Re: i915 regression in 2.6.29-rc5

Yinghai Lu
2009-02-18T19:34:14Z

On Tue, Feb 17, 2009 at 7:24 PM, ZhangRui <rui.zhang@intel.com> wrote:
> Hi, all,
>
> I got an i915 failure in 2.6.29-rc5.
>
> problem description: the screen doesn't come back after suspend/resume.
> A workaround is to boot with "nomodesetting".
>
> I got this error message during i915 driver load time,
> [ 22.606749] mtrr: type mismatch for e0000000,10000000 old: write-back new: write-combining
> [ 22.606752] [drm] MTRR allocation failed
> [ 22.606753] . Graphics performance may suffer.

CONFIG_MTRR_SANITIZER=y
CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1
CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1

may help this one.

YH