Bug 603010 - unable to see video playback on dual head
Summary: unable to see video playback on dual head
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: xorg-x11-drv-intel
Version: 6.0
Hardware: All
OS: Linux
Target Milestone: rc
: ---
Assignee: Adam Jackson
QA Contact: desktop-bugs@redhat.com
Depends On:
TreeView+ depends on / blocked
Reported: 2010-06-11 09:16 UTC by Lubos Kocman
Modified: 2010-06-12 16:33 UTC (History)
0 users

Clone Of:
Last Closed: 2010-06-12 16:33:33 UTC

Attachments (Terms of Use)
screenshot of deffect (726.36 KB, image/png)
2010-06-11 09:16 UTC, Lubos Kocman
no flags Details
Xorg.log (124.80 KB, text/plain)
2010-06-11 09:17 UTC, Lubos Kocman
no flags Details

Description Lubos Kocman 2010-06-11 09:16:14 UTC
Created attachment 423179 [details]
screenshot of deffect

Description of problem:

I'm unable to see video playback (using totem/any video playback) while using dual head, sound playback continues to play. I'm able to see continuous video playback after unplugging extended display.

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


How reproducible:

Steps to Reproduce:
Actual results:

Expected results:

Additional info:

[lkocman@dhcp-31-5 Desktop]$ lspci | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)

[lkocman@dhcp-31-5 Desktop]$ xrandr
Screen 0: minimum 320 x 200, current 2704 x 1050, maximum 4096 x 4096
LVDS1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 246mm x 185mm
   1024x768       50.0*+   60.0     40.0  
   800x600        60.3     56.2  
   848x480        60.0  
   640x480        60.0     59.9  
VGA1 connected 1680x1050+1024+0 (normal left inverted right x axis y axis) 474mm x 296mm
   1680x1050      60.0*+
   1600x1200      60.0  
   1400x1050      60.0  
   1280x1024      75.0  
   1440x900       75.0     59.9  
   1280x960       60.0  
   1280x800       59.8  
   1152x864       75.0  
   1024x768       75.1     75.0     70.1     60.0  
   832x624        74.6  
   800x600        72.2     75.0     60.3     56.2  
   640x480        72.8     75.0     66.7     60.0  
   720x400        70.1

Comment 1 Lubos Kocman 2010-06-11 09:17:11 UTC
Created attachment 423180 [details]

Comment 2 Lubos Kocman 2010-06-11 09:19:28 UTC
Steps how to reproduce:

1. Connect Extended display to a laptop (Thinkpad X60s/i686 in my case) with suitable video card.
2. Open any video playback in Totem (doesn't matter which display is used)

Expected result:

continuous video playback

Actual result:

blackout in totem

Comment 4 RHEL Product and Program Management 2010-06-11 09:43:07 UTC
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release.  Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release.  This request is not yet committed for

Comment 5 Matěj Cepl 2010-06-11 12:10:34 UTC
Could we get an output of dmesg command right after the problem with video happens, please?

Thank you

Comment 6 Lubos Kocman 2010-06-11 15:41:28 UTC
Dual head issue is no more problem after updating to xorg-x11-server-Xorg-1.7.7-{8,9}.el6.i686

Comment 7 Matěj Cepl 2010-06-12 16:33:33 UTC
Thank you for letting us know.

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