[Intel-gfx] [PATCH] drm/i915: Record batch buffer following GPU error

[Eric Anholt]

On Wed, 10 Feb 2010 22:33:40 +0100, 2points.mailinglist at gmx.org wrote:
> Hi Chris,
> 
> tried to gather some debugging output with this patch, but came upon the following problem: The moment an error is to be recorded, the kernel panics. From what I gather from the backtrace, it seems to crash in clone_obj, somewhere along kmap_atomic, probably.
> 
> You can find the dmesg output up to everything dying noisily here:
> http://pastebin.ca/1793058
> 
> I started from the drm-intel git repository, at commit 0d0e2fee9d6f03a481fa213c3db5171c66e7f7cc, drm/i915: add dynamic performance control support for Ironlake, and applied the following additional patches:
> 
> drm/i915: Increase fb alignment to 64k (to avoid that page error at module load)
> drm/i915: Selectively enable self-reclaim (for signature changes to  i915_gem_object_get_pages; tried with and without, no changes though)
> drm/i915: Record batch buffer following GPU error
> 
> Best regards,
>  Moritz

OK, while this patch seems interesting, I'll hold off on it until this
is sorted out.
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