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Date: Mon, 23 Aug 2010 07:29:29 +0200 From: Takashi Iwai <tiwai@...e.de> To: Zhenyu Wang <zhenyuw@...ux.intel.com> Cc: Eric Anholt <eric@...olt.net>, David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] agp/intel: Fix dma mask for Sandybridge 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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