linux-kernel - Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

Open Source and information security mailing list archives

Message-ID: <8738kqafpa.fsf@intel.com>
Date:	Tue, 14 Jan 2014 14:52:17 +0200
From:	Jani Nikula <jani.nikula@...ux.intel.com>
To:	Alan Stern <stern@...land.harvard.edu>,
	Daniel Vetter <daniel@...ll.ch>
Cc:	Daniel Vetter <daniel.vetter@...ll.ch>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [Intel-gfx] Excessive WARN()s in Intel 915 driver

On Mon, 13 Jan 2014, Alan Stern <stern@...land.harvard.edu> wrote:
> On Wed, 8 Jan 2014, Daniel Vetter wrote:
>
>> On Wed, Jan 08, 2014 at 01:34:02PM -0500, Alan Stern wrote:
>> > On Wed, 8 Jan 2014, Daniel Vetter wrote:
>> > 
>> > > On Wed, Jan 08, 2014 at 11:08:08AM -0500, Alan Stern wrote:
>> > > > On Tue, 7 Jan 2014, Daniel Vetter wrote:
>> > > > 
>> > > > > I really want users to report these issues, and excessive WARNs seems
>> > > > > to be the only way to get those reports. Please boot with
>> > > > > drm.debug=0xe added to your kernel cmdline and reproduce this issues.
>> > > > > Also, which precise kernel are you running? Testing latest -rc is
>> > > > > always recommended, this state checker code is fairly new and gets
>> > > > > constantly extended and bugs fixed ...
>> > > > 
>> > > > Here you go.  This is the dmesg output after booting with
>> > > > drm.debug=0xe.  Pay no attention to the "AS" suffix in the version
>> > > > string; this is pristine 3.13-rc7.
>> > > 
>> > > That's strange, I've thought we've fixed the last struggling mismatch in
>> > > the lvds borber bits stuff. Can you please try latest drm-intel-nightly
>> > > from
>> > > 
>> > > http://cgit.freedesktop.org/~danvet/drm-intel/
>
> I posted the output from the default branch in that repository last
> week:
>
> 	http://marc.info/?l=linux-kernel&m=138922294308576&w=2
>
> Have you had time to look at the results yet?

I think it might be the time to file this as a new bug on DRM/Intel at
https://bugs.freedesktop.org/enter_bug.cgi?product=DRI

BR,
Jani.

>
> Alan Stern
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@...ts.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Jani Nikula, Intel Open Source Technology Center
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