Looking through old bug tickets... can you still reproduce this issue
with the latest version of QEMU? Or could we close this ticket nowadays?

** Changed in: qemu
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1446726

Title:
  qemu stable 2.0 crashes during loadvm

Status in QEMU:
  Incomplete

Bug description:
  Qemu output:

  2015-03-06 01:06:54.255+0000: starting up 
  LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin 
QEMU_AUDIO_DRV=none /usr/bin/qemu-system-x86_64 -name instance-0000462a -S 
-machine pc-i440fx-trusty,accel=kvm,usb=off -cpu 
Westmere,+erms,+smep,+3dnowprefetch,+rdtscp,+rdrand,+tsc-deadline,+movbe,+pdcm,+xtpr,+tm2,+est,+vmx,+ds_cpl,+monitor,+dtes64,+pclmuldq,+pbe,+tm,+ht,+ss,+acpi,+ds,+vme
 -m 4096 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid 
7c3f225c-df2a-4014-997b-3200fcfff43d -smbios type=1,manufacturer=OpenStack 
Foundation,product=OpenStack 
Nova,version=2014.1.2,serial=474aef35-d474-8001-e411-6108001017ac,uuid=7c3f225c-df2a-4014-997b-3200fcfff43d
 -no-user-config -nodefaults -chardev 
socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-0000462a.monitor,server,nowait
 -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew 
-global kvm-pit.lost_tick_policy=discard -no-hpet -no-shutdown -boot strict=on 
-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive 
file=/var/lib/nova/instances/7c3f225c-df2a-4014-997b-3200fcfff43d/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none,iops_rd=100,iops_wr=100
 -device 
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
 -drive 
file=/dev/mapper/258c232d7056e0047,if=none,id=drive-virtio-disk1,format=raw,serial=dedb9d8d-e727-4d09-bf89-52e870125303,cache=none
 -device 
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x9,drive=drive-virtio-disk1,id=virtio-disk1
 -drive 
file=/var/lib/nova/instances/7c3f225c-df2a-4014-997b-3200fcfff43d/disk.config,if=none,id=drive-virtio-disk25,format=raw,cache=none,iops_rd=100,iops_wr=100
 -device 
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=drive-virtio-disk25,id=virtio-disk25
 -chardev 
file,id=charserial0,path=/var/lib/nova/instances/7c3f225c-df2a-4014-997b-3200fcfff43d/console.log
 -device isa-serial,chardev=charserial0,id=serial0 -chardev pty,id=charserial1 
-device isa-serial,chardev=charserial1,id=serial1 -device usb-tablet,id=input0 
-vnc 127.0.0.1:0 -k ja -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 
-incoming fd:23 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x8 
  char device redirected to /dev/pts/3 (label charserial1) 
  qemu-system-x86_64: /build/buildd/qemu-2.0.0+dfsg/memory.c:1403: 
memory_region_del_eventfd: Assertion `i != mr->ioeventfd_nb' failed. 
  2015-03-06 01:09:02.585+0000: shutting down

  
  Libvirt log:
  2015-03-05 11:29:48.434+0000: 8392: error : qemuMonitorIO:656 : internal 
error: End of file from monitor
  2015-03-06 00:13:33.077+0000: 8397: warning : AppArmorSetFDLabel:919 : could 
not find path for descriptor /proc/self/fd/26, skipping
  2015-03-06 00:13:40.981+0000: 8397: warning : virFileWrapperFdClose:308 : 
iohelper reports:
  2015-03-06 00:14:27.206+0000: 8396: warning : qemuDomainObjStart:6073 : 
Unable to restore from managed state 
/var/lib/libvirt/qemu/save/instance-0000462a.save. Maybe the file is corrupted?
  2015-03-06 00:14:40.160+0000: 8392: warning : 
qemuMonitorJSONHandleDeviceDeleted:931 : missing device in device deleted event
  2015-03-06 00:20:45.414+0000: 8392: error : qemuMonitorIO:656 : internal 
error: End of file from monitor
  2015-03-06 00:26:21.849+0000: 8396: warning : AppArmorSetFDLabel:919 : could 
not find path for descriptor /proc/self/fd/25, skipping
  2015-03-06 00:26:24.764+0000: 8396: warning : virFileWrapperFdClose:308 : 
iohelper reports:
  2015-03-06 00:28:09.425+0000: 8398: warning : qemuDomainObjStart:6073 : 
Unable to restore from managed state 
/var/lib/libvirt/qemu/save/instance-0000462a.save. Maybe the file is corrupted?
  2015-03-06 00:29:29.981+0000: 8392: error : qemuMonitorIO:656 : internal 
error: End of file from monitor
  2015-03-06 00:35:06.485+0000: 8398: warning : AppArmorSetFDLabel:919 : could 
not find path for descriptor /proc/self/fd/26, skipping
  2015-03-06 00:35:09.645+0000: 8398: warning : virFileWrapperFdClose:308 : 
iohelper reports:
  2015-03-06 00:37:58.701+0000: 8397: warning : qemuDomainObjStart:6073 : 
Unable to restore from managed state 
/var/lib/libvirt/qemu/save/instance-0000462a.save. Maybe the file is corrupted?
  2015-03-06 00:59:12.925+0000: 8392: error : qemuMonitorIO:656 : internal 
error: End of file from monitor
  2015-03-06 01:04:57.990+0000: 8392: warning : 
qemuMonitorJSONHandleDeviceDeleted:931 : missing device in device deleted event
  2015-03-06 01:05:18.031+0000: 8392: warning : 
qemuMonitorJSONHandleDeviceDeleted:931 : missing device in device deleted event
  2015-03-06 01:05:37.954+0000: 8392: warning : 
qemuMonitorJSONHandleDeviceDeleted:931 : missing device in device deleted event
  2015-03-06 01:06:13.213+0000: 8392: error : qemuMonitorIO:656 : internal 
error: End of file from monitor
  2015-03-06 01:06:29.870+0000: 8398: warning : AppArmorSetFDLabel:919 : could 
not find path for descriptor /proc/self/fd/26, skipping
  2015-03-06 01:06:31.024+0000: 8398: warning : virFileWrapperFdClose:308 : 
iohelper reports:
  2015-03-06 01:06:57.274+0000: 8395: warning : qemuDomainObjStart:6073 : 
Unable to restore from managed state 
/var/lib/libvirt/qemu/save/instance-0000462a.save. Maybe the file is corrupted?
  2015-03-06 01:09:02.581+0000: 8392: error : qemuMonitorIORead:554 : Unable to 
read from monitor: Connection reset by peer

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