On 01/09/2013 09:31 AM, Dave Airlie wrote: > On Wed, Jan 9, 2013 at 2:25 PM, Greg KH <gregkh at linuxfoundation.org> wrote: >> On Wed, Jan 09, 2013 at 01:42:39PM +1000, Dave Airlie wrote: >>>>> Hi all, >>>>> >>>>> I've hit this 3 times today on Linus's latest 3.8-rc2+ tree: >>>>> >>>>> [11868.414648] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung >>>>> [11868.414655] [drm] capturing error event; look for more information in /debug/dri/0/i915_error_state >>>>> [11870.408342] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung >>>>> [11870.408412] [drm:i915_reset] *ERROR* GPU hanging too fast, declaring wedged! >>>>> [11870.408414] [drm:i915_reset] *ERROR* Failed to reset chip. >>>>> [11883.083225] gnome-shell[19396]: segfault at 218 ip 00007feef5f32333 sp 00007ffffc1dc930 error 4 in i965_dri.so[7feef5ecb000+d0000] >>>> >>>> I just hit this again. And, as the kernel was asking for it, attached >>>> is the i915_error_state file, compressed due to the size of it. >>>> >>> Welcome to sink hole that is >>> https://bugs.freedesktop.org/show_bug.cgi?id=55984 >>> >>> 3 months and ticking, Intel guys are all running away from it saying >>> they can't reproduce, everyone else on planet seems to reproduce quite >>> easily. >>> >>> Its generally considered a bug in the relocation/shrinker/no idea category, >> >> Ugh, what a mess. >> >>> Assuming you have an Ironlake machine which I'm going to guess you do. >> >> I don't know, it's an old i5 machine that has never had any video >> problems for many years now. How do I tell? > > lspci -nn probably an 8086:0046 device. > > Old i5 probably means original i5 which means ironlake. > I have also seen this a couple of times on 3.7 and 3.8-rc1. Most of the times I was watching youtube video in chrome. Nothing crashed though(I am not running gnome shell). System recovered after few seconds. I didn't see this on 3.8-rc2 yet, probably because I haven't watched any video. -lijo