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authorChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:24:58 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:27:06 +0000
commit33606b41d35115f887ea688b1a16f2ff85bf2fe4 (patch)
tree406b2c7b19a087ba437c68f3dbf0b589fa1d6150 /results/scraper/launchpad-without-comments/1259499
parentadedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff)
downloadqemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz
qemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip
add launchpad bug reports without comments
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+QEmu 1.7.0 cannot restore a 1.6.0 live snapshot made in qemu-system-x86_64
+
+I have upgraded to QEmu 1.7.0 (Debian 1.7.0+dfsg-2) but now when I try to restore a live snapshot made in QEmu 1.6.0 (Debian 1.6.0+dfsg-1) I see that the VM boots from scratch instead of starting directly in the snapshot's running state.
+
+Furthermore if the VM is already running and I try to revert to the snapshot again I get the following message:
+
+$ virsh --connect qemu:///system snapshot-revert fgtbbuild wtb; echo $?
+error: operation failed: Error -22 while loading VM state
+1
+
+I have test VMs with live snapshots corresponding to different testing configurations. So I typically revert the VMs in one of the live snapshots and run the tests. It would be pretty annoying to have to recreate all these live snapshots any time I upgrade QEmu bug it looks like I'll have to do it again.
+
+This all sounds very much like bug 1123975 where QEmu 1.3 broke compatibility with previous versions live snapshots :-(
+
+Here is the command being run by libvirt:
+
+/usr/bin/qemu-system-x86_64 -name fgtbbuild -S -machine pc-1.1,accel=kvm,usb=off -m 512 -realtime mlock=off -smp 4,sockets=4,cores=1,threads=1 -uuid f510955c-17de-9907-1e33-dfe1ef7a08b6 -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/fgtbbuild.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/mnt/storage1/qemu/fgtbbuild.qcow2,if=none,id=drive-virtio-disk0,format=qcow2,cache=writeback -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive if=none,id=drive-ide0-0-0,readonly=on,format=raw -device ide-cd,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -netdev tap,fd=25,id=hostnet0,vhost=on,vhostfd=26 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:0a:3c:e8,bus=pci.0,addr=0x3 -chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0 -device usb-tablet,id=input0 -vnc 127.0.0.1:0 -device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,bus=pci.0,addr=0x2 -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6 -loadvm wtb
+
+ipxe-qemu 1.0.0+git-20120202.f6840ba-3
+qemu 1.7.0+dfsg-2
+qemu-keymaps 1.7.0+dfsg-2
+qemu-slof 20130430+dfsg-1
+qemu-system 1.7.0+dfsg-2
+qemu-system-arm 1.7.0+dfsg-2
+qemu-system-common 1.7.0+dfsg-2
+qemu-system-mips 1.7.0+dfsg-2
+qemu-system-misc 1.7.0+dfsg-2
+qemu-system-ppc 1.7.0+dfsg-2
+qemu-system-sparc 1.7.0+dfsg-2
+qemu-system-x86 1.7.0+dfsg-2
+qemu-user 1.7.0+dfsg-2
+qemu-utils 1.7.0+dfsg-2
+libvirt-bin 1.1.4-2
+libvirt0 1.1.4-2
+libvirtodbc0 6.1.6+dfsg-4
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