Public bug reported:
qemu 2.1.2 is good.
(gdb) bt
#0 0x00007ffff4aae445 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff4ab1bab in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x0000555555997951 in qcow2_cache_find_entry_to_replace (c=0x555556389780)
at block/qcow2-cache.c:262
#3 0x0000555555997a1a in qcow2_cache_do_get (bs=0x5555563836f0,
c=0x555556389780, offset=1094713344, table=0x7fffffffc528,
read_from_disk=true) at block/qcow2-cache.c:285
#4 0x0000555555997c45 in qcow2_cache_get (bs=0x5555563836f0, c=0x555556389780,
offset=1094713344, table=0x7fffffffc528)
at block/qcow2-cache.c:331
#5 0x0000555555991ca9 in l2_allocate (bs=0x5555563836f0, l1_index=1,
table=0x7fffffffc5a0) at block/qcow2-cluster.c:247
#6 0x000055555599290c in get_cluster_table (bs=0x5555563836f0,
offset=549755813888, new_l2_table=0x7fffffffc610,
new_l2_index=0x7fffffffc62c) at block/qcow2-cluster.c:620
#7 0x0000555555994213 in discard_single_l2 (bs=0x5555563836f0,
offset=549755813888, nb_clusters=156, type=QCOW2_DISCARD_NEVER,
full_discard=false) at block/qcow2-cluster.c:1425
#8 0x0000555555994491 in qcow2_discard_clusters (bs=0x5555563836f0,
offset=549755813888, nb_sectors=638976, type=QCOW2_DISCARD_NEVER,
full_discard=false) at block/qcow2-cluster.c:1516
#9 0x00005555559965c8 in qcow2_snapshot_create (bs=0x5555563836f0,
sn_info=0x7fffffffc830) at block/qcow2-snapshot.c:441
#10 0x00005555559ad1ad in bdrv_snapshot_create (bs=0x5555563836f0,
sn_info=0x7fffffffc830) at block/snapshot.c:167
#11 0x000055555565e90f in do_savevm (mon=0x555556992d20, qdict=0x5555599d5c00)
at /vms/qemu/qemu-2.2.0/savevm.c:1126
(gdb) show args
Argument list to give program being debugged when it is started is "-name
u1404-01 -S -machine pc,accel=kvm,usb=off -m 1024 -smp
2,sockets=2,cores=1,threads=1 -no-user-config -nodefaults -monitor stdio -rtc
base=utc -no-shutdown -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2
-device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -drive
file=/vms/images/u1404-01.img,if=none,id=drive-virtio-disk0,format=qcow2,cache=directsync
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0
-drive if=none,id=drive-ide0-1-0,readonly=on,format=raw -device
ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -chardev
pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -device
usb-tablet,id=input0 -vnc 0.0.0.0:0 -device
cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6".
** Affects: qemu
Importance: Undecided
Status: New
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1401798
Title:
Qemu 2.2.0 savevm crash.
Status in QEMU:
New
Bug description:
qemu 2.1.2 is good.
(gdb) bt
#0 0x00007ffff4aae445 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff4ab1bab in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x0000555555997951 in qcow2_cache_find_entry_to_replace
(c=0x555556389780) at block/qcow2-cache.c:262
#3 0x0000555555997a1a in qcow2_cache_do_get (bs=0x5555563836f0,
c=0x555556389780, offset=1094713344, table=0x7fffffffc528,
read_from_disk=true) at block/qcow2-cache.c:285
#4 0x0000555555997c45 in qcow2_cache_get (bs=0x5555563836f0,
c=0x555556389780, offset=1094713344, table=0x7fffffffc528)
at block/qcow2-cache.c:331
#5 0x0000555555991ca9 in l2_allocate (bs=0x5555563836f0, l1_index=1,
table=0x7fffffffc5a0) at block/qcow2-cluster.c:247
#6 0x000055555599290c in get_cluster_table (bs=0x5555563836f0,
offset=549755813888, new_l2_table=0x7fffffffc610,
new_l2_index=0x7fffffffc62c) at block/qcow2-cluster.c:620
#7 0x0000555555994213 in discard_single_l2 (bs=0x5555563836f0,
offset=549755813888, nb_clusters=156, type=QCOW2_DISCARD_NEVER,
full_discard=false) at block/qcow2-cluster.c:1425
#8 0x0000555555994491 in qcow2_discard_clusters (bs=0x5555563836f0,
offset=549755813888, nb_sectors=638976, type=QCOW2_DISCARD_NEVER,
full_discard=false) at block/qcow2-cluster.c:1516
#9 0x00005555559965c8 in qcow2_snapshot_create (bs=0x5555563836f0,
sn_info=0x7fffffffc830) at block/qcow2-snapshot.c:441
#10 0x00005555559ad1ad in bdrv_snapshot_create (bs=0x5555563836f0,
sn_info=0x7fffffffc830) at block/snapshot.c:167
#11 0x000055555565e90f in do_savevm (mon=0x555556992d20,
qdict=0x5555599d5c00) at /vms/qemu/qemu-2.2.0/savevm.c:1126
(gdb) show args
Argument list to give program being debugged when it is started is "-name
u1404-01 -S -machine pc,accel=kvm,usb=off -m 1024 -smp
2,sockets=2,cores=1,threads=1 -no-user-config -nodefaults -monitor stdio -rtc
base=utc -no-shutdown -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2
-device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x5 -drive
file=/vms/images/u1404-01.img,if=none,id=drive-virtio-disk0,format=qcow2,cache=directsync
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0
-drive if=none,id=drive-ide0-1-0,readonly=on,format=raw -device
ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -chardev
pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -device
usb-tablet,id=input0 -vnc 0.0.0.0:0 -device
cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6".
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1401798/+subscriptions
