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

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Message-ID: <20140108202108.GV4770@phenom.ffwll.local>
Date:	Wed, 8 Jan 2014 21:21:08 +0100
From:	Daniel Vetter <daniel@...ll.ch>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Daniel Vetter <daniel@...ll.ch>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: Excessive WARN()s in Intel 915 driver

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 prefer not to clone 1.7 GB of git data if at all possible.  Can you
> post (or send to me directly) a patch containing the differences with
> respect to 3.13-rc7?  It should end up being fairly small.

Shallow clones should reduce the data tremendously, see git help clone.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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