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    SubjectRe: i915_hangcheck_hung problem with 3.8-rc2+ (Linus's latest tree)
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    On Wed, Jan 9, 2013 at 2:25 PM, Greg KH <gregkh@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.

    Dave.


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