Red Hat Bugzilla – Bug 473555
X freeze on Radeon X300SE (RV370) with KDE4
Last modified: 2009-12-18 02:01:39 EST
Created attachment 325077 [details]
Description of problem:
After using KDE4 with XRender desktop effects for several hours,
X rendering operations suddenly start slowing down, which quickly
proceeds to a complete X freeze. The rest of the system remains
operative, so it is possible to reboot it either remotely, or
through the ATX power button.
Version-Release number of selected component (if applicable):
Fedora 9 upgraded to Fedora 10 + latest updates.
Updating to kernel-184.108.40.206-123.fc10.i686
and xorg-x11-drv-ati-6.9.0-58.fc10.i386 did not have any effect.
Once or twice a day.
Attaching a debugger shows that X actually continues working,
but some ioctls hang in drm_fence_object_wait for minutes.
I'll try running with nomodeset, and without xorg.conf next.
Created attachment 325078 [details]
Created attachment 325079 [details]
ioctl backtrace log.bz2
A log of ioctl backtraces from the debugger.
Points of freeze are marked by "----------".
I am having the same problem with Fedora 9 + latest updates, no Fedora 10 involved. In addition to the problems described above, I get stray lines all over the screen.
In my case removing xorg.conf doesn't help; on the other hand, I worked 2 days without freezes when I specified nomodeset. Now I added nomodeset to my grub.conf.
Do you need any additional information on this problem?
I see the same as also with an X300SE no desktop effects are enabled though. After a few hours of uptime ioctl starts stalling and the machine needs a reboot to recover, restarting X doesn't help.
I'm seeing the same issue (works fine initially, grinds to a halt after a couple of hours, reboot required) with a clean (up to date, as of today) F-10 install and an "ATI Technologies Inc RV370 5B60 [Radeon X300 (PCIE)]" card. No desktop effects, just using the standard GNOME desktop. Never had any issue with the same hardware on FC-6, F-8, F-9.
Haven't tried any debugging or running with nomodeset; will try the nomodeset workaround.
I tried the latest driver from koji (xorg-x11-drv-ati-6.10.0-2.fc10.x86_64) and it didn't help. Seems to work OK with the "nomodeset" kernel option though.
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