On Wednesday, October 17, 2012 10:45:14 AM Guido Winkelmann wrote: > Am Dienstag, 16. Oktober 2012, 12:44:27 schrieb Brian Jackson: > > On Tuesday, October 16, 2012 11:33:44 AM Guido Winkelmann wrote: > > > The commandline, as generated by libvirtd, looks like this: > > > > > > LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin > > > QEMU_AUDIO_DRV=none /usr/bin/qemu-kvm -S -M pc-0.15 -enable-kvm -m 1024 > > > -smp 1,sockets=1,cores=1,threads=1 -name migratetest2 -uuid > > > ddbf11e9-387e-902b-4849-8c3067dc42a2 -nodefconfig -nodefaults -chardev > > > socket,id=charmonitor,path=/var/lib/libvirt/qemu/migratetest2.monitor,s > > > erv e > > > r,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc > > > -no-reboot -no- shutdown -device > > > piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive > > > file=/data/migratetest2_system,if=none,id=drive-virtio- > > > disk0,format=qcow2,cache=none -device virtio-blk- > > > pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio- > > > disk0,bootindex=1 -drive > > > file=/data/migratetest2_data-1,if=none,id=drive- > > > virtio-disk1,format=qcow2,cache=none -device virtio-blk- > > > pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk1,id=virtio-disk > > > 1 - netdev tap,fd=27,id=hostnet0,vhost=on,vhostfd=28 -device > > > virtio-net- > > > pci,netdev=hostnet0,id=net0,mac=02:00:00:00:00:0c,bus=pci.0,addr=0x3 > > > -vnc 127.0.0.1:2,password -k de -vga cirrus -incoming > > > tcp:0.0.0.0:49153 -device > > > virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 > > > > I see qcow2 in there. Live migration of qcow2 was a new feature in 1.0. > > Have you tried other formats or different qemu/kvm versions? > > I tried the same thing with a raw image file instead of qcow2, and the > problem still happens. From the /var/log/messages of the guest: > > Oct 17 17:10:34 localhost sshd[2368]: nss_ldap: could not search LDAP > server - Server is unavailable > Oct 17 17:10:39 localhost kernel: [ 126.800075] eth0: no IPv6 routers > present Oct 17 17:10:52 localhost kernel: [ 140.335783] Clocksource tsc > unstable (delta = -70265501 ns) > Oct 17 17:12:04 localhost /O error on device vda1, logical block 1858765 > Oct 17 17:12:04 localhost kernel: [ 212.070584] Buffer I/O error on device > vda1, logical block 1858766 > Oct 17 17:12:04 localhost kernel: [ 212.070587] Buffer I/O error on device > vda1, logical block 1858767 > Oct 17 17:12:04 localhost kernel: [ 212.070589] Buffer I/O error on device > vda1, logical block 1858768 > Oct 17 17:12:04 localhost kernel: [ 212.070592] Buffer I/O error on device > vda1, logical block 1858769 > Oct 17 17:12:04 localhost kernel: [ 212.070595] Buffer I/O error on device > vda1, logical block 1858770 > Oct 17 17:12:04 localhost kernel: [ 212.070597] Buffer I/O error on device > vda1, logical block 1858771 > Oct 17 17:12:04 localhost kernel: [ 212.070600] Buffer I/O error on device > vda1, logical block 1858772 > Oct 17 17:12:04 localhost kernel: [ 212.070602] Buffer I/O error on device > vda1, logical block 1858773 > Oct 17 17:12:04 localhost kernel: [ 212.070605] Buffer I/O error on device > vda1, logical block 1858774 > Oct 17 17:12:04 localhost kernel: [ 212.070607] Buffer I/O error on device > vda1, logical block 1858775 > Oct 17 17:12:04 localhost kernel: [ 212.070610] Buffer I/O error on device > vda1, logical block 1858776 > Oct 17 17:12:04 localhost kernel: [ 212.070612] Buffer I/O error on device > vda1, logical block 1858777 > Oct 17 17:12:04 localhost kernel: [ 212.070615] Buffer I/O error on device > vda1, logical block 1858778 > Oct 17 17:12:04 localhost kernel: [ 212.070617] Buffer I/O error on device > vda1, logical block 1858779 > > (I was writing a large file at the time, to make sure I actually catch I/O > errors as they happen) What about newer versions of qemu/kvm? But of course if those work, your next task is going to be git bisect it or file a bug with your distro that is using an ancient version of qemu/kvm. > > Guido > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
