| Priority | medium |
|---|---|
| Bug ID | 66932 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | Screen corruption on Cayman with dpm enabled |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | g02maran@gmail.com |
| Hardware | x86-64 (AMD64) |
| Status | NEW |
| Version | DRI CVS |
| Component | DRM/Radeon |
| Product | DRI |
Created attachment 82448 [details] dmesg When I enable dpm with my 6950 I see major screen corruption. It works fine with dpm disabled. The computer does not get completely locked up. The screen flickers but there is always a pattern in the corruption that stays the same. Sometimes, not always, I can see and control a corrupted mouse cursor. But the screen is so corrupted that i can't login or do anything. I can ssh into the computer but it won't reboot. I first tried 3.11-rc1 but then did my tests on http://cgit.freedesktop.org/~agd5f/linux/?h=drm-fixes-3.11 with latest commit being a01c34f72e7cd2624570818f579b5ab464f93de2 I have ucode (downloaded 2013-06-15) from http://people.freedesktop.org/~agd5f/radeon_ucode/ I compiled the kernel with this. CONFIG_EXTRA_FIRMWARE="radeon/CAYMAN_mc.bin radeon/CAYMAN_me.bin radeon/CAYMAN_pfp.bin radeon/CAYMAN_rlc.bin radeon/CAYMAN_smc.bin radeon/SUMO_uvd.bin" I did a bisect and found that this commit introduced the corruption: http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes-3.11&id=7ad8d0687bb5030c3328bc7229a3183ce179ab25
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