linux-kernel - Re: Graphic corruption with i915 (2.6.39.1)

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Message-ID: <20110616165742.GS20487@llucax.com.ar>
Date:	Thu, 16 Jun 2011 13:57:42 -0300
From:	Leandro Lucarella <luca@...cax.com.ar>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	David Airlie <airlied@...ux.ie>,
	intel-gfx@...ts.freedesktop.org
Subject: Re: Graphic corruption with i915 (2.6.39.1)

Chris Wilson, el 16 de junio a las 17:39 me escribiste:
> On Thu, 16 Jun 2011 13:18:03 -0300, Leandro Lucarella <luca@...cax.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.

OK, I had CONFIG_DEBUGFS but never mounted it. Unfortunately I rebooted
since the problem, so now that file says: no error state collected

I'll get the contents when it happens again.

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Leandro Lucarella (AKA luca)                     http://llucax.com.ar/
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