[Bug 58381] i915: GPU hangs after upgrade to 3.8.13 or 3.9

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=58381

--- Comment #18 from Alexander Mezin <mezin.alexander at gmail.com> ---
With attached patch hangs still happen. However, seems that without patch hangs
happen more frequent.

Hangs don't happen with "i915_enable_rc6=0".

"-march=native" in KCFLAGS causes a lot more hangs.

Before 3.8.13/3.9 I never had hangs with "-march=native" and
"i915_enable_rc6=3"

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