| Bug ID | 91268 |
|---|---|
| Summary | R6xx freezes with kernel 3.17 and up |
| Product | DRI |
| Version | unspecified |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/Radeon |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | kap3tan@gmail.com |
Something was introduced in kernel 3.17 which makes my GPU to freeze while playing games. When it happens screen freeze for a few seconds, then it goes blank for a few seconds, then it comes back with strange artifacts on the screen, system is basically unresponsive, the only thing you can do is a hard reset. With kernels below 3.17 this doesn't happen. Mesa version also doesn't matter. Basically same everything, just booting with different kernel makes a difference. 3.16 is good and 3.17 is bad (also every other kernel above 3.17) With kernel 3.16 I can play games for days/weeks and bug will not happen. With 3.17 it can happen anywhere between 15 minutes and few hours. I did a bisect and it produced this : git bisect start '--' 'drivers/gpu/drm/radeon' # good: [19583ca584d6f574384e17fe7613dfaeadcdc4a6] Linux 3.16 git bisect good 19583ca584d6f574384e17fe7613dfaeadcdc4a6 # bad: [bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9] Linux 3.17 git bisect bad bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 # bad: [03f62abd112d5150b6ce8957fa85d4f6e85e357f] drm/radeon: split PT setup in more functions git bisect bad 03f62abd112d5150b6ce8957fa85d4f6e85e357f # bad: [391bfec33cd4e103274f197924d41ef648b849de] drm/radeon: remove visible vram size limit on bo allocation (v4) git bisect bad 391bfec33cd4e103274f197924d41ef648b849de # good: [da9976206c15178eeae1b4445c9266125bf35b0a] drm/radeon: enable display scaling on all connectors (v2) git bisect good da9976206c15178eeae1b4445c9266125bf35b0a # good: [380670aebfca998bb67b9cf05fc7f28ebeac4b18] drm/radeon: Demote 'BO allocation size too large' message to debug only git bisect good 380670aebfca998bb67b9cf05fc7f28ebeac4b18 # bad: [02376d8282b88f07d0716da6155094c8760b1a13] drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2) git bisect bad 02376d8282b88f07d0716da6155094c8760b1a13 # good: [77497f2735ad6e29c55475e15e9790dbfa2c2ef8] drm/radeon: Pass GART page flags to radeon_gart_set_page() explicitly git bisect good 77497f2735ad6e29c55475e15e9790dbfa2c2ef8 # first bad commit: [02376d8282b88f07d0716da6155094c8760b1a13] drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2) commit 02376d8282b88f07d0716da6155094c8760b1a13 Author: Michel Dänzer <michel.daenzer@amd.com> Date: Thu Jul 17 19:01:08 2014 +0900 drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2) v2: fix rebase onto drm-fixes Signed-off-by: Michel Dänzer <michel.daenzer@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Currently I'm running kernel with commit before the first bad one : $ git reset --hard 77497f2735ad6e29c55475e15e9790dbfa2c2ef8 HEAD is now at 77497f2 drm/radeon: Pass GART page flags to radeon_gart_set_page() explicitly to test it more thoroughly and see if hang will occur.
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