linux-kernel - Re: [git pull] drm merge for 3.9-rc1

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Date:	Thu, 28 Feb 2013 00:06:28 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	Dave Airlie <airlied@...il.com>,
	DRI <dri-devel@...ts.freedesktop.org>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-next <linux-next@...r.kernel.org>
Subject: Re: [git pull] drm merge for 3.9-rc1

On Wed, Feb 27, 2013 at 11:36 PM, Sedat Dilek <sedat.dilek@...il.com> wrote:
> Hi,
>
> I am seeing this also on Linux-Next.
>
> /var/log/kern.log:Feb 27 22:52:35 fambox kernel: [   28.202381]
> [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal timeout
> (has irq: 1)!
> /var/log/kern.log:Feb 27 22:52:35 fambox kernel: [   28.210588]
> [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal timeout
> (has irq: 1)!
>
> /var/log/kern.log.1:Feb 22 07:36:04 fambox kernel: [   27.408280]
> [drm:intel_dp_aux_wait_done] *ERROR* dp aux hw did not signal timeout
> (has irq: 1)!
>
> This seems to be hard reproducible...
> Laptop-LCD... Sandybridge Mobile-GT2.
>
> Is there a way to force the error?
>
> Possible patch see [1].
>
> - Sedat -
>
> [1] https://patchwork.kernel.org/patch/2192721/

Hmm, I tried to apply the test-patch against next-20130227 and it
fails building the i915 kernel-module.

- Sedat -

View attachment "rebuild-with-intel_dp_aux_wait_done-fix.txt" of type "text/plain" (8615 bytes)

Download attachment "0001-drm-i915-Add-some-debugging-to-intel_dp_aux_wait_don.patch" of type "application/octet-stream" (1048 bytes)