* Sitsofe Wheeler <sits...@yahoo.com> wrote:
> Hi,
>
> With the latest -tip /dev/dri/card0 is MIA on my EeePC 900. A bisection
> has tracked the probem down to the following commit:
>
> commit 17581ad812a9abb0182260374ef2e52d4a808a64
> Author: Venkatesh Pallipadi <venkatesh.pallip...@intel.com>
> Date: Tue Feb 24 17:35:14 2009 -0800
>
> gpu/drm, x86, PAT: PAT support for io_mapping_*
>
> Make io_mapping_create_wc and io_mapping_free go through PAT to make sure
> that there are no memory type aliases.
>
> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallip...@intel.com>
> Signed-off-by: Suresh Siddha <suresh.b.sid...@intel.com>
> Cc: Dave Airlie <airl...@redhat.com>
> Cc: Jesse Barnes <jbar...@virtuousgeek.org>
> Cc: Eric Anholt <e...@anholt.net>
> Cc: Keith Packard <kei...@keithp.com>
> Signed-off-by: Ingo Molnar <mi...@elte.hu>
>
> Reverting this made /dev/dri/card0 reappear. Here is the
> bisection log:
Thanks, i've reverted the commit for now. Could you please send
a 'dmesg' from the bootup with the failed driver? By all
likelyhood an ioremap failure causes a driver failure.
Ingo
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