Bug 43367
| Summary: | radeon: NULL pointer dereference on switching to dynpm power method | ||
|---|---|---|---|
| Product: | Drivers | Reporter: | Christoph Haag (haagch.christoph) |
| Component: | Video(DRI - non Intel) | Assignee: | drivers_video-dri |
| Status: | RESOLVED CODE_FIX | ||
| Severity: | normal | CC: | florian |
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 3.5-rc2 | Subsystem: | |
| Regression: | Yes | Bisected commit-id: | |
| Attachments: |
console log of the bug
possible fix |
||
Created attachment 73588 [details]
possible fix
This patch should fix it.
The patch fixes it. Thank you. :) A patch referencing this bug report has been merged in Linux v3.5-rc4: commit 0ec0612a80f957000999c3f7b31a84e3558c719d Author: Alex Deucher <alexander.deucher@amd.com> Date: Thu Jun 14 15:54:57 2012 -0400 drm/radeon: fix regression in dynpm due to multi-ring rework |
Created attachment 73570 [details] console log of the bug After changing to dynpm with # echo dynpm > /sys/class/drm/card0/device/power_method I immediately get the attached kernel Oops. Power profiles work fine.