Hi, could you help to check whether it's a bug or not?
It's a problem that virt-manager and virt-viewer race for console connection.
Thank you!
xiaodwan
---------- Forwarded message ---------
From: Meina Li <meili@xxxxxxxxxx>
Date: Wed, Mar 6, 2019 at 5:27 PM
Subject: [s3-bug-review] Remote-viewer will disconnect after migration back in seamless SPICE migration when there already has another guest client opened by virt-manager
To: <spice-devel@xxxxxxxxxx>, Xiaodai Wang <xiaodwan@xxxxxxxxxx>
Cc: s3-bug-review <s3-bug-review@xxxxxxxxxx>, Fangge Jin <fjin@xxxxxxxxxx>, Yanqiu Zhang <yanqzhan@xxxxxxxxxx>, Junqin Zhou <juzhou@xxxxxxxxxx>
From: Meina Li <meili@xxxxxxxxxx>
Date: Wed, Mar 6, 2019 at 5:27 PM
Subject: [s3-bug-review] Remote-viewer will disconnect after migration back in seamless SPICE migration when there already has another guest client opened by virt-manager
To: <spice-devel@xxxxxxxxxx>, Xiaodai Wang <xiaodwan@xxxxxxxxxx>
Cc: s3-bug-review <s3-bug-review@xxxxxxxxxx>, Fangge Jin <fjin@xxxxxxxxxx>, Yanqiu Zhang <yanqzhan@xxxxxxxxxx>, Junqin Zhou <juzhou@xxxxxxxxxx>
Hi all,
I encountered a issue when I test seamless SPICE migration. Is anyone can help me review this question? Thank you very much.
Description of problem:
Remote-viewer will disconnect after migration back in seamless SPICE migration when there already has another guest client opened by virt-manager
Version-Release number of selected component (if applicable):
libvirt-4.5.0-23.module+el8+2800+2d311f65.x86_64
qemu-kvm-2.12.0-63.module+el8+2833+c7d6d092.x86_64
virt-manager-2.0.0-4.el8.noarch
virt-viewer-7.0-2.el8.x86_64
How reproducible:
100%
Steps to Reproduce:
1. Prepare migration env: Migration env setup
2. Dispatch ssh public key of source host to target host and vice versa.
# ssh-keygen -t rsa
# ssh-copy-id -i ~/.ssh/id_rsa.pub root@$target_ip
3. Prepare a guest with spice graphic
<graphics type='spice' autoport='yes' listen='0.0.0.0'/>
<video><model type='qxl' vram='65536' heads='1'/>
</video>
4. Open a guest client connection by virt-manager on source host.
5. Connect to guest client by remote-viewer on source host:
# remote-viewer spice://{source hostA_ip}:port
--->At this time, the client opened by virt-manager in step4 will disconnect, it's expected.
6. Do migration from source host to target host and check spice client status. Spice client still alive.
# virsh migrate guest qemu+ssh://{target hostB_ip}/system --live --verbose --p2p --tunnelled
Migration: [100 %]
7. Migration back and check spice client status again.
# virsh migrate guest qemu+ssh://{source hostA_ip}/system --live --verbose --p2p --tunnelled
Migration: [100 %]
Actual results:
In step7, after the migration finish, the spice client will disconnect and the client opened in step 4 will connect
Expected results:
The spice client still alive
Additional info:
# vim ~/.cache/virt-manager/virt-manager.log[Wed, 06 Mar 2019 04:20:21 virt-manager 13729] DEBUG (console:827) Viewer disconnected
[Wed, 06 Mar 2019 04:20:33 virt-manager 13729] DEBUG (connection:745) domain lifecycle event: domain=lmn80-gui state=VIR_DOMAIN_EVENT_SUSPENDED reason=VIR_DOMAIN_EVENT_SUSPENDED_MIGRATED
[Wed, 06 Mar 2019 04:20:33 virt-manager 13729] DEBUG (console:713) Starting connect process for proto=spice trans= connhost=127.0.0.1 connuser= connport= gaddr=0.0.0.0 gport=5900 gtlsport=None gsocket=None
[Wed, 06 Mar 2019 04:20:33 virt-manager 13729] ERROR (console:732) Error connection to graphical console
Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/console.py", line 730, in _init_viewer
self._viewer.console_open()
File "/usr/share/virt-manager/virtManager/viewers.py", line 233, in console_open
return self._open()
File "/usr/share/virt-manager/virtManager/viewers.py", line 148, in _open
fd = self._get_fd_for_open()
File "/usr/share/virt-manager/virtManager/viewers.py", line 142, in _get_fd_for_open
return self._vm.open_graphics_fd()
File "/usr/share/virt-manager/virtManager/domain.py", line 1091, in open_graphics_fd
return self._backend.openGraphicsFD(0, flags)
File "/usr/lib64/python3.6/site-packages/libvirt.py", line 1886, in openGraphicsFD
if ret == -1: raise libvirtError ('virDomainOpenGraphicsFD() failed', dom=self)
libvirt.libvirtError: invalid argument: monitor must not be NULL
[Wed, 06 Mar 2019 04:20:33 virt-manager 13729] DEBUG (connection:820) node device lifecycle event: nodedev=net_vnet0_fe_54_00_be_42_bd state=VIR_NODE_DEVICE_EVENT_DELETED reason=0
[Wed, 06 Mar 2019 04:20:33 virt-manager 13729] DEBUG (connection:745) domain lifecycle event: domain=lmn80-gui state=VIR_DOMAIN_EVENT_STOPPED reason=VIR_DOMAIN_EVENT_STOPPED_MIGRATED
[Wed, 06 Mar 2019 04:20:33 virt-manager 13729] DEBUG (connection:1142) nodedev=net_vnet0_fe_54_00_be_42_bd removed
[Wed, 06 Mar 2019 04:20:42 virt-manager 13729] DEBUG (connection:820) node device lifecycle event: nodedev=net_vnet0_fe_54_00_be_42_bd state=VIR_NODE_DEVICE_EVENT_CREATED reason=0
[Wed, 06 Mar 2019 04:20:42 virt-manager 13729] DEBUG (connection:760) domain agent lifecycle event: domain=lmn80-gui state=VIR_CONNECT_DOMAIN_EVENT_AGENT_LIFECYCLE_STATE_DISCONNECTED reason=1
[Wed, 06 Mar 2019 04:20:42 virt-manager 13729] DEBUG (console:713) Starting connect process for proto=spice trans= connhost=127.0.0.1 connuser= connport= gaddr=0.0.0.0 gport=5900 gtlsport=None gsocket=None
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (connection:745) domain lifecycle event: domain=lmn80-gui state=VIR_DOMAIN_EVENT_STARTED reason=VIR_DOMAIN_EVENT_STARTED_MIGRATED
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (connection:760) domain agent lifecycle event: domain=lmn80-gui state=VIR_CONNECT_DOMAIN_EVENT_AGENT_LIFECYCLE_STATE_DISCONNECTED reason=2
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (connection:745) domain lifecycle event: domain=lmn80-gui state=VIR_DOMAIN_EVENT_RESUMED reason=VIR_DOMAIN_EVENT_RESUMED_MIGRATED
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (connection:760) domain agent lifecycle event: domain=lmn80-gui state=VIR_CONNECT_DOMAIN_EVENT_AGENT_LIFECYCLE_STATE_DISCONNECTED reason=2
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (viewers:593) Requesting fd for channel: <SpiceClientGLib.UsbredirChannel object at 0x7fc0ec59de58 (SpiceUsbredirChannel at 0x5608351e9c70)>
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (viewers:593) Requesting fd for channel: <SpiceClientGLib.UsbredirChannel object at 0x7fc0ec59de58 (SpiceUsbredirChannel at 0x560835243e90)>
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (viewers:593) Requesting fd for channel: <SpiceClientGLib.RecordChannel object at 0x7fc0ec59de58 (SpiceRecordChannel at 0x560835265eb0)>
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (viewers:593) Requesting fd for channel: <SpiceClientGLib.PlaybackChannel object at 0x7fc0ec59de58 (SpicePlaybackChannel at 0x56083524fba0)>
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (viewers:593) Requesting fd for channel: <SpiceClientGLib.DisplayChannel object at 0x7fc0ec59de58 (SpiceDisplayChannel at 0x560835250680)>
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (console:836) Viewer connected
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (viewers:593) Requesting fd for channel: <SpiceClientGLib.CursorChannel object at 0x7fc0ec786ea0 (SpiceCursorChannel at 0x560835251500)>
[Wed, 06 Mar 2019 04:20:46 virt-manager 13729] DEBUG (viewers:593) Requesting fd for channel: <SpiceClientGLib.InputsChannel object at 0x7fc0ec786ea0 (SpiceInputsChannel at 0x5608352529e0)>
Best Regards,
Meina Li
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