| Summary: | Kernel null pointer dereference with 2.6.38_rc4, pageflip, Radeon 6310, KDE | ||||||
|---|---|---|---|---|---|---|---|
| Product: | DRI | Reporter: | Chí-Thanh Christopher Nguyễn <chithanh> | ||||
| Component: | DRM/Radeon | Assignee: | Default DRI bug account <dri-devel> | ||||
| Status: | RESOLVED FIXED | QA Contact: | |||||
| Severity: | normal | ||||||
| Priority: | medium | ||||||
| Version: | unspecified | ||||||
| Hardware: | Other | ||||||
| OS: | All | ||||||
| Whiteboard: | |||||||
| i915 platform: | i915 features: | ||||||
| Attachments: |
|
||||||
does this patch help? http://people.freedesktop.org/~airlied/scratch/0001-radeon-add-pageflip-hooks-for-fusion.patch Yes, thank you. With the patch the problem is fixed. |
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.
Created attachment 43206 [details] dmesg with BUG and call trace Using kernel 2.6.38_rc4, xf86-video-ati 6.14.0, Radeon 6310 (Zacate), KDE 4.4 When starting KDE the graphics will freeze before the desktop appears, possibly when kwin attempts to enable desktop effects. In dmesg, the following appears along with a call trace containing radeon_crtc_page_flip: [ 1297.514583] BUG: unable to handle kernel NULL pointer dereference at (null) Afterwards, the system must be rebooted to get the graphics back. Setting Option "EnablePageFlip" "false" in xorg.conf makes the problem go away.