From: Zhang Chen <zhangckid@gmail.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [Bug 1754542] [NEW] colo: secondary vm crash when execute x-colo-lost-heartbeat
Date: Sat, 17 Mar 2018 20:14:53 -0000 [thread overview]
Message-ID: <CAK3tnvJiJGZdzk_e1e7nCR=BH+0CaMa3YEgUfijQS-fyp8xnpg@mail.gmail.com> (raw)
In-Reply-To: 152056405865.7543.8980677605113063936.malonedeb@wampee.canonical.com
Hi Suiheng,
Sorry for slow reply, the document 'COLO-FT.txt' in qemu is out of date, I
will update it lately.
Please follow this step to run COLO(the command has been changed).
https://wiki.qemu.org/Features/COLO
Thanks
Zhang Chen
On Fri, Mar 9, 2018 at 10:54 AM, 李穗恒 <1754542@bugs.launchpad.net> wrote:
> Public bug reported:
>
> I use Arch Linux x86_64
> both qemu 2.11.1 and Zhang Chen's(https://github.com/
> zhangckid/qemu/commits/colo-with-virtio-net-internal-jul10)
> Following document 'COLO-FT.txt',
> I test colo feature on my hosts
>
> I run this command
> Primary:
> sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp stdio
> -name primary \
> -device piix3-usb-uhci \
> -device usb-tablet -netdev tap,id=hn0,vhost=off \
> -device virtio-net-pci,id=net-pci0,netdev=hn0 \
> -drive if=virtio,id=colo-disk0,driver=quorum,read-pattern=
> fifo,vote-threshold=1,children.0.file.filename=/var/
> lib/libvirt/images/1.raw,children.0.driver=raw -S
>
> Secondary:
> sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp stdio
> -name secondary \
> -device piix3-usb-uhci \
> -device usb-tablet -netdev tap,id=hn0,vhost=off \
> -device virtio-net-pci,id=net-pci0,netdev=hn0 \
> -drive if=none,id=colo-disk0,file.filename=/var/lib/libvirt/
> images/2.raw,driver=raw,node-name=node0 \
> -drive if=virtio,id=active-disk0,driver=replication,mode=secondary,\
> file.driver=qcow2,top-id=active-disk0,\
> file.file.filename=/mnt/ramfs/active_disk.img,\
> file.backing.driver=qcow2,\
> file.backing.file.filename=/mnt/ramfs/hidden_disk.img,\
> file.backing.backing=colo-disk0 \
> -incoming tcp:0:8888
>
> Secondary:
> {'execute':'qmp_capabilities'}
> { 'execute': 'nbd-server-start',
> 'arguments': {'addr': {'type': 'inet', 'data': {'host': '192.168.0.33',
> 'port': '8889'} } }
> }
> {'execute': 'nbd-server-add', 'arguments': {'device': 'colo-disk0',
> 'writable': true } }
>
> Primary:
> {'execute':'qmp_capabilities'}
> { 'execute': 'human-monitor-command',
> 'arguments': {'command-line': 'drive_add -n buddy
> driver=replication,mode=primary,file.driver=nbd,file.
> host=192.168.0.34,file.port=8889,file.export=colo-disk0,
> node-name=nbd_client0'}}
> { 'execute':'x-blockdev-change', 'arguments':{'parent': 'colo-disk0',
> 'node': 'nbd_client0' } }
> { 'execute': 'migrate-set-capabilities',
> 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state':
> true } ] } }
> { 'execute': 'migrate', 'arguments': {'uri': 'tcp:192.168.0.34:8888' } }
> { 'execute': 'migrate-set-parameters' , 'arguments':{
> 'x-checkpoint-delay': 2000 } }
>
> Above are all OK.Two VM syncing.
>
> Primary:
> { 'execute': 'x-blockdev-change', 'arguments': {'parent': 'colo-disk0',
> 'child': 'children.1'}}
> { 'execute': 'human-monitor-command','arguments': {'command-line':
> 'drive_del blk-buddy0'}}
>
> Secondary:
> { 'execute': 'nbd-server-stop' }
> { 'execute': 'x-colo-lost-heartbeat' }
>
> But When I execute x-colo-lost-heartbeat.Primary run Secondary cash
>
> { 'execute': 'nbd-server-stop' }
> {"return": {}}
> qemu-system-x86_64: Disconnect client, due to: Unexpected end-of-file
> before all bytes were read
> { 'execute': 'x-colo-lost-heartbeat' }
> {"return": {}}
> qemu-system-x86_64: Can't receive COLO message: Input/output error
> **
> ERROR:/build/qemu/src/qemu-2.11.1/qom/object.c:907:object_unref:
> assertion failed (obj->ref > 0): (0 > 0)
> [1] 2972 abort sudo /usr/bin/qemu-system-x86_64 -boot c
> -enable-kvm -m 2048 -smp 2 -qmp stdi
>
> ** Affects: qemu
> Importance: Undecided
> Status: New
>
>
> ** Tags: colo
>
> ** Description changed:
>
> I use Arch Linux x86_64
> - both qemu 2.11.1 Zhang Chen's(https://github.com/
> zhangckid/qemu/commits/colo-with-virtio-net-internal-jul10)
> + both qemu 2.11.1 and Zhang Chen's(https://github.com/
> zhangckid/qemu/commits/colo-with-virtio-net-internal-jul10)
> Following document 'COLO-FT.txt',
> I test colo feature on my hosts
>
> I run this command
> Primary:
> sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp
> stdio -name primary \
> -device piix3-usb-uhci \
> -device usb-tablet -netdev tap,id=hn0,vhost=off \
> -device virtio-net-pci,id=net-pci0,netdev=hn0 \
> -drive if=virtio,id=colo-disk0,driver=quorum,read-pattern=
> fifo,vote-threshold=1,children.0.file.filename=/var/
> lib/libvirt/images/1.raw,children.0.driver=raw -S
>
> Secondary:
> sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp stdio
> -name secondary \
> -device piix3-usb-uhci \
> -device usb-tablet -netdev tap,id=hn0,vhost=off \
> -device virtio-net-pci,id=net-pci0,netdev=hn0 \
> -drive if=none,id=colo-disk0,file.filename=/var/lib/libvirt/
> images/2.raw,driver=raw,node-name=node0 \
> -drive if=virtio,id=active-disk0,driver=replication,mode=secondary,\
> file.driver=qcow2,top-id=active-disk0,\
> file.file.filename=/mnt/ramfs/active_disk.img,\
> file.backing.driver=qcow2,\
> file.backing.file.filename=/mnt/ramfs/hidden_disk.img,\
> file.backing.backing=colo-disk0 \
> -incoming tcp:0:8888
>
> Secondary:
> {'execute':'qmp_capabilities'}
> { 'execute': 'nbd-server-start',
> - 'arguments': {'addr': {'type': 'inet', 'data': {'host':
> '192.168.0.33', 'port': '8889'} } }
> + 'arguments': {'addr': {'type': 'inet', 'data': {'host':
> '192.168.0.33', 'port': '8889'} } }
> }
> {'execute': 'nbd-server-add', 'arguments': {'device': 'colo-disk0',
> 'writable': true } }
>
> Primary:
> {'execute':'qmp_capabilities'}
> { 'execute': 'human-monitor-command',
> - 'arguments': {'command-line': 'drive_add -n buddy
> driver=replication,mode=primary,file.driver=nbd,file.
> host=192.168.0.33,file.port=8889,file.export=colo-disk0,
> node-name=nbd_client0'}}
> + 'arguments': {'command-line': 'drive_add -n buddy
> driver=replication,mode=primary,file.driver=nbd,file.
> host=192.168.0.33,file.port=8889,file.export=colo-disk0,
> node-name=nbd_client0'}}
> { 'execute':'x-blockdev-change', 'arguments':{'parent': 'colo-disk0',
> 'node': 'nbd_client0' } }
> { 'execute': 'migrate-set-capabilities',
> - 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state':
> true } ] } }
> + 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state':
> true } ] } }
> { 'execute': 'migrate', 'arguments': {'uri': 'tcp:192.168.0.33:8888' } }
> { 'execute': 'migrate-set-parameters' , 'arguments':{
> 'x-checkpoint-delay': 2000 } }
>
> Above are all OK.Two VM syncing.
>
> Primary:
> { 'execute': 'x-blockdev-change', 'arguments': {'parent': 'colo-disk0',
> 'child': 'children.1'}}
> { 'execute': 'human-monitor-command','arguments': {'command-line':
> 'drive_del blk-buddy0'}}
>
> Secondary:
> { 'execute': 'nbd-server-stop' }
> { 'execute': 'x-colo-lost-heartbeat' }
>
> But When I execute x-colo-lost-heartbeat.Primary run Secondary cash
>
> -
> - { 'execute': 'nbd-server-stop' }
> + { 'execute': 'nbd-server-stop' }
> {"return": {}}
> qemu-system-x86_64: Disconnect client, due to: Unexpected end-of-file
> before all bytes were read
> - { 'execute': 'x-colo-lost-heartbeat' }
> + { 'execute': 'x-colo-lost-heartbeat' }
> {"return": {}}
> qemu-system-x86_64: Can't receive COLO message: Input/output error
> **
> ERROR:/build/qemu/src/qemu-2.11.1/qom/object.c:907:object_unref:
> assertion failed (obj->ref > 0): (0 > 0)
> [1] 2972 abort sudo /usr/bin/qemu-system-x86_64 -boot c
> -enable-kvm -m 2048 -smp 2 -qmp stdi
>
> ** Tags added: colo
>
> --
> You received this bug notification because you are a member of qemu-
> devel-ml, which is subscribed to QEMU.
> https://bugs.launchpad.net/bugs/1754542
>
> Title:
> colo: secondary vm crash when execute x-colo-lost-heartbeat
>
> Status in QEMU:
> New
>
> Bug description:
> I use Arch Linux x86_64
> both qemu 2.11.1 and Zhang Chen's(https://github.com/
> zhangckid/qemu/commits/colo-with-virtio-net-internal-jul10)
> Following document 'COLO-FT.txt',
> I test colo feature on my hosts
>
> I run this command
> Primary:
> sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp
> stdio -name primary \
> -device piix3-usb-uhci \
> -device usb-tablet -netdev tap,id=hn0,vhost=off \
> -device virtio-net-pci,id=net-pci0,netdev=hn0 \
> -drive if=virtio,id=colo-disk0,driver=quorum,read-pattern=
> fifo,vote-threshold=1,children.0.file.filename=/var/
> lib/libvirt/images/1.raw,children.0.driver=raw -S
>
> Secondary:
> sudo qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qmp stdio
> -name secondary \
> -device piix3-usb-uhci \
> -device usb-tablet -netdev tap,id=hn0,vhost=off \
> -device virtio-net-pci,id=net-pci0,netdev=hn0 \
> -drive if=none,id=colo-disk0,file.filename=/var/lib/libvirt/
> images/2.raw,driver=raw,node-name=node0 \
> -drive if=virtio,id=active-disk0,driver=replication,mode=secondary,\
> file.driver=qcow2,top-id=active-disk0,\
> file.file.filename=/mnt/ramfs/active_disk.img,\
> file.backing.driver=qcow2,\
> file.backing.file.filename=/mnt/ramfs/hidden_disk.img,\
> file.backing.backing=colo-disk0 \
> -incoming tcp:0:8888
>
> Secondary:
> {'execute':'qmp_capabilities'}
> { 'execute': 'nbd-server-start',
> 'arguments': {'addr': {'type': 'inet', 'data': {'host':
> '192.168.0.33', 'port': '8889'} } }
> }
> {'execute': 'nbd-server-add', 'arguments': {'device': 'colo-disk0',
> 'writable': true } }
>
> Primary:
> {'execute':'qmp_capabilities'}
> { 'execute': 'human-monitor-command',
> 'arguments': {'command-line': 'drive_add -n buddy
> driver=replication,mode=primary,file.driver=nbd,file.
> host=192.168.0.34,file.port=8889,file.export=colo-disk0,
> node-name=nbd_client0'}}
> { 'execute':'x-blockdev-change', 'arguments':{'parent': 'colo-disk0',
> 'node': 'nbd_client0' } }
> { 'execute': 'migrate-set-capabilities',
> 'arguments': {'capabilities': [ {'capability': 'x-colo', 'state':
> true } ] } }
> { 'execute': 'migrate', 'arguments': {'uri': 'tcp:192.168.0.34:8888' } }
> { 'execute': 'migrate-set-parameters' , 'arguments':{
> 'x-checkpoint-delay': 2000 } }
>
> Above are all OK.Two VM syncing.
>
> Primary:
> { 'execute': 'x-blockdev-change', 'arguments': {'parent': 'colo-disk0',
> 'child': 'children.1'}}
> { 'execute': 'human-monitor-command','arguments': {'command-line':
> 'drive_del blk-buddy0'}}
>
> Secondary:
> { 'execute': 'nbd-server-stop' }
> { 'execute': 'x-colo-lost-heartbeat' }
>
> But When I execute x-colo-lost-heartbeat.Primary run Secondary cash
>
> { 'execute': 'nbd-server-stop' }
> {"return": {}}
> qemu-system-x86_64: Disconnect client, due to: Unexpected end-of-file
> before all bytes were read
> { 'execute': 'x-colo-lost-heartbeat' }
> {"return": {}}
> qemu-system-x86_64: Can't receive COLO message: Input/output error
> **
> ERROR:/build/qemu/src/qemu-2.11.1/qom/object.c:907:object_unref:
> assertion failed (obj->ref > 0): (0 > 0)
> [1] 2972 abort sudo /usr/bin/qemu-system-x86_64 -boot c
> -enable-kvm -m 2048 -smp 2 -qmp stdi
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/qemu/+bug/1754542/+subscriptions
>
>
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1754542
Title:
colo: vm crash with segmentation fault
Status in QEMU:
New
Bug description:
I use Arch Linux x86_64
Zhang Chen's(https://github.com/zhangckid/qemu/tree/qemu-colo-18mar10)
Following document 'COLO-FT.txt',
I test colo feature on my hosts
I run this command
Primary:
sudo /usr/local/bin/qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -qmp stdio -name primary \
-device piix3-usb-uhci \
-device usb-tablet -netdev tap,id=hn0,vhost=off \
-device virtio-net-pci,id=net-pci0,netdev=hn0 \
-drive if=virtio,id=primary-disk0,driver=quorum,read-pattern=fifo,vote-threshold=1,\
children.0.file.filename=/var/lib/libvirt/images/1.raw,\
children.0.driver=raw -S
Secondary:
sudo /usr/local/bin/qemu-system-x86_64 -enable-kvm -m 2048 -smp 2 -qmp stdio -name secondary \
-device piix3-usb-uhci \
-device usb-tablet -netdev tap,id=hn0,vhost=off \
-device virtio-net-pci,id=net-pci0,netdev=hn0 \
-drive if=none,id=secondary-disk0,file.filename=/var/lib/libvirt/images/2.raw,driver=raw,node-name=node0 \
-drive if=virtio,id=active-disk0,driver=replication,mode=secondary,\
file.driver=qcow2,top-id=active-disk0,\
file.file.filename=/mnt/ramfs/active_disk.img,\
file.backing.driver=qcow2,\
file.backing.file.filename=/mnt/ramfs/hidden_disk.img,\
file.backing.backing=secondary-disk0 \
-incoming tcp:0:8888
Secondary:
{'execute':'qmp_capabilities'}
{ 'execute': 'nbd-server-start',
'arguments': {'addr': {'type': 'inet', 'data': {'host': '192.168.0.34', 'port': '8889'} } }
}
{'execute': 'nbd-server-add', 'arguments': {'device': 'secondary-disk0', 'writable': true } }
Primary:
{'execute':'qmp_capabilities'}
{ 'execute': 'human-monitor-command',
'arguments': {'command-line': 'drive_add -n buddy driver=replication,mode=primary,file.driver=nbd,file.host=192.168.0.34,file.port=8889,file.export=secondary-disk0,node-name=nbd_client0'}}
{ 'execute':'x-blockdev-change', 'arguments':{'parent': 'primary-disk0', 'node': 'nbd_client0' } }
{ 'execute': 'migrate-set-capabilities',
'arguments': {'capabilities': [ {'capability': 'x-colo', 'state': true } ] } }
{ 'execute': 'migrate', 'arguments': {'uri': 'tcp:192.168.0.34:8888' } }
And two VM with cash
Primary:
{"timestamp": {"seconds": 1520763655, "microseconds": 511415}, "event": "RESUME"}
[1] 329 segmentation fault sudo /usr/local/bin/qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qm
Secondary:
{"timestamp": {"seconds": 1520763655, "microseconds": 510907}, "event": "RESUME"}
[1] 367 segmentation fault sudo /usr/local/bin/qemu-system-x86_64 -boot c -enable-kvm -m 2048 -smp 2 -qm
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1754542/+subscriptions
next prev parent reply other threads:[~2018-03-17 20:25 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-09 2:54 [Qemu-devel] [Bug 1754542] [NEW] colo: secondary vm crash when execute x-colo-lost-heartbeat 李穗恒
2018-03-09 3:08 ` [Qemu-devel] [Bug 1754542] " 李穗恒
2018-03-11 10:31 ` 李穗恒
2018-03-11 10:38 ` [Qemu-devel] [Bug 1754542] Re: colo: vm crash with segmentation fault 李穗恒
2018-03-12 0:39 ` 李穗恒
2018-03-12 0:58 ` 李穗恒
2018-03-17 20:14 ` Zhang Chen [this message]
2018-03-17 20:16 ` [Qemu-devel] [Bug 1754542] [NEW] colo: secondary vm crash when execute x-colo-lost-heartbeat Zhang Chen
2018-03-19 2:08 ` [Qemu-devel] [Bug 1754542] Re: colo: vm crash with segmentation fault 李穗恒
2018-03-21 6:04 ` Zhang Chen
2018-03-23 3:51 ` Li Zhijian
2018-03-23 8:34 ` Li Zhijian
2018-03-23 9:03 ` Zhang Chen
2018-03-20 9:18 ` 李穗恒
2018-03-20 9:19 ` 李穗恒
2018-03-22 7:31 ` 李穗恒
2018-03-22 7:39 ` 李穗恒
2018-06-03 16:28 ` Zhang Chen
2018-07-27 4:53 ` WANG Chao
2018-07-27 6:55 ` Zhang Chen
2018-07-27 10:35 ` WANG Chao
2018-08-07 11:53 ` Zhang Chen
2019-11-27 2:24 ` 李穗恒
2019-11-27 2:38 ` lee
2019-11-27 3:06 ` Zhang Chen
2019-11-27 6:35 ` lee
2019-11-27 2:41 ` lee
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