Red Hat Bugzilla – Bug 454276
glxgears video corruption on radeon x1050 dualhead dual dvi
Last modified: 2009-07-14 13:32:12 EDT
Description of problem:
Running glxgears on a dualhead setup, everything looks great until I move the
glxgears window into the right side of the right monitor. Any part of the
glxgears window overlapping that area area (past about column 1050 - both
displays being 1600x1200) displays as corrupt (see attached png if you care -
xwd caught the corruption).
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. run glxgears
2. drag glxgears to the right side of the right monitor
Corrupt image where window overlaps the (approximately) right third of the right
nifty spinning gears like everywhere else on the monitor.
Created attachment 311142 [details]
Created attachment 311143 [details]
Created attachment 311145 [details]
Created attachment 311146 [details]
DRI is disabled as soon as you enable Xinerama.
Please use the xrandr-style xorg.conf (or no xorg.conf at all) to get DRI.
The corruption you experience is probably due to your video card not having enough memory.
Please confirm that the attached log is from your video card (9200SE 128MB according to the log, not X1050).
Fedora Bugzappers volunteer triage team
Created attachment 332815 [details]
Created attachment 332816 [details]
Firstly, thank you for looking at my bug.
Secondly, I must apologize. I somehow managed to post incorrect Xorg.0.log and xorg.conf files - files which correspond to my previous dual-head solution, which used two cards and Xinerema, and thus did not support DRI or glx. Something in Fedora 9 broke that solution (I seem to recall Xinerama didn't work), and so I got my current card - sold under the name X1050, but showing up in lspci as "ATI Technologies Inc RV350 AR [Radeon 9600]" (which seems to make sense according to wikipedia). I've attached new Xorg.0.log and xorg.conf files.
If the problem is simply that the card has insufficient memory, is there somewhere I can see that in these log files? Also, how can I calculate how much memory I need for 3d support at a given resolution?
Thanks for updating the logs.
For maintainer : I can reproduce the corruption using a FireGL V3100 (128MB) but not on my V7100 (256MB) (3200x1200 on both cases).
Fedora Bugzappers volunteer triage team
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