Public bug reported:
blockcommit does not work if there is dirty block.
virsh version
Compiled against library: libvirt 4.10.0
Using library: libvirt 4.10.0
Using API: QEMU 4.10.0
Running hypervisor: QEMU 2.12.0
Scenario:
1. Create an instance
2. Add dirty bitmap to vm disk.
3. create a snapshot(external or internal)
4. revert snapshot or blockcommit disk
virsh blockcommit rota-test vda --active
Active Block Commit started
virsh blockjob rota-test vda --info
No current block job for vda
rota-test.log:
starting up libvirt version: 4.10.0, package: 1.el7 (CBS <c...@centos.org>,
2018-12-05-12:27:12, c1bk.rdu2.centos.org), qemu version:
2.12.0qemu-kvm-ev-2.12.0-18.el7_6.1.1, kernel: 4.1.12-103.9.7.el7uek.x86_64,
hostname: vm-kvm07
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
QEMU_AUDIO_DRV=spice /usr/libexec/qemu-kvm -name
guest=rota-test,debug-threads=on -S -object
secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-101-rota-test/master-key.aes
-machine pc-i440fx-rhel7.0.0,accel=kvm,usb=off,dump-guest-core=off -cpu
SandyBridge,hypervisor=on,xsaveopt=on -m 8192 -realtime mlock=off -smp
3,sockets=3,cores=1,threads=1 -uuid 50dec55c-a80a-4adc-a788-7ba23230064e
-no-user-config -nodefaults -chardev socket,id=charmonitor,fd=59,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew
-global kvm-pit.lost_tick_policy=delay -no-hpet -no-shutdown -global
PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1 -boot strict=on -device
ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7 -device
ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5
-device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1
-device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2
-device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x6 -drive
file=/var/lib/libvirt/images/rota-0003,format=qcow2,if=none,id=drive-virtio-disk0,cache=none
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1,write-cache=on
-netdev tap,fd=61,id=hostnet0,vhost=on,vhostfd=62 -device
virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:e8:09:94,bus=pci.0,addr=0x3
-chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0
-chardev spicevmc,id=charchannel0,name=vdagent -device
virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0
-spice port=5902,addr=0.0.0.0,disable-ticketing,seamless-migration=on -device
qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,vram64_size_mb=0,vgamem_mb=16,max_outputs=1,bus=pci.0,addr=0x2
-chardev spicevmc,id=charredir0,name=usbredir -device
usb-redir,chardev=charredir0,id=redir0,bus=usb.0,port=2 -chardev
spicevmc,id=charredir1,name=usbredir -device
usb-redir,chardev=charredir1,id=redir1,bus=usb.0,port=3 -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x8 -sandbox
on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny -msg
timestamp=on
2019-01-03T07:50:43.810142Z qemu-kvm: -chardev pty,id=charserial0: char device
redirected to /dev/pts/3 (label charserial0)
main_channel_link: add main channel client
red_qxl_set_cursor_peer:
inputs_connect: inputs channel client create
inputs_channel_detach_tablet:
#block339: Failed to make dirty bitmaps writable: Can't update bitmap
directory: Operation not permitted
** Affects: qemu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1810400
Title:
Failed to make dirty bitmaps writable: Can't update bitmap directory:
Operation not permitted
Status in QEMU:
New
Bug description:
blockcommit does not work if there is dirty block.
virsh version
Compiled against library: libvirt 4.10.0
Using library: libvirt 4.10.0
Using API: QEMU 4.10.0
Running hypervisor: QEMU 2.12.0
Scenario:
1. Create an instance
2. Add dirty bitmap to vm disk.
3. create a snapshot(external or internal)
4. revert snapshot or blockcommit disk
virsh blockcommit rota-test vda --active
Active Block Commit started
virsh blockjob rota-test vda --info
No current block job for vda
rota-test.log:
starting up libvirt version: 4.10.0, package: 1.el7 (CBS <c...@centos.org>,
2018-12-05-12:27:12, c1bk.rdu2.centos.org), qemu version:
2.12.0qemu-kvm-ev-2.12.0-18.el7_6.1.1, kernel: 4.1.12-103.9.7.el7uek.x86_64,
hostname: vm-kvm07
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
QEMU_AUDIO_DRV=spice /usr/libexec/qemu-kvm -name
guest=rota-test,debug-threads=on -S -object
secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-101-rota-test/master-key.aes
-machine pc-i440fx-rhel7.0.0,accel=kvm,usb=off,dump-guest-core=off -cpu
SandyBridge,hypervisor=on,xsaveopt=on -m 8192 -realtime mlock=off -smp
3,sockets=3,cores=1,threads=1 -uuid 50dec55c-a80a-4adc-a788-7ba23230064e
-no-user-config -nodefaults -chardev socket,id=charmonitor,fd=59,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew
-global kvm-pit.lost_tick_policy=delay -no-hpet -no-shutdown -global
PIIX4_PM.disable_s3=1 -global PIIX4_PM.disable_s4=1 -boot strict=on -device
ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7 -device
ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5
-device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1
-device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2
-device virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x6 -drive
file=/var/lib/libvirt/images/rota-0003,format=qcow2,if=none,id=drive-virtio-disk0,cache=none
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1,write-cache=on
-netdev tap,fd=61,id=hostnet0,vhost=on,vhostfd=62 -device
virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:e8:09:94,bus=pci.0,addr=0x3
-chardev pty,id=charserial0 -device isa-serial,chardev=charserial0,id=serial0
-chardev spicevmc,id=charchannel0,name=vdagent -device
virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.spice.0
-spice port=5902,addr=0.0.0.0,disable-ticketing,seamless-migration=on -device
qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,vram64_size_mb=0,vgamem_mb=16,max_outputs=1,bus=pci.0,addr=0x2
-chardev spicevmc,id=charredir0,name=usbredir -device
usb-redir,chardev=charredir0,id=redir0,bus=usb.0,port=2 -chardev
spicevmc,id=charredir1,name=usbredir -device
usb-redir,chardev=charredir1,id=redir1,bus=usb.0,port=3 -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x8 -sandbox
on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny -msg
timestamp=on
2019-01-03T07:50:43.810142Z qemu-kvm: -chardev pty,id=charserial0: char
device redirected to /dev/pts/3 (label charserial0)
main_channel_link: add main channel client
red_qxl_set_cursor_peer:
inputs_connect: inputs channel client create
inputs_channel_detach_tablet:
#block339: Failed to make dirty bitmaps writable: Can't update bitmap
directory: Operation not permitted
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