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

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Message-ID: <CA+icZUU1ckwT8HiyYP=aT+57gBOu7ZVDNC=as6yzAG=Xpma5AQ@mail.gmail.com>
Date:	Thu, 28 Feb 2013 18:07:01 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Chris Wilson <chris@...is-wilson.co.uk>,
	Sedat Dilek <sedat.dilek@...il.com>,
	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 Thu, Feb 28, 2013 at 12:18 PM, Chris Wilson <chris@...is-wilson.co.uk> wrote:
> On Thu, Feb 28, 2013 at 12:06:28AM +0100, Sedat Dilek wrote:
>> 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/
>
> That was:
>
> +       if (!done) {
> +               status = I915_READ_NOTRACE(ch_ctl);
> +               DRM_ERROR("dp aux hw did not signal timeout (has irq:
> %i), status=%08x!\n",
> +                         has_aux_irq, status);
> +       }
>
> You applied
>
> +       if (!done) {
> +               status = I915_READ_NOTRACE(ch_ctl);
> +               DRM_ERROR("dp aux hw did not signal timeout (has irq:
> %i), status=%08x!\n",
> +                         has_aux_irq, status);
> +       {
>
> That second '{' is the source of the compile error.

Schei**e, OK I try with a v2.

A hint how to force the error?

- Sedat -

> -Chris
>
> --
> Chris Wilson, Intel Open Source Technology Centre
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