[Bug 70727] SNA causes GPU hung on IBM X30 intel 82830 chipset.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70727

--- Comment #7 from Michal P <mpier at o2.pl> ---
With #define HAS_BROKEN_CS_TLB(dev) (0)), i have a crash on SNA and UXA, but
with patched from  Chris Wilson SNA works.
I have no errors for 2 hours, but with option "DRI" "false". Without it,
glxgears makes GPU crash:

 4551.004051] [drm] stuck on render ring
[ 4551.004077] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 4551.004083] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 4551.004088] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 4551.004094] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 4551.004099] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 4551.014974] [drm:i915_reset] *ERROR* Failed to reset chip.

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