| Priority | medium |
|---|---|
| Bug ID | 67825 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | Screen corruption/lockups on Northern Islands (BARTS) with dpm active |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | Alexander@Schwarz-Regensburg.de |
| Hardware | x86-64 (AMD64) |
| Status | NEW |
| Version | DRI CVS |
| Component | DRM/Radeon |
| Product | DRI |
Created attachment 83713 [details]
Greps from dmesg for "drm" and "radeon"
I'm receiving massive screen corruptions on my Radeon HD 6870 when I use dpm on
an rc1/2/3/4 kernel with the following symptoms:
There's flickering all over the screen, artifacts and after trying to open
anything related to graphics (glxgears, animated menus in KDE, etc...) the
machine freezes and can only be revived with a hard reset. Sometimes the
machine doesn't even get so far and freezes immediately before. This is
accompanied by a black screen or blue lines on the screen.
The huge issue is: there's absolutely no error in dmesg and dpm is also
automatically set in power_method
I'm including grep'd dmesg's for "drm" and "radeon" anyways, to illustrate that
everything seems to load fine.
More information about the card and my system: XFX Radeon HD 6870 Black Edition
with stock bios on an Arch Linux 64 bit system.
I'm using the newest mesa-git, libdrm, xf86-video-ati-git and ati-dri-git.
It's nearly impossible to gather more information than dmesg, because the
system is extremely unstable when using dpm.
When I'm NOT setting radeon.dpm=1 the system boots fine, has 3D acceleration
and I've not a single issue with my graphics stack.
You are receiving this mail because:
- You are the assignee for the bug.
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