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Message-ID: <20130103231123.GD3238@fieldses.org> Date: Thu, 3 Jan 2013 18:11:23 -0500 From: "J. Bruce Fields" <bfields@...ldses.org> To: Josh Boyer <jwboyer@...il.com> Cc: Daniel Vetter <daniel.vetter@...ll.ch>, linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org Subject: Re: "Hangcheck timer elapsed... GPU hung" in 3.8.0-rc2 On Thu, Jan 03, 2013 at 04:16:24PM -0500, Josh Boyer wrote: > On Thu, Jan 3, 2013 at 3:46 PM, J. Bruce Fields <bfields@...ldses.org> wrote: > > I got a crash after a few minutes of running 3.8.0-rc2, was able to > > switch to a vt and look at dmesg: > > > > [ 490.962545] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > > [ 490.963019] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state > > [ 492.961446] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung > > [ 492.965613] [drm:i915_reset] *ERROR* GPU hanging too fast, declaring wedged! > > [ 492.965621] [drm:i915_reset] *ERROR* Failed to reset chip. > > > > Previously I was on 3.6.10-2.fc17.x86_64, which didn't have any such > > problem. > > I'm not questioning that you haven't seen that error in F17, but we have > had quite a few bug reports with similar error messages for a while now. > Apparently there are lots of ways GPUs can get hung, so they might be > different from what you're seeing. Just wanted to point out that it > might not be a new 3.8 change that caused it. OK, sure. It reproduced very quickly after the upgrade, so I assumed it was a regression. I'm running 3.7.0 now which hasn't shown any problem. I'll try a newer kernel again to see if it's really that easy for me to reproduce. --b. -- 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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