Bug 35835 - screen corruption using radeon 6.14.1 with an external monitor
Summary: screen corruption using radeon 6.14.1 with an external monitor
Status: RESOLVED INVALID
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/Radeon (show other bugs)
Version: unspecified
Hardware: Other All
: medium normal
Assignee: xf86-video-ati maintainers
QA Contact: Xorg Project Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-03-31 06:51 UTC by Christopher Stender
Modified: 2018-06-12 19:08 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:


Attachments
corruption1: top in xterm shows ~250px from the left twice (261.69 KB, image/jpeg)
2011-03-31 06:53 UTC, Christopher Stender
no flags Details
corruption2: kde logout dialog (291.97 KB, image/jpeg)
2011-03-31 06:54 UTC, Christopher Stender
no flags Details
Xorg logfile (49.24 KB, text/plain)
2011-03-31 06:55 UTC, Christopher Stender
no flags Details

Description Christopher Stender 2011-03-31 06:51:05 UTC
While most things run pretty well I sometimes see some screen corruptions (~200px from the left are copied to the right). The corruption happens when I start an xterm for the first time or when I maximize an xterm and run a program like top (see corruption 1), or when I hit the logout button in KDE (see corruption2).

My setup looks like the following: Thinkpad T60 (ATI X1400 GPU) with an internal LCD (1400x1050 resolution, _disabled_) + an external DVI-connected LG W2220P display (1680x1050 resolution, _enabled_, primary).

Maybe it's just coincidence, but it looks like the corruption starts at a x_pos of about 1400 pixel (the x resolution of the internal but disabled LCD).

The old 6.13.2 driver doesn't show this problem.

Using the "ColorTiling false" option fixes the problem for me, but I'm not sure if it should be used or not.

I already tried the xorg-patch mentioned in bug fdo#33929 but it doesn't help.

The rest of my setup: kernel 2.6.28, openSUSE 11.4, x11-server 1.9.3
Comment 1 Christopher Stender 2011-03-31 06:53:37 UTC
Created attachment 45090 [details]
corruption1: top in xterm shows ~250px from the left twice
Comment 2 Christopher Stender 2011-03-31 06:54:30 UTC
Created attachment 45091 [details]
corruption2: kde logout dialog
Comment 3 Christopher Stender 2011-03-31 06:55:51 UTC
Created attachment 45092 [details]
Xorg logfile
Comment 4 Michel Dänzer 2011-03-31 07:12:42 UTC
Could be bug 33929. Does

    Option "ColorTiling" "off"

work around the problem?
Comment 5 Christopher Stender 2011-03-31 07:39:38 UTC
(In reply to comment #4)
> Could be bug 33929. Does
> 
>     Option "ColorTiling" "off"
> 
> work around the problem?

Yes, as I wrote in my initial posting the option work around the problem. I also tried the patch from bug 33929 but it doesn't help.
Comment 6 Christopher Stender 2011-04-18 03:19:48 UTC
I tested Kubuntu 11.04 Beta2 yesterday. Same problem there. Any other ideas?
Comment 7 Alex Deucher 2012-04-25 06:05:28 UTC
Is this still an issue with a newer driver/kernel?
Comment 8 Adam Jackson 2018-06-12 19:08:46 UTC
Mass closure: This bug has been untouched for more than six years, and is not
obviously still valid. Please reopen this bug or file a new report if you continue to experience issues with current releases.


Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.