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Bug 1594876

Summary: spice-vdagent print error messages to systemd journal when selecting text on host
Product: Red Hat Enterprise Linux 7 Reporter: Tomas Hudziec <thudziec>
Component: spice-vdagentAssignee: Victor Toso <victortoso>
Status: CLOSED ERRATA QA Contact: SPICE QE bug list <spice-qe-bugs>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.6CC: cfergeau, dblechte, fziglio, jkoten, rduda, spice-qe-bugs, tpelka, victortoso
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: spice-vdagent-0.14.0-18.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-08-06 13:07:26 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Tomas Hudziec 2018-06-25 15:22:32 UTC 
Description of problem:
spice-vdagent prints error messages to systemd journal on virtual machine, when selecting text in gedit and selecting cells in Libre Office Calc on host.

Version-Release number of selected component (if applicable):
spice-vdagent-0.14.0-15.el7.x86_64
gedit-3.28.1-1.el7.x86_64
libreoffice-calc-5.3.6.1-16.el7.x86_64

How reproducible:
always

Steps to Reproduce:
1. start virtual machine
2. run $ sudo journalctl -f in virtual machine
3. open gedit on host machine
4. write some text
5. select some text in gedit by moving mouse

Actual results:
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: selection requests pending on clipboard ownership change, clearing
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: selection requests pending on clipboard ownership change, clearing
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: selection requests pending on clipboard ownership change, clearing
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: received clipboard data without an outstanding selection request, ignoring
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: selection requests pending on clipboard ownership change, clearing
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: received clipboard data without an outstanding selection request, ignoring
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: received selection request event for target TARGETS, while not owning client clipboard
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: received selection request event for target TARGETS, while not owning client clipboard
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: received selection request event for target TARGETS, while not owning client clipboard
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: received selection request event for target TARGETS, while not owning client clipboard
Jun 25 17:04:59 localhost.localdomain spice-vdagent[14413]: primary: received selection request event for target TARGETS, while not owning client clipboard
...

Expected results:
No errors should be printed to systemd journal.

Additional info:
Selecting text in terminal, firefox, LO Writer does not produce errors.
Comment 2 Christophe Fergeau 2018-06-27 15:27:52 UTC 
These messages have been silenced upstream by https://gitlab.freedesktop.org/spice/linux/vd_agent/commit/d39230cee236bc6b8b150c7687d49a46f519bd2b
However, I'm not sure we are supposed to get such messages unless there is something buggy somewhere in the stack.
Comment 3 Victor Toso 2018-12-14 13:01:02 UTC 
Could you please clarify on what client are you using? Fedora/RHEL, GNOME/KDE, versions.
Comment 4 Tomas Hudziec 2018-12-18 15:49:30 UTC 
It was RHEL 7.6 with GNOME 3.26 I think.
Comment 5 Victor Toso 2018-12-19 17:03:31 UTC 
(In reply to Tomas Hudziec from comment #4)
> It was RHEL 7.6 with GNOME 3.26 I think.

Can you still reproduce easily? I think this was fixed by

https://lists.freedesktop.org/archives/spice-devel/2018-December/046532.html

And I backported and tested with temporary scratch build

https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=19582603

Would be great if you can test it out in case you can easily reproduce it.
Comment 6 Tomas Hudziec 2019-01-03 15:33:07 UTC 
Jirko, please try to reproduce it on your 7.6. Thank you
Comment 7 Jiri Koten 2019-01-04 16:18:47 UTC 
(In reply to Victor Toso from comment #5)
> (In reply to Tomas Hudziec from comment #4)
> 
> And I backported and tested with temporary scratch build
> 
> https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=19582603
> 
> Would be great if you can test it out in case you can easily reproduce it.

Can you please make a new scratch build? This one is no longer available.
Comment 8 Victor Toso 2019-04-01 08:53:55 UTC 
Fixed by

> commit 3aff78399ff4c6e69d45781e1383ff175629eb03
> Author: Jakub Janků <jjanku>
> Date:   Thu Feb 21 21:25:57 2019 +0100
>
>    x11: invalidate requests for targets on grab from client
>    
>    If XSetSelectionOwner() is invoked during the time
>    we are waiting for the requested clipboard targets,
>    the targets we eventually receive are no longer valid.
>    
>    To solve this, ignore the same count of target notifications
>    as we expected at the time we received grab from the client.
>    
>    Otherwise we end up in a situation when vdagent holds
>    the clipboard grab in the guest but cannot provide data to the
>    apps that request it - this can be observed in the log:
>    
>        clipboard: received selection request event for target *, while not owning client clipboard
>    
>    Signed-off-by: Jakub Janků <jjanku>
>    Acked-by: Victor Toso <victortoso>
Comment 13 errata-xmlrpc 2019-08-06 13:07:26 UTC 
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://access.redhat.com/errata/RHSA-2019:2229