Red Hat Bugzilla – Bug 473314
radeon r300 unstable with modesetting
Last modified: 2018-04-11 14:30:15 EDT
Thinkpad t42p laptop here with a r300 radeon in it. F10 comes up fine and looks ok, but when running some applications there are random redraws that hide part of the app.
The /var/log/Xorg.0.log had in it:
RADEON DRM CS failure - corruptions/glitches may occur -22
bufmgr: last submission : r:207552 vs g:22016000 w:39398400 vs v:42983424
Unfortunately the Xorg.0.log got overwritten after booting with nomodeset. ;(
Will attach the completely stock xorg.conf.
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf) and X server log file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf whatsoever and let X11 autodetect your display and video card? Attach to this bug /var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 326773 [details]
Created attachment 326774 [details]
Same problem here. I also see artifacts when alt-tabbing through windows list. (This is all under compiz.)
Created attachment 327073 [details]
Here's the Xorg.0.log from a normal bootup.
Created attachment 327074 [details]
xorg.conf from machine
Here's the xorg.conf file.
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I'm able to not use nomodeset on the laptop now, so this can be closed.