Bug 861106 - X Test Day: Video breaks when secondary monitor is connected
X Test Day: Video breaks when secondary monitor is connected
Product: Fedora
Classification: Fedora
Component: xorg-x11-drv-nouveau (Show other bugs)
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: Ben Skeggs
Fedora Extras Quality Assurance
Depends On:
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Reported: 2012-09-27 10:10 EDT by Jaroslav Škarvada
Modified: 2015-02-17 09:28 EST (History)
9 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2015-02-17 09:28:44 EST
Type: Bug
Regression: ---
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
dmesg (76.24 KB, text/plain)
2012-09-27 10:27 EDT, Jaroslav Škarvada
no flags Details
Xorg.log (27.03 KB, text/plain)
2012-09-27 10:29 EDT, Jaroslav Škarvada
no flags Details

  None (edit)
Description Jaroslav Škarvada 2012-09-27 10:10:22 EDT
Description of problem:
When secondary monitor (Samsung SyncMaster 2243 through VGA cable) is connected to Dell Latitute D620 laptop, the video breaks - it starts showing artifacts / garbled output, and the desktop become unusable. The problem persist even after disconnection of the external monitor, X restart is needed. I encounter this problem during X Test Week (nouveau).

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Start gnome-shell
2. Connect external monitor
Actual results:
Video breaks.

Expected results:
Video works normally.

Additional info:
Quadro NVS 110M video card, smolt profile for the machine: http://www.smolts.org/client/show/pub_c7d88856-a286-4c4d-a41f-22c5971e6105
Comment 1 Jaroslav Škarvada 2012-09-27 10:20:51 EDT
It works correctly if X is restarted with monitor connected
Comment 2 Jaroslav Škarvada 2012-09-27 10:23:51 EDT
(In reply to comment #1)
> It works correctly if X is restarted with monitor connected

yup, it doesn't. It seems to be OK on the first look, but the video break on firefox maximization.
Comment 3 Jaroslav Škarvada 2012-09-27 10:27:38 EDT
Created attachment 618118 [details]
Comment 4 Jaroslav Škarvada 2012-09-27 10:29:29 EDT
Created attachment 618120 [details]
Comment 5 Tim Flink 2012-11-30 15:43:03 EST
Unless I'm missing something, I don't see how this qualifies as a blocker for F18. It sounds like the laptop's display functions correctly when used by itself but issues appear if a secondary monitor is connected.

If I'm missing something here, please list the F18 release criterion (alpha, beta or final) that this bug violates or at least a justification why this bug should block the release of F18.


-1 blocker
Comment 6 Adam Williamson 2012-12-01 03:31:35 EST
agreed with tflink, single system bugs are rarely blockers, and *certainly* multi-head only single-system bugs aren't.
Comment 7 Jaroslav Reznik 2012-12-03 05:34:06 EST
Agreed, it's definitely bug but related to custom combination of HW, system boots, desktop is usable on the primary head. And restarting X fixes the issue partially.

-1 blocker
Comment 8 Kevin Fenzi 2012-12-04 18:48:04 EST
-1 blocker.
Comment 9 Robyn Bergeron 2012-12-05 01:03:16 EST
-1 blocker, jreznik's comment is spot on.
Comment 10 Tim Flink 2012-12-05 10:18:42 EST
I count -5 blocker. Moving to rejected
Comment 11 Martin 2013-06-11 12:12:17 EDT
Jaro, are you able to reproduce it on latest Fedora 18 or 19?
Comment 12 Jaroslav Škarvada 2013-06-21 05:26:40 EDT
I think the problem is related to the bug 924385. The effect is nearly the same, but triggered by connection of secondary monitor. It seems to be reproducible only in the gnome-shell. It works correctly in Xfce.
Comment 13 Fedora End Of Life 2015-01-09 12:23:25 EST
This message is a notice that Fedora 19 is now at end of life. Fedora 
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Comment 14 Fedora End Of Life 2015-02-17 09:28:44 EST
Fedora 19 changed to end-of-life (EOL) status on 2015-01-06. Fedora 19 is
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