Red Hat Bugzilla – Bug 609284
Performance regression with xorg-x11-server-Xorg-1.8.0-17.fc13.x86_64 on ATI X1600 (RV530)
Last modified: 2018-04-11 06:15:00 EDT
Created attachment 427789 [details]
xorg.log from session with updated (broken) package
Description of problem:
Latest xorg upgrade caused very poor performance, including tearing of windows, slow updates of large screen areas, graphics corruption of unfocussed windows. Downgrading to 1.8.0-12 fixed the problem.
Version-Release number of selected component (if applicable):
Rebooted system a couple of times just to check - GDM login screen is affected as is Gnome session.
Steps to Reproduce:
1. Update xorg-x11-xserver-Xorg to 1.8.0-17 via yum update
2. Restart X
3. Observe poor graphics performance
Graphics corruption and slow redraws.
X ought to work just as well as before, if not even better
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 add drm.debug=0x04 to the kernel command line, restart computer, and attach
* your X server config file (/etc/X11/xorg.conf, if available),
* output of the dmesg command, and
* system log (/var/log/messages)
to the bug report as individual uncompressed file attachments using the bugzilla file attachment link above.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 428065 [details]
Screen capture of graphics corruption in Gnome session
Created attachment 428066 [details]
output from dmesg with drm.debug=0x04
Created attachment 428067 [details]
/var/log/messages with drm.debug=0x04
Created attachment 428068 [details]
Created attachment 428069 [details]
I yum updated to xorg-x11-server-Xorg 1.8.0-17, then rebooted adding drm.debug=0x04 to the kernel line. Once I got to GDM I switched to a VT and got the files requested. I've also attached a screenshot of the graphics corruption in a gnome session.
This is still an issue with latest xorg-X11-server-Xorg 1.8.2-2.
Works fine in F14 / Xorg 1.9
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