has the i915 "black screen" boot issue returned?

Chris Wilson chris at chris-wilson.co.uk
Fri Jan 28 01:29:53 PST 2011

On Fri, 28 Jan 2011 04:24:17 -0500 (EST), "Robert P. J. Day" <rpjday at crashcourse.ca> wrote:
> On Fri, 28 Jan 2011, Chris Wilson wrote:
> > Well, we have two endpoints, so let git attack:
> >
> > $ git bisect start
> > $ git bisect good 58bbf018a70c562437eeae121a5d021ba7fe56a5
> > $ git bisect bad abb72c828878a2c69b2cfb33ac30007c8ecd735e
> >
> > That shouldn't take more than a few recompiles to identify the
> > troublemaker.
>   ok, i can get to that in a bit.  might take a while since this
> system is not exactly a screamer but i'm curious -- have you heard no
> other reports of people running into this issue?  i'm going to be
> embarrassed if it turns out it's something *i've* done but, at this
> point, it seems fairly reproducible.

This is the first I'm aware of. It could just be the tip of the iceberg...
>   are there any kernel command-line parms i might try that would be
> informative?  anything involving modesetting?

Sure: add drm.debug=0xe to your boot parameters (or to your modprobe

Chris Wilson, Intel Open Source Technology Centre

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