i915 freeze on boot

Chris Wilson chris at chris-wilson.co.uk
Tue Apr 5 03:35:48 PDT 2011


On Mon, 4 Apr 2011 14:28:21 -0300, Yermandu Patapitafious <yermandu.dev at gmail.com> wrote:
> Latests kernel freeze on boot

More interesting is information on the freeze. Though I think you probably
want to read lkml first.

> Sometimes the .39-rc1+ freeze too, but after one reboot  start normaly.
> 
> The message appear from drm-intel+ kernel is :
> 
> GMBUS timed out falling back to bit banging on pin 0 [i915] GMBUS disabled
> GMBUS timed out falling back to bit banging on pin 6 [i915] GMBUS reserved
> GMBUS timed out falling back to bit banging on pin 7 [i915] GMBUS dpd

These aren't related to i915.ko, except that we are the medium for another
subsystem to abuse as it walks every single i2c adapter.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre


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