Comment 6 for bug 1087967

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Sebastian (szm) wrote :

Same problem here with Thinkpad T410s.

With version 3.5.0-19 everything is fine (however, ACPI conflicts listed above are also present).

With version 3.5.0-20 I get messages related to debugfs for i915:
   Could not create debugfs 'i915_reg_rw' directory
   Could not create debugfs 'i915_flip_complete' directory
   Could not create debugfs 'i915_flip_request' directory
   [...]
   Error: Driver 'i915' is already registered, aborting...
Then I get the kernel oops.
   BUG: unable to handle kernel paging request at ffffffffa026ef08