Messages in this thread | | | Date | Sun, 1 Mar 2009 12:39:48 +0100 | From | Ingo Molnar <> | Subject | Re: [TIP,regression,i915] /dev/dri/card0 is no longer present |
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* Sitsofe Wheeler <sitsofe@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.pallipadi@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.pallipadi@intel.com> > Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> > Cc: Dave Airlie <airlied@redhat.com> > Cc: Jesse Barnes <jbarnes@virtuousgeek.org> > Cc: Eric Anholt <eric@anholt.net> > Cc: Keith Packard <keithp@keithp.com> > Signed-off-by: Ingo Molnar <mingo@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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