[Bug 111668] screen goes black and loses sync after about 10-15 minutes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111668

Lakshmi <lakshminarayana.vudum at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      i915 platform|                            |CFL

--- Comment #10 from Lakshmi <lakshminarayana.vudum at intel.com> ---

(In reply to Jani Nikula from comment #1)
> i915.enable_rc6 was a debug and development option, never meant for normal
> use. In most cases where it presumably helped, its effects were so
> widespread that it was near impossible to pinpoint what the actual
> functional impact was that helped.
> 
> The enable_rc6 option is not coming back.
> 
> So please let's rather focus on the bug you experience, i.e. screen going
> black and losing sync.
> 
> Please add drm.debug=14 module parameter, and likely something like
> log_buf_len=4M or similar. 

(In reply to Robert Dinse from comment #9)
> Logs are attached above, boot to failure, both dmesg and kern.log, the debug
> data only showed up in kern.log.

Looks like above parameter were not set. Can you attach the logs with those
parameters?

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