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Message-ID: <2102240.hdkK7C4k4g@al> Date: Tue, 04 Dec 2012 23:09:58 +0100 From: Lekensteyn <lekensteyn@...il.com> To: Heinz Diehl <htd@...tha.org> Cc: dri-devel@...ts.freedesktop.org, Daniel Vetter <daniel@...ll.ch>, intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org, Heinz Diehl <htd@...cy-poultry.org> Subject: Re: i915 freakout with latest 3.7 git On Tuesday 04 December 2012 22:08:45 Heinz Diehl wrote: > Ok, but in comment 11 in the same thread you mention that reverting > this patch didn't fix the issue for you: > > "Reverting that commit on top of 3.7-rc4 did not fix the hang issue." The bisected commit was from between rc2 and rc3: $ git describe 504c7267a1e84b157cbd7e9c1b805e1bc0c2c846 v3.6-rc2-88-g504c726 The fact that reverting that commit does not help implies that some commits thereafter also expose the bug. > > i915.i915_enable_rc6=0 worked for me, if it does not work for you, then > > you probably hit another bug. > > I have now i915.i915_enable_rc6=0 in grub.cfg and disabled the XFCE > compositor. Now I'm trying to hit the bug again... Do you have a reliable reproduce method? As you can see in the linked bug it was caused by relatively low memory pressure combined with high I/O (caching? delays? Who knows). > A shot in the dark: could it be that all the machines wich encounter > this hang have nvidia's optimus? Mine has. Could that somehow be > related? (I'm by no means a programmer or a kernel hacker..). It is unlikely that Optimus has anything to do with this. Peter -- 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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