Bug 539936
Summary: | Regression in R300 KMS : switching to LVDS non native resolution results in lost sync | ||||||||||||||||||
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Product: | [Fedora] Fedora | Reporter: | Bernard Godard <bernard.godard> | ||||||||||||||||
Component: | xorg-x11-drv-ati | Assignee: | Dave Airlie <airlied> | ||||||||||||||||
Status: | CLOSED RAWHIDE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||||||||||||||
Severity: | medium | Docs Contact: | |||||||||||||||||
Priority: | low | ||||||||||||||||||
Version: | rawhide | CC: | bjaglin, dougsland, gansalmon, itamar, kernel-maint, mcepl, rderooy, xgl-maint | ||||||||||||||||
Target Milestone: | --- | Keywords: | Triaged | ||||||||||||||||
Target Release: | --- | ||||||||||||||||||
Hardware: | i686 | ||||||||||||||||||
OS: | Linux | ||||||||||||||||||
Whiteboard: | card_R420/mM | ||||||||||||||||||
Fixed In Version: | Doc Type: | Bug Fix | |||||||||||||||||
Doc Text: | Story Points: | --- | |||||||||||||||||
Clone Of: | Environment: | ||||||||||||||||||
Last Closed: | 2010-01-31 21:41:11 UTC | Type: | --- | ||||||||||||||||
Regression: | --- | Mount Type: | --- | ||||||||||||||||
Documentation: | --- | CRM: | |||||||||||||||||
Verified Versions: | Category: | --- | |||||||||||||||||
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||||||||||||||
Cloudforms Team: | --- | Target Upstream Version: | |||||||||||||||||
Embargoed: | |||||||||||||||||||
Attachments: |
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Description
Bernard Godard
2009-11-21 17:13:36 UTC
Created attachment 372764 [details]
dmesg
Created attachment 372765 [details]
/var/log/messages
Created attachment 372766 [details]
glxinfo
Created attachment 372767 [details]
xorg.log
Created attachment 372768 [details]
xdpyinfo
Created attachment 372770 [details]
xrandr -q
Created attachment 372771 [details]
lspci -vvvxxx
I seem to be having the same problem on a ThinkPad T41 with RV250. Lowering the LVDS resolution from its native 1400x1050 results in a black display with glowing white spots and some lines. This can be triggered by using mirror display with an external display at lower resolution, or as mentioned by starting something like extremetuxracer which lowers the resolution to 800x600. Just tried on my T40p the latest drm-radeon-testing and ddx, and the problem is reproducable. 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV250 [Mobility FireGL 9000] (rev 02) I can't reproduce the problem on a vanilla 2.6.31 since xrandr allows only the native resolution; etracer runs OK but occupies only part of the screen (the center). This problem was partly addressed in a recent patch in drm-radeon-testing: http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commit;h=161c7aba9b5fcf7c7d856c1b463bc61286beabcc Non-native resolutions work fine for me now, both in aspect and in center "scaling mode", except 640x480 which works only in center: I get a black screen when using aspect. This is however not the same glowing+horizontal lines effect I had before the patch. changed component from kernel to xorg-x11-drv-ati as this seems more in line with other ATI bug reports even though this is KERNEL mode setting. This issue is solved for me with kernel-2.6.32.3-24.fc12.i686 from Koji http://koji.fedoraproject.org/koji/buildinfo?buildID=150696 At the moment, I am running on same hardware FC12 64 bits version + updates from testing and kernel-2.6.32.3-24.fc12.x86_64 from Koji http://koji.fedoraproject.org/koji/buildinfo?buildID=150696 with dependencies and the problem seems solved. Thank you for letting us know. |