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Diffstat (limited to 'results/classifier/zero-shot/108/other/584516')
| -rw-r--r-- | results/classifier/zero-shot/108/other/584516 | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/results/classifier/zero-shot/108/other/584516 b/results/classifier/zero-shot/108/other/584516 new file mode 100644 index 000000000..ff16e20cf --- /dev/null +++ b/results/classifier/zero-shot/108/other/584516 @@ -0,0 +1,71 @@ +permissions: 0.888 +files: 0.885 +debug: 0.879 +other: 0.876 +network: 0.852 +graphic: 0.843 +device: 0.840 +vnc: 0.836 +performance: 0.835 +socket: 0.831 +KVM: 0.829 +semantic: 0.794 +boot: 0.789 +PID: 0.779 + +opensuse 11.2 guest hangs after live migration with clocksource=kvm-clock + +i would like to debug a problem that I encountered some time ago with opensuse 11.2 and also +with Ubuntu (karmic/lucid). + +If I run an opensuse guest 64-bit and do not touch the clocksource settings the guest almost +everytime hangs after live migration at: + +(gdb) thread apply all bt + +Thread 2 (Thread 0x7f846782a950 (LWP 27356)): +#0 0x00007f8467d24cd7 in ioctl () from /lib/libc.so.6 +#1 0x000000000042b945 in kvm_run (env=0x2468170) + at /usr/src/qemu-kvm-0.12.4/qemu-kvm.c:921 +#2 0x000000000042cea2 in kvm_cpu_exec (env=0x2468170) + at /usr/src/qemu-kvm-0.12.4/qemu-kvm.c:1651 +#3 0x000000000042d62c in kvm_main_loop_cpu (env=0x2468170) + at /usr/src/qemu-kvm-0.12.4/qemu-kvm.c:1893 +#4 0x000000000042d76d in ap_main_loop (_env=0x2468170) + at /usr/src/qemu-kvm-0.12.4/qemu-kvm.c:1943 +#5 0x00007f8468caa3ba in start_thread () from /lib/libpthread.so.0 +#6 0x00007f8467d2cfcd in clone () from /lib/libc.so.6 +#7 0x0000000000000000 in ?? () + +Thread 1 (Thread 0x7f84692d96f0 (LWP 27353)): +#0 0x00007f8467d25742 in select () from /lib/libc.so.6 +#1 0x000000000040c25a in main_loop_wait (timeout=1000) + at /usr/src/qemu-kvm-0.12.4/vl.c:3994 +#2 0x000000000042dcf1 in kvm_main_loop () + at /usr/src/qemu-kvm-0.12.4/qemu-kvm.c:2126 +#3 0x000000000040c98c in main_loop () at /usr/src/qemu-kvm-0.12.4/vl.c:4212 +#4 0x000000000041054b in main (argc=31, argv=0x7fffa91351c8, + envp=0x7fffa91352c8) at /usr/src/qemu-kvm-0.12.4/vl.c:6252 + +If I run the same guest with kernel parameter clocksource=acpi_pm, the migration succeeds reliably. + +The hosts runs: +/kernel: /2.6.33.3, /bin: /qemu-kvm-0.12.4, /mod: /2.6.33.3 + +I invoke qemu-kvm with: +/usr/bin/qemu-kvm-0.12.4 -net none -drive file=/dev/sdb,if=ide,boot=on,cache=none,aio=native -m 1024 -cpu qemu64,model_id='Intel(R) Xeon(R) CPU E5430 @ 2.66GHz' -monitor tcp:0:4001,server,nowait -vnc :1 -name 'test' -boot order=dc,menu=on -k de -pidfile /var/run/qemu/vm-149.pid -mem-path /hugepages -mem-prealloc -rtc base=utc,clock=vm -usb -usbdevice tablet + +The Guest is: +OpenSuse 11.2 64-bit with Kernel 2.6.31.5-0.1-desktop #1 SMP PREEMPT 2009-10-26 15:49:03 +0100 x86_64 +The clocksource automatically choosen is kvm-clock. + +Feedback appreciated. I have observed the same problem with 0.12.2 and also with old binaries provided by Ubuntu Karmic (kvm-88). + +Update: + +Problem still exists with lastest GIT. Ubuntu 9.10 and 10.04 64-bit guests are also affected. + +This bug ticket is quite old already ... can you still reproduce this issue with the latest version of QEMU? + +[Expired for QEMU because there has been no activity for 60 days.] + |