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Cause: race condition when spice-vdagent is started in the guest and the client connects to it
Consequence: if the 1st monitor was disabled, it could sometimes be wrongly reenabled after restarting spice-vdagentd
Fix: delay sending monitor configuration when an agent connects so that we get a chance to negociate client/agent capabilities first
Result: first display no longer gets wrongly reenabled
Created attachment 827084[details]
Spice debug log file
Description
Additional display pop out when restarting service spice-vdagentd in guest
Version:
libvirt-0.10.2-29.el6.1.x86_64
virt-viewer-0.5.6-8.el6.x86_64
spice-gtk-python-0.20-11.el6.x86_64
spice-xpi-2.7-24.el6.x86_64
spice-vdagent-0.14.0-2.el6.x86_64
spice-glib-0.20-11.el6.x86_64
spice-gtk-0.20-11.el6.x86_64
spice-server-0.12.4-6.el6.x86_64
How reproducible:
100%
Steps to Reproduce:
1.Prepare a spice guest with qxl and spicevmc,install spice-vdagent in guest.
2.Boot the guest,use virt-viewer to launch the guest,disable display 1 and enable other displays,eg display 2.
# virt-viewer $guest
3.Restart service spice-vdagentd in guest.
4.Display 1 will pop out.
Actual results：
As description.
Expected results:
No additional display pop out when restarting service spice-vdagentd in guest.
Additional info:
1.If enable display 1,then restart service spice-vdagentd in guest,no additional display pop out.
2.Disable display 1,enable display 3 or 4,restart service spice-vdagentd in guest,display 1 will pop put.
3.The issue can not be reproduced on rhel7.
Comment 1Marc-Andre Lureau
2014-06-04 12:47:20 UTC
I can't reproduce with:
virt-viewer-0.6.0-2.el6
spice-vdagent-0.14.0-3.el6_5.x86_64
xorg-x11-drv-qxl-0.1.1-12.el6.x86_64
Please check with more recent vdagent & qxl, or if virt-viewer-0.6.0-2.el6 update fixed the issue. thanks
(In reply to Marc-Andre Lureau from comment #1)
> I can't reproduce with:
>
> virt-viewer-0.6.0-2.el6
> spice-vdagent-0.14.0-3.el6_5.x86_64
> xorg-x11-drv-qxl-0.1.1-12.el6.x86_64
>
> Please check with more recent vdagent & qxl, or if virt-viewer-0.6.0-2.el6
> update fixed the issue. thanks
I tested with:
spice-vdagent-0.14.0-3.el6_5.x86_64
xorg-x11-drv-qxl-0.1.1-12.el6.x86_64
virt-viewer-0.6.0-4.el6.x86_64
The bug can still be reproduced.
Comment 3Marc-Andre Lureau
2014-06-05 08:20:02 UTC
How do you restart vdagent?
Can you provide xrandr before and after the restart?
thanks
I also cannot reproduce the issue here with latest RHEL6 as guest:
spice-vdagent-0.14.0-3.el6.x86_64
xorg-x11-drv-qxl-0.1.1-12.el6.x86_64
And F20 as host (using upstream virt-viewer)
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2015-1322.html
Created attachment 827084 [details] Spice debug log file Description Additional display pop out when restarting service spice-vdagentd in guest Version: libvirt-0.10.2-29.el6.1.x86_64 virt-viewer-0.5.6-8.el6.x86_64 spice-gtk-python-0.20-11.el6.x86_64 spice-xpi-2.7-24.el6.x86_64 spice-vdagent-0.14.0-2.el6.x86_64 spice-glib-0.20-11.el6.x86_64 spice-gtk-0.20-11.el6.x86_64 spice-server-0.12.4-6.el6.x86_64 How reproducible: 100% Steps to Reproduce: 1.Prepare a spice guest with qxl and spicevmc,install spice-vdagent in guest. 2.Boot the guest,use virt-viewer to launch the guest,disable display 1 and enable other displays,eg display 2. # virt-viewer $guest 3.Restart service spice-vdagentd in guest. 4.Display 1 will pop out. Actual results： As description. Expected results: No additional display pop out when restarting service spice-vdagentd in guest. Additional info: 1.If enable display 1,then restart service spice-vdagentd in guest,no additional display pop out. 2.Disable display 1,enable display 3 or 4,restart service spice-vdagentd in guest,display 1 will pop put. 3.The issue can not be reproduced on rhel7.