23 Aug
2010
23 Aug
'10
5:29 a.m.
At Mon, 23 Aug 2010 09:35:07 +0800, Zhenyu Wang wrote:
On 2010.08.20 17:36:08 +0200, Takashi Iwai wrote:
Sandybridge requires 36bit dma mask, but the current code checks only against i965, thus it gives Oops with i915 probing on 32bit machine:
nommu_map_sg: overflow 14a000000+4096 of device mask ffffffff [drm:drm_agp_bind_pages] *ERROR* Failed to bind AGP memory: -12 BUG: unable to handle kernel paging request at fffffff8 IP: [<f7fac57f>] i915_gem_evict_something+0xef/0x230 [i915] ...
Sandybridge can do 40-bit dma mask. This has been fixed upstream now.
Could you point where is the upstream GIT tree and the corresponding commit id?
thanks,
Takashi