Graphic corruption with i915 (2.6.39.1)

[Chris Wilson]

On Thu, 16 Jun 2011 13:18:03 -0300, Leandro Lucarella <luca at llucax.com.ar> wrote:
> cannot access /sys/kernel/debug/dri/0/i915_error_state: No such file or directory
> 
> The debug directory is not present, should I boot or compile with some
> particular option to enable it?

You need to compile with CONFIG_DEBUGFS and at runtime
"mount -tdebugfs debug /sys/kernel/debug".

The /sys/kernel/debug/dri/0/i915_error_state will only be populated
after a hang is detected.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre