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-rw-r--r--results/classifier/105/other/1333651628
1 files changed, 628 insertions, 0 deletions
diff --git a/results/classifier/105/other/1333651 b/results/classifier/105/other/1333651
new file mode 100644
index 00000000..2c0d1b6a
--- /dev/null
+++ b/results/classifier/105/other/1333651
@@ -0,0 +1,628 @@
+other: 0.868
+KVM: 0.856
+graphic: 0.797
+vnc: 0.795
+instruction: 0.783
+mistranslation: 0.776
+device: 0.739
+semantic: 0.724
+assembly: 0.709
+network: 0.694
+socket: 0.661
+boot: 0.660
+
+qemu-2.0 occasionally segfaults with Windows 2012R2
+
+This is with qemu-2.0 (KVM), linux kernel 3.10.35, using qcow2 images directly accessed via libgfapi (glusterfs-3.4.2).
+Such a segfaults happens roughly once every 2 weeks and only for VMs with high network and/or disk activity.
+
+Guest OS with which we could reproduce this was always Windows Server 2012R2 using virtio-win-0.1-75.
+
+vhost-net is active, the disks are attached as virtio-blk devices (see also XML definition from libvirt further below)
+
+Following are the backtraces for all threads:
+
+(gdb) threads
+Undefined command: "threads".  Try "help".
+(gdb) info threads
+  Id   Target Id         Frame 
+  32   Thread 0x7f5c1affd700 (LWP 16783) 0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+  31   Thread 0x7f5bfe2fc700 (LWP 19906) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  30   Thread 0x7f5c45f87880 (LWP 16769) 0x00007f5c42637ff6 in __GI_ppoll (fds=0x7f5c48bcd750, nfds=74, 
+    timeout=0x7fff92d94e60, timeout@entry=0x7fff92d94f20, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:57
+  29   Thread 0x7f5c1bfff700 (LWP 16781) 0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+  28   Thread 0x7f5c28de1700 (LWP 16780) 0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+  27   Thread 0x7f5c1a7fc700 (LWP 16784) __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
+  26   Thread 0x7f5c295e2700 (LWP 16779) __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
+  25   Thread 0x7f57b2ffd700 (LWP 18170) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  24   Thread 0x7f57c97fa700 (LWP 31326) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  23   Thread 0x7f57b3fff700 (LWP 5016) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  22   Thread 0x7f57c9ffb700 (LWP 25116) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  21   Thread 0x7f5c31f7c700 (LWP 16776) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  20   Thread 0x7f5c1b7fe700 (LWP 16782) __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
+  19   Thread 0x7f57ca7fc700 (LWP 24029) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  18   Thread 0x7f57cbfff700 (LWP 19985) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  17   Thread 0x7f57c8ff9700 (LWP 31327) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  16   Thread 0x7f5bfcefa700 (LWP 19924) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  15   Thread 0x7f5c30ee7700 (LWP 16777) 0x00007f5c426421b3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
+  14   Thread 0x7f5c3dc17700 (LWP 16772) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  13   Thread 0x7f5bfd6fb700 (LWP 19907) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  12   Thread 0x7f5c18bff700 (LWP 16788) 0x00007f5c42637ded in poll () at ../sysdeps/unix/syscall-template.S:81
+  11   Thread 0x7f5c19ffb700 (LWP 16785) 0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+  10   Thread 0x7f57caffd700 (LWP 20235) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  9    Thread 0x7f5c2bfff700 (LWP 16778) 0x00007f5c4290e43d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
+  8    Thread 0x7f5bfecfd700 (LWP 17854) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  7    Thread 0x7f5c3e418700 (LWP 16771) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  6    Thread 0x7f57b37fe700 (LWP 18169) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  5    Thread 0x7f5c3bb57700 (LWP 16774) 0x00007f5c4290e43d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
+  4    Thread 0x7f5c3c97f700 (LWP 16773) 0x00007f5c426421b3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
+  3    Thread 0x7f5c3277d700 (LWP 16775) pthread_cond_timedwait ()
+    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+  2    Thread 0x7f5c197fa700 (LWP 16786) 0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+* 1    Thread 0x7f57cb7fe700 (LWP 19986) event_notifier_set (e=0x124)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/util/event_notifier-posix.c:97
+(gdb) bt
+#0  event_notifier_set (e=0x124) at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/util/event_notifier-posix.c:97
+#1  0x00007f5c457145d1 in ?? () from /usr/lib64/libgfapi.so.0
+#2  0x00007f5c454d1d0a in synctask_wrap () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c4259d760 in ?? () from /lib64/libc.so.6
+#4  0x0000000000000000 in ?? ()
+(gdb) thread 2
+[Switching to thread 2 (Thread 0x7f5c197fa700 (LWP 16786))]
+#0  0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+81	../sysdeps/unix/syscall-template.S: No such file or directory.
+(gdb) bt
+#0  0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+#1  0x00007f5c4627b5e9 in kvm_vcpu_ioctl (cpu=cpu@entry=0x7f5c48b8ccd0, type=type@entry=44672)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1790
+#2  0x00007f5c4627b725 in kvm_cpu_exec (cpu=cpu@entry=0x7f5c48b8ccd0)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1675
+#3  0x00007f5c4622095c in qemu_kvm_cpu_thread_fn (arg=0x7f5c48b8ccd0)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:873
+#4  0x00007f5c42906fda in start_thread (arg=0x7f5c197fa700) at pthread_create.c:308
+#5  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 3
+[Switching to thread 3 (Thread 0x7f5c3277d700 (LWP 16775))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: No such file or directory.
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f5c3277d700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 4
+[Switching to thread 4 (Thread 0x7f5c3c97f700 (LWP 16773))]
+#0  0x00007f5c426421b3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
+81	../sysdeps/unix/syscall-template.S: No such file or directory.
+(gdb) bt
+#0  0x00007f5c426421b3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
+#1  0x00007f5c454ea917 in ?? () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c45712584 in ?? () from /usr/lib64/libgfapi.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f5c3c97f700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 5
+[Switching to thread 5 (Thread 0x7f5c3bb57700 (LWP 16774))]
+#0  0x00007f5c4290e43d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
+81	../sysdeps/unix/syscall-template.S: No such file or directory.
+(gdb) bt
+#0  0x00007f5c4290e43d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
+#1  0x00007f5c454b4874 in gf_timer_proc () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c42906fda in start_thread (arg=0x7f5c3bb57700) at pthread_create.c:308
+#3  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 6
+[Switching to thread 6 (Thread 0x7f57b37fe700 (LWP 18169))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: No such file or directory.
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f57b37fe700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 7
+[Switching to thread 7 (Thread 0x7f5c3e418700 (LWP 16771))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f5c3e418700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 8
+[Switching to thread 8 (Thread 0x7f5bfecfd700 (LWP 17854))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f5bfecfd700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 9
+[Switching to thread 9 (Thread 0x7f5c2bfff700 (LWP 16778))]
+#0  0x00007f5c4290e43d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
+81	../sysdeps/unix/syscall-template.S: No such file or directory.
+(gdb) bt
+#0  0x00007f5c4290e43d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
+#1  0x00007f5c454b4874 in gf_timer_proc () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c42906fda in start_thread (arg=0x7f5c2bfff700) at pthread_create.c:308
+#3  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 10
+[Switching to thread 10 (Thread 0x7f57caffd700 (LWP 20235))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: No such file or directory.
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f57caffd700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 11
+[Switching to thread 11 (Thread 0x7f5c19ffb700 (LWP 16785))]
+#0  0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+81	../sysdeps/unix/syscall-template.S: No such file or directory.
+(gdb) bt
+#0  0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+#1  0x00007f5c4627b5e9 in kvm_vcpu_ioctl (cpu=cpu@entry=0x7f5c48b7c720, type=type@entry=44672)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1790
+#2  0x00007f5c4627b725 in kvm_cpu_exec (cpu=cpu@entry=0x7f5c48b7c720)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1675
+#3  0x00007f5c4622095c in qemu_kvm_cpu_thread_fn (arg=0x7f5c48b7c720)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:873
+#4  0x00007f5c42906fda in start_thread (arg=0x7f5c19ffb700) at pthread_create.c:308
+#5  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 12
+[Switching to thread 12 (Thread 0x7f5c18bff700 (LWP 16788))]
+#0  0x00007f5c42637ded in poll () at ../sysdeps/unix/syscall-template.S:81
+81	../sysdeps/unix/syscall-template.S: No such file or directory.
+(gdb) bt
+#0  0x00007f5c42637ded in poll () at ../sysdeps/unix/syscall-template.S:81
+#1  0x00007f5c43521494 in ?? () from /usr/lib64/libspice-server.so.1
+#2  0x00007f5c42906fda in start_thread (arg=0x7f5c18bff700) at pthread_create.c:308
+#3  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 13
+[Switching to thread 13 (Thread 0x7f5bfd6fb700 (LWP 19907))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: No such file or directory.
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f5bfd6fb700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 14
+[Switching to thread 14 (Thread 0x7f5c3dc17700 (LWP 16772))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f5c3dc17700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 15
+[Switching to thread 15 (Thread 0x7f5c30ee7700 (LWP 16777))]
+#0  0x00007f5c426421b3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
+81	../sysdeps/unix/syscall-template.S: No such file or directory.
+(gdb) bt
+#0  0x00007f5c426421b3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
+#1  0x00007f5c454ea917 in ?? () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c45712584 in ?? () from /usr/lib64/libgfapi.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f5c30ee7700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 16
+[Switching to thread 16 (Thread 0x7f5bfcefa700 (LWP 19924))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: No such file or directory.
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f5bfcefa700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 17
+[Switching to thread 17 (Thread 0x7f57c8ff9700 (LWP 31327))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f57c8ff9700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 18
+[Switching to thread 18 (Thread 0x7f57cbfff700 (LWP 19985))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f57cbfff700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 19
+[Switching to thread 19 (Thread 0x7f57ca7fc700 (LWP 24029))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f57ca7fc700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 20
+[Switching to thread 20 (Thread 0x7f5c1b7fe700 (LWP 16782))]
+#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
+135	../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: No such file or directory.
+(gdb) bt
+#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
+#1  0x00007f5c4290923c in _L_lock_1001 () from /lib64/libpthread.so.0
+#2  0x00007f5c4290908b in __GI___pthread_mutex_lock (mutex=0x7f5c46b87dc0 <qemu_global_mutex>) at pthread_mutex_lock.c:64
+#3  0x00007f5c4631c6c9 in qemu_mutex_lock (mutex=mutex@entry=0x7f5c46b87dc0 <qemu_global_mutex>)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/util/qemu-thread-posix.c:76
+#4  0x00007f5c46221c50 in qemu_mutex_lock_iothread ()
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:1043
+#5  0x00007f5c4627b72d in kvm_cpu_exec (cpu=cpu@entry=0x7f5c48b4b610)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1677
+#6  0x00007f5c4622095c in qemu_kvm_cpu_thread_fn (arg=0x7f5c48b4b610)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:873
+#7  0x00007f5c42906fda in start_thread (arg=0x7f5c1b7fe700) at pthread_create.c:308
+#8  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 21
+[Switching to thread 21 (Thread 0x7f5c31f7c700 (LWP 16776))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: No such file or directory.
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f5c31f7c700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 22
+[Switching to thread 22 (Thread 0x7f57c9ffb700 (LWP 25116))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f57c9ffb700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 23
+[Switching to thread 23 (Thread 0x7f57b3fff700 (LWP 5016))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f57b3fff700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 24
+[Switching to thread 24 (Thread 0x7f57c97fa700 (LWP 31326))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f57c97fa700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 25
+[Switching to thread 25 (Thread 0x7f57b2ffd700 (LWP 18170))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f57b2ffd700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 26
+[Switching to thread 26 (Thread 0x7f5c295e2700 (LWP 16779))]
+#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
+135	../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: No such file or directory.
+(gdb) bt
+#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
+#1  0x00007f5c4290923c in _L_lock_1001 () from /lib64/libpthread.so.0
+#2  0x00007f5c4290908b in __GI___pthread_mutex_lock (mutex=0x7f5c46b87dc0 <qemu_global_mutex>) at pthread_mutex_lock.c:64
+#3  0x00007f5c4631c6c9 in qemu_mutex_lock (mutex=mutex@entry=0x7f5c46b87dc0 <qemu_global_mutex>)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/util/qemu-thread-posix.c:76
+#4  0x00007f5c46221c50 in qemu_mutex_lock_iothread ()
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:1043
+#5  0x00007f5c4627b72d in kvm_cpu_exec (cpu=cpu@entry=0x7f5c48aefab0)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1677
+#6  0x00007f5c4622095c in qemu_kvm_cpu_thread_fn (arg=0x7f5c48aefab0)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:873
+#7  0x00007f5c42906fda in start_thread (arg=0x7f5c295e2700) at pthread_create.c:308
+#8  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 27
+[Switching to thread 27 (Thread 0x7f5c1a7fc700 (LWP 16784))]
+#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
+135	in ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
+(gdb) bt
+#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
+#1  0x00007f5c4290923c in _L_lock_1001 () from /lib64/libpthread.so.0
+#2  0x00007f5c4290908b in __GI___pthread_mutex_lock (mutex=0x7f5c46b87dc0 <qemu_global_mutex>) at pthread_mutex_lock.c:64
+#3  0x00007f5c4631c6c9 in qemu_mutex_lock (mutex=mutex@entry=0x7f5c46b87dc0 <qemu_global_mutex>)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/util/qemu-thread-posix.c:76
+#4  0x00007f5c46221c50 in qemu_mutex_lock_iothread ()
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:1043
+#5  0x00007f5c4627b72d in kvm_cpu_exec (cpu=cpu@entry=0x7f5c48b6c170)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1677
+#6  0x00007f5c4622095c in qemu_kvm_cpu_thread_fn (arg=0x7f5c48b6c170)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:873
+#7  0x00007f5c42906fda in start_thread (arg=0x7f5c1a7fc700) at pthread_create.c:308
+#8  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 28
+[Switching to thread 28 (Thread 0x7f5c28de1700 (LWP 16780))]
+#0  0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+81	../sysdeps/unix/syscall-template.S: No such file or directory.
+(gdb) bt
+#0  0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+#1  0x00007f5c4627b5e9 in kvm_vcpu_ioctl (cpu=cpu@entry=0x7f5c48b2aab0, type=type@entry=44672)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1790
+#2  0x00007f5c4627b725 in kvm_cpu_exec (cpu=cpu@entry=0x7f5c48b2aab0)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1675
+#3  0x00007f5c4622095c in qemu_kvm_cpu_thread_fn (arg=0x7f5c48b2aab0)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:873
+#4  0x00007f5c42906fda in start_thread (arg=0x7f5c28de1700) at pthread_create.c:308
+#5  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 29
+[Switching to thread 29 (Thread 0x7f5c1bfff700 (LWP 16781))]
+#0  0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+81	in ../sysdeps/unix/syscall-template.S
+(gdb) bt
+#0  0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+#1  0x00007f5c4627b5e9 in kvm_vcpu_ioctl (cpu=cpu@entry=0x7f5c48b3b060, type=type@entry=44672)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1790
+#2  0x00007f5c4627b725 in kvm_cpu_exec (cpu=cpu@entry=0x7f5c48b3b060)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1675
+#3  0x00007f5c4622095c in qemu_kvm_cpu_thread_fn (arg=0x7f5c48b3b060)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:873
+#4  0x00007f5c42906fda in start_thread (arg=0x7f5c1bfff700) at pthread_create.c:308
+#5  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 30
+[Switching to thread 30 (Thread 0x7f5c45f87880 (LWP 16769))]
+#0  0x00007f5c42637ff6 in __GI_ppoll (fds=0x7f5c48bcd750, nfds=74, timeout=0x7fff92d94e60, timeout@entry=0x7fff92d94f20, 
+    sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:57
+57	../sysdeps/unix/sysv/linux/ppoll.c: No such file or directory.
+(gdb) bt
+#0  0x00007f5c42637ff6 in __GI_ppoll (fds=0x7f5c48bcd750, nfds=74, timeout=0x7fff92d94e60, timeout@entry=0x7fff92d94f20, 
+    sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:57
+#1  0x00007f5c461d5c39 in ppoll (__ss=0x0, __timeout=0x7fff92d94f20, __nfds=<optimized out>, __fds=<optimized out>)
+    at /usr/include/bits/poll2.h:77
+#2  qemu_poll_ns (fds=<optimized out>, nfds=<optimized out>, timeout=timeout@entry=313102)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/qemu-timer.c:316
+#3  0x00007f5c46199154 in os_host_main_loop_wait (timeout=313102)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/main-loop.c:229
+#4  main_loop_wait (nonblocking=<optimized out>) at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/main-loop.c:484
+#5  0x00007f5c460457ae in main_loop () at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/vl.c:2051
+#6  main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/vl.c:4507
+(gdb) thread 31
+[Switching to thread 31 (Thread 0x7f5bfe2fc700 (LWP 19906))]
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+238	../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S: No such file or directory.
+(gdb) bt
+#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
+#1  0x00007f5c454d34e3 in syncenv_task () from /usr/lib64/libglusterfs.so.0
+#2  0x00007f5c454d3920 in syncenv_processor () from /usr/lib64/libglusterfs.so.0
+#3  0x00007f5c42906fda in start_thread (arg=0x7f5bfe2fc700) at pthread_create.c:308
+#4  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+(gdb) thread 32
+[Switching to thread 32 (Thread 0x7f5c1affd700 (LWP 16783))]
+#0  0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+81	../sysdeps/unix/syscall-template.S: No such file or directory.
+(gdb) bt
+#0  0x00007f5c42639607 in ioctl () at ../sysdeps/unix/syscall-template.S:81
+#1  0x00007f5c4627b5e9 in kvm_vcpu_ioctl (cpu=cpu@entry=0x7f5c48b5bbc0, type=type@entry=44672)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1790
+#2  0x00007f5c4627b725 in kvm_cpu_exec (cpu=cpu@entry=0x7f5c48b5bbc0)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/kvm-all.c:1675
+#3  0x00007f5c4622095c in qemu_kvm_cpu_thread_fn (arg=0x7f5c48b5bbc0)
+    at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/cpus.c:873
+#4  0x00007f5c42906fda in start_thread (arg=0x7f5c1affd700) at pthread_create.c:308
+#5  0x00007f5c42641b1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
+
+XML definition from libvirt:
+
+<domain type='kvm' id='9'>
+  <name>b1032388-abb8-4176-897b-0c30a1a73714</name>
+  <uuid>b1032388-abb8-4176-897b-0c30a1a73714</uuid>
+  <memory unit='KiB'>16777216</memory>
+  <currentMemory unit='KiB'>16777216</currentMemory>
+  <vcpu placement='static'>8</vcpu>
+  <resource>
+    <partition>/machine</partition>
+  </resource>
+  <os>
+    <type arch='x86_64' machine='pc-i440fx-1.5'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <pae/>
+    <hap/>
+  </features>
+  <cpu mode='host-model'>
+    <model fallback='allow'/>
+  </cpu>
+  <clock offset='localtime'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-kvm</emulator>
+    <disk type='file' device='cdrom'>
+      <driver name='qemu' type='raw'/>
+      <source file='/var/virtualization/iso/571196f0-4b29-48c9-b250-50697cbe4317.iso'/>
+      <backingStore/>
+      <target dev='hdb' bus='ide'/>
+      <readonly/>
+      <alias name='ide0-0-1'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
+    </disk>
+    <disk type='file' device='cdrom'>
+      <driver name='qemu' type='raw'/>
+      <source file='/var/virtualization/iso/85d7e9f5-4288-4a3f-b209-c12ff11c61f3.iso'/>
+      <backingStore/>
+      <target dev='hdc' bus='ide'/>
+      <readonly/>
+      <alias name='ide0-1-0'/>
+      <address type='drive' controller='0' bus='1' target='0' unit='0'/>
+    </disk>
+    <disk type='network' device='disk'>
+      <driver name='qemu' type='qcow2' cache='none'/>
+      <source protocol='gluster' name='virtualization/vm-persistent/0f83f084-8080-413e-b558-b678e504836e/d35a6600-91bf-4fd1-aba4-1fe6a813d481.qcow2'>
+        <host name='1.2.3.4'/>
+      </source>
+      <backingStore/>
+      <target dev='vda' bus='virtio'/>
+      <alias name='virtio-disk0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
+    </disk>
+    <disk type='network' device='disk'>
+      <driver name='qemu' type='qcow2' cache='none'/>
+      <source protocol='gluster' name='virtualization/vm-persistent/0f83f084-8080-413e-b558-b678e504836e/V5qtOlCs-8PgV-64tQ-a79N-j4ko4GIBijT4.qcow2'>
+        <host name='1.2.3.4'/>
+      </source>
+      <backingStore/>
+      <target dev='vdb' bus='virtio'/>
+      <alias name='virtio-disk1'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>
+    </disk>
+    <controller type='usb' index='0' model='ich9-ehci1'>
+      <alias name='usb0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x7'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci1'>
+      <alias name='usb0'/>
+      <master startport='0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0' multifunction='on'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci2'>
+      <alias name='usb0'/>
+      <master startport='2'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x1'/>
+    </controller>
+    <controller type='usb' index='0' model='ich9-uhci3'>
+      <alias name='usb0'/>
+      <master startport='4'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'>
+      <alias name='pci.0'/>
+    </controller>
+    <controller type='ide' index='0'>
+      <alias name='ide0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
+    </controller>
+    <controller type='virtio-serial' index='0'>
+      <alias name='virtio-serial0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
+    </controller>
+    <interface type='bridge'>
+      <mac address='XX.XX.XX.XX:XX:XX'/>
+      <source bridge='vmbr0'/>
+      <target dev='kvm-XYZ_0'/>
+      <model type='virtio'/>
+      <alias name='net0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
+    </interface>
+    <channel type='spicevmc'>
+      <target type='virtio' name='com.redhat.spice.0'/>
+      <alias name='channel0'/>
+      <address type='virtio-serial' controller='0' bus='0' port='1'/>
+    </channel>
+    <channel type='unix'>
+      <source mode='bind' path='/var/lib/libvirt/qemu/channel/target/b1032388-abb8-4176-897b-0c30a1a73714.org.qemu.guest_agent.0'/>
+      <target type='virtio' name='org.qemu.guest_agent.0'/>
+      <alias name='channel1'/>
+      <address type='virtio-serial' controller='0' bus='0' port='2'/>
+    </channel>
+    <input type='tablet' bus='usb'>
+      <alias name='input0'/>
+    </input>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <graphics type='spice' port='5900' autoport='no' listen='1.2.3.4'>
+      <listen type='address' address='1.2.3.4'/>
+    </graphics>
+    <sound model='ac97'>
+      <alias name='sound0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
+    </sound>
+    <video>
+      <model type='qxl' ram='65536' vram='65536' heads='1'/>
+      <alias name='video0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </video>
+    <redirdev bus='usb' type='spicevmc'>
+      <alias name='redir0'/>
+    </redirdev>
+    <redirdev bus='usb' type='spicevmc'>
+      <alias name='redir1'/>
+    </redirdev>
+    <redirdev bus='usb' type='spicevmc'>
+      <alias name='redir2'/>
+    </redirdev>
+    <redirfilter>
+      <usbdev allow='no'/>
+    </redirfilter>
+    <memballoon model='virtio'>
+      <alias name='balloon0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
+    </memballoon>
+    <rng model='virtio'>
+      <rate bytes='1024' period='1000'/>
+      <backend model='random'>/dev/random</backend>
+      <alias name='rng0'/>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
+    </rng>
+  </devices>
+  <seclabel type='none'/>
+</domain>
+
+On Tue, Jun 24, 2014 at 11:17:51AM -0000, dev-zero wrote:
+> (gdb) bt
+> #0  event_notifier_set (e=0x124) at /var/tmp/portage/app-emulation/qemu-2.0.0/work/qemu-2.0.0/util/event_notifier-posix.c:97
+> #1  0x00007f5c457145d1 in ?? () from /usr/lib64/libgfapi.so.0
+> #2  0x00007f5c454d1d0a in synctask_wrap () from /usr/lib64/libglusterfs.so.0
+> #3  0x00007f5c4259d760 in ?? () from /lib64/libc.so.6
+> #4  0x0000000000000000 in ?? ()
+
+e=0x124 is an invalid address.  This crash is probably fixed by:
+
+  commit 924fe1293c3e7a3c787bbdfb351e7f168caee3e9
+  Author: Stefan Hajnoczi <email address hidden>
+  Date:   Tue Jun 3 11:21:01 2014 +0200
+
+      aio: fix qemu_bh_schedule() bh->ctx race condition
+
+Please apply the patch or try QEMU 2.1-rc0:
+http://wiki.qemu.org/download/qemu-2.1.0-rc0.tar.bz2
+
+Stefan
+
+
+Assuming this has been fixed by the patch that Stefan pointed out in comment #1, so closing this ticket now (feel free to re-open if you still can reproduce it with the latest version of QEMU)
+