feb 22 20:07:14 virt11 kernel: [<ffffffff810573ce>] ? +> activate_task+0x2e/0x40 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff814dd755>] +> rwsem_down_failed_common+0x95/0x1d0 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff814dd8b3>] +> rwsem_down_write_failed+0x23/0x30 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff8126e573>] +> call_rwsem_down_write_failed+0x13/0x20 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +> Feb 22 20:07:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 +> [xfs] +> Feb 22 20:07:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 +> [xfs] +> Feb 22 20:07:14 virt11 kernel: [<ffffffffa0354116>] +> __xfs_get_blocks+0x86/0x200 [xfs] +> Feb 22 20:07:14 virt11 kernel: [<ffffffffa03542aa>] +> xfs_get_blocks_direct+0x1a/0x20 [xfs] +> Feb 22 20:07:14 virt11 kernel: [<ffffffff811ac132>] +> __blockdev_direct_IO+0x872/0xc40 +> Feb 22 20:07:14 virt11 kernel: [<ffffffffa0353f50>] +> xfs_vm_direct_IO+0xb0/0xf0 [xfs] +> Feb 22 20:07:14 virt11 kernel: [<ffffffffa0354290>] ? +> xfs_get_blocks_direct+0x0/0x20 [xfs] +> Feb 22 20:07:14 virt11 kernel: [<ffffffffa0353cc0>] ? +> xfs_end_io_direct+0x0/0xe0 [xfs] +> Feb 22 20:07:14 virt11 kernel: [<ffffffff8106dd57>] ? +> current_fs_time+0x27/0x30 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff8110df22>] +> generic_file_direct_write+0xc2/0x190 +> Feb 22 20:07:14 virt11 kernel: [<ffffffffa034bfcf>] ? +> xfs_trans_unlocked_item+0x4f/0x60 [xfs] +> Feb 22 20:07:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 +> [xfs] +> Feb 22 20:07:14 virt11 kernel: [<ffffffff8105dc72>] ? +> default_wake_function+0x12/0x20 +> Feb 22 20:07:14 virt11 kernel: [<ffffffffa03599a1>] +> xfs_file_aio_write+0x61/0x70 [xfs] +> Feb 22 20:07:14 virt11 kernel: [<ffffffff8117241a>] +> do_sync_write+0xfa/0x140 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff8107fbc2>] ? +> send_signal+0x42/0x80 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff8108e160>] ? +> autoremove_wake_function+0x0/0x40 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff8107ff96>] ? +> group_send_sig_info+0x56/0x70 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff81211d3b>] ? +> selinux_file_permission+0xfb/0x150 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff812051a6>] ? +> security_file_permission+0x16/0x20 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff810d1b62>] ? +> audit_syscall_entry+0x272/0x2a0 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +> Feb 22 20:07:14 virt11 kernel: [<ffffffff8100b172>] +> system_call_fastpath+0x16/0x1b +> Feb 22 20:09:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more +> than 120 seconds. +> Feb 22 20:09:14 virt11 kernel: "echo 0 > +> /proc/sys/kernel/hung_task_timeout_secs" disables this message. +> Feb 22 20:09:14 virt11 kernel: qemu-kvm D 0000000000000002 0 +> 18360 1 0x00000080 +> Feb 22 20:09:14 virt11 kernel: ffff8808614457e8 0000000000000086 +> ffff8800282d5f80 ffff8800282d5f80 +> Feb 22 20:09:14 virt11 kernel: ffff880861445768 ffffffff810573ce +> ffff880861445768 0000000000000086 +> Feb 22 20:09:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 +> 000000000000f598 ffff8808f15bba78 +> Feb 22 20:09:14 virt11 kernel: Call Trace: +> Feb 22 20:09:14 virt11 kernel: [<ffffffff810573ce>] ? +> activate_task+0x2e/0x40 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff814dd755>] +> rwsem_down_failed_common+0x95/0x1d0 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff814dd8b3>] +> rwsem_down_write_failed+0x23/0x30 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff8126e573>] +> call_rwsem_down_write_failed+0x13/0x20 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +> Feb 22 20:09:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 +> [xfs] +> Feb 22 20:09:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 +> [xfs] +> Feb 22 20:09:14 virt11 kernel: [<ffffffffa0354116>] +> __xfs_get_blocks+0x86/0x200 [xfs] +> Feb 22 20:09:14 virt11 kernel: [<ffffffffa03542aa>] +> xfs_get_blocks_direct+0x1a/0x20 [xfs] +> Feb 22 20:09:14 virt11 kernel: [<ffffffff811ac132>] +> __blockdev_direct_IO+0x872/0xc40 +> Feb 22 20:09:14 virt11 kernel: [<ffffffffa0353f50>] +> xfs_vm_direct_IO+0xb0/0xf0 [xfs] +> Feb 22 20:09:14 virt11 kernel: [<ffffffffa0354290>] ? +> xfs_get_blocks_direct+0x0/0x20 [xfs] +> Feb 22 20:09:14 virt11 kernel: [<ffffffffa0353cc0>] ? +> xfs_end_io_direct+0x0/0xe0 [xfs] +> Feb 22 20:09:14 virt11 kernel: [<ffffffff8106dd57>] ? +> current_fs_time+0x27/0x30 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff8110df22>] +> generic_file_direct_write+0xc2/0x190 +> Feb 22 20:09:14 virt11 kernel: [<ffffffffa034bfcf>] ? +> xfs_trans_unlocked_item+0x4f/0x60 [xfs] +> Feb 22 20:09:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 +> [xfs] +> Feb 22 20:09:14 virt11 kernel: [<ffffffff8105dc72>] ? +> default_wake_function+0x12/0x20 +> Feb 22 20:09:14 virt11 kernel: [<ffffffffa03599a1>] +> xfs_file_aio_write+0x61/0x70 [xfs] +> Feb 22 20:09:14 virt11 kernel: [<ffffffff8117241a>] +> do_sync_write+0xfa/0x140 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff8107fbc2>] ? +> send_signal+0x42/0x80 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff8108e160>] ? +> autoremove_wake_function+0x0/0x40 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff8107ff96>] ? +> group_send_sig_info+0x56/0x70 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff81211d3b>] ? +> selinux_file_permission+0xfb/0x150 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff812051a6>] ? +> security_file_permission+0x16/0x20 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff810d1b62>] ? +> audit_syscall_entry+0x272/0x2a0 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +> Feb 22 20:09:14 virt11 kernel: [<ffffffff8100b172>] +> system_call_fastpath+0x16/0x1b +> Feb 22 20:11:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more +> than 120 seconds. +> Feb 22 20:11:14 virt11 kernel: "echo 0 > +> /proc/sys/kernel/hung_task_timeout_secs" disables this message. +> Feb 22 20:11:14 virt11 kernel: qemu-kvm D 0000000000000002 0 +> 18360 1 0x00000080 +> Feb 22 20:11:14 virt11 kernel: ffff8808614457e8 0000000000000086 +> ffff8800282d5f80 ffff8800282d5f80 +> Feb 22 20:11:14 virt11 kernel: ffff880861445768 ffffffff810573ce +> ffff880861445768 0000000000000086 +> Feb 22 20:11:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 +> 000000000000f598 ffff8808f15bba78 +> Feb 22 20:11:14 virt11 kernel: Call Trace: +> Feb 22 20:11:14 virt11 kernel: [<ffffffff810573ce>] ? +> activate_task+0x2e/0x40 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff814dd755>] +> rwsem_down_failed_common+0x95/0x1d0 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff814dd8b3>] +> rwsem_down_write_failed+0x23/0x30 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff8126e573>] +> call_rwsem_down_write_failed+0x13/0x20 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +> Feb 22 20:11:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 +> [xfs] +> Feb 22 20:11:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 +> [xfs] +> Feb 22 20:11:14 virt11 kernel: [<ffffffffa0354116>] +> __xfs_get_blocks+0x86/0x200 [xfs] +> Feb 22 20:11:14 virt11 kernel: [<ffffffffa03542aa>] +> xfs_get_blocks_direct+0x1a/0x20 [xfs] +> Feb 22 20:11:14 virt11 kernel: [<ffffffff811ac132>] +> __blockdev_direct_IO+0x872/0xc40 +> Feb 22 20:11:14 virt11 kernel: [<ffffffffa0353f50>] +> xfs_vm_direct_IO+0xb0/0xf0 [xfs] +> Feb 22 20:11:14 virt11 kernel: [<ffffffffa0354290>] ? +> xfs_get_blocks_direct+0x0/0x20 [xfs] +> Feb 22 20:11:14 virt11 kernel: [<ffffffffa0353cc0>] ? +> xfs_end_io_direct+0x0/0xe0 [xfs] +> Feb 22 20:11:14 virt11 kernel: [<ffffffff8106dd57>] ? +> current_fs_time+0x27/0x30 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff8110df22>] +> generic_file_direct_write+0xc2/0x190 +> Feb 22 20:11:14 virt11 kernel: [<ffffffffa034bfcf>] ? +> xfs_trans_unlocked_item+0x4f/0x60 [xfs] +> Feb 22 20:11:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 +> [xfs] +> Feb 22 20:11:14 virt11 kernel: [<ffffffff8105dc72>] ? +> default_wake_function+0x12/0x20 +> Feb 22 20:11:14 virt11 kernel: [<ffffffffa03599a1>] +> xfs_file_aio_write+0x61/0x70 [xfs] +> Feb 22 20:11:14 virt11 kernel: [<ffffffff8117241a>] +> do_sync_write+0xfa/0x140 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff8107fbc2>] ? +> send_signal+0x42/0x80 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff8108e160>] ? +> autoremove_wake_function+0x0/0x40 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff8107ff96>] ? +> group_send_sig_info+0x56/0x70 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff81211d3b>] ? +> selinux_file_permission+0xfb/0x150 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff812051a6>] ? +> security_file_permission+0x16/0x20 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff810d1b62>] ? +> audit_syscall_entry+0x272/0x2a0 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +> Feb 22 20:11:14 virt11 kernel: [<ffffffff8100b172>] +> system_call_fastpath+0x16/0x1b +> Feb 22 20:13:14 virt11 kernel: INFO: task qemu-kvm:18360 blocked for more +> than 120 seconds. +> Feb 22 20:13:14 virt11 kernel: "echo 0 > +> /proc/sys/kernel/hung_task_timeout_secs" disables this message. +> Feb 22 20:13:14 virt11 kernel: qemu-kvm D 0000000000000002 0 +> 18360 1 0x00000080 +> Feb 22 20:13:14 virt11 kernel: ffff8808614457e8 0000000000000086 +> ffff8800282d5f80 ffff8800282d5f80 +> Feb 22 20:13:14 virt11 kernel: ffff880861445768 ffffffff810573ce +> ffff880861445768 0000000000000086 +> Feb 22 20:13:14 virt11 kernel: ffff8808f15bba78 ffff880861445fd8 +> 000000000000f598 ffff8808f15bba78 +> Feb 22 20:13:14 virt11 kernel: Call Trace: +> Feb 22 20:13:14 virt11 kernel: [<ffffffff810573ce>] ? +> activate_task+0x2e/0x40 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff814dd755>] +> rwsem_down_failed_common+0x95/0x1d0 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff814dd8b3>] +> rwsem_down_write_failed+0x23/0x30 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff8126e573>] +> call_rwsem_down_write_failed+0x13/0x20 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff814dcdb2>] ? down_write+0x32/0x40 +> Feb 22 20:13:14 virt11 kernel: [<ffffffffa0332d6e>] xfs_ilock+0x7e/0xd0 +> [xfs] +> Feb 22 20:13:14 virt11 kernel: [<ffffffffa033ab02>] xfs_iomap+0x2e2/0x440 +> [xfs] +> Feb 22 20:13:14 virt11 kernel: [<ffffffffa0354116>] +> __xfs_get_blocks+0x86/0x200 [xfs] +> Feb 22 20:13:14 virt11 kernel: [<ffffffffa03542aa>] +> xfs_get_blocks_direct+0x1a/0x20 [xfs] +> Feb 22 20:13:14 virt11 kernel: [<ffffffff811ac132>] +> __blockdev_direct_IO+0x872/0xc40 +> Feb 22 20:13:14 virt11 kernel: [<ffffffffa0353f50>] +> xfs_vm_direct_IO+0xb0/0xf0 [xfs] +> Feb 22 20:13:14 virt11 kernel: [<ffffffffa0354290>] ? +> xfs_get_blocks_direct+0x0/0x20 [xfs] +> Feb 22 20:13:14 virt11 kernel: [<ffffffffa0353cc0>] ? +> xfs_end_io_direct+0x0/0xe0 [xfs] +> Feb 22 20:13:14 virt11 kernel: [<ffffffff8106dd57>] ? +> current_fs_time+0x27/0x30 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff8110df22>] +> generic_file_direct_write+0xc2/0x190 +> Feb 22 20:13:14 virt11 kernel: [<ffffffffa034bfcf>] ? +> xfs_trans_unlocked_item+0x4f/0x60 [xfs] +> Feb 22 20:13:14 virt11 kernel: [<ffffffffa035dd1d>] xfs_write+0x4fd/0xb70 +> [xfs] +> Feb 22 20:13:14 virt11 kernel: [<ffffffff8105dc72>] ? +> default_wake_function+0x12/0x20 +> Feb 22 20:13:14 virt11 kernel: [<ffffffffa03599a1>] +> xfs_file_aio_write+0x61/0x70 [xfs] +> Feb 22 20:13:14 virt11 kernel: [<ffffffff8117241a>] +> do_sync_write+0xfa/0x140 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff8107fbc2>] ? +> send_signal+0x42/0x80 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff8108e160>] ? +> autoremove_wake_function+0x0/0x40 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff8107ff96>] ? +> group_send_sig_info+0x56/0x70 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff81211d3b>] ? +> selinux_file_permission+0xfb/0x150 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff812051a6>] ? +> security_file_permission+0x16/0x20 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff81172718>] vfs_write+0xb8/0x1a0 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff810d1b62>] ? +> audit_syscall_entry+0x272/0x2a0 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff81173212>] sys_pwrite64+0x82/0xa0 +> Feb 22 20:13:14 virt11 kernel: [<ffffffff8100b172>] +> system_call_fastpath+0x16/0x1b +> +> To manage notifications about this bug go to: +> https://bugs.launchpad.net/qemu/+bug/939027/+subscriptions +> + + +Triaging old bug tickets... can you still reproduce this issue with the latest version of QEMU? Or could we close this ticket nowadays? + +Unfortunately I don't have access to a qemu instance to test this any more :) + |