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Date: Tue, 17 Nov 2009 23:26:41 +0000 From: David Woodhouse <dwmw2@...radead.org> To: "schnitzelkuchen@...glemail.com" <schnitzelkuchen@...glemail.com> Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "Wang, Zhenyu Z" <zhenyu.z.wang@...el.com>, "jbarnes@...tuousgeek.org" <jbarnes@...tuousgeek.org> Subject: Re: [regression] [drm:i915_gem_execbuffer] *ERROR* Execbuf while wedged On Sun, 2009-11-15 at 01:48 -0800, Michael wrote: > > After bisecting i got to the following commit: > > 176616814d700f19914d8509d9f65dec51a6ebf7 is the first bad commit > commit 176616814d700f19914d8509d9f65dec51a6ebf7 > Author: Zhenyu Wang <zhenyu.z.wang@...el.com> > Date: Mon Jul 27 12:59:57 2009 +0100 > > intel_agp: Use PCI DMA API correctly on chipsets new enough to > have IOMMU There are later commits which fixed some handling of addresses >4GiB -- it's not _entirely_ unexpected that that particular point in time didn't work. It'll be using swiotlb instead of just addressing the page directly. Can you apply the patch in commit 135cbc4e (just the second part; the addition) and check whether it still fails? -- David Woodhouse Open Source Technology Centre David.Woodhouse@...el.com Intel Corporation -- 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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