Re: [ANNOUNCE] 3.6.11.1-rt32

[Carsten Emde]

Hi Steven,

> > > I'm pleased to announce the 3.6.11.1-rt32 stable release.
> > Unfortunately, there is another compile error:
> > drivers/gpu/drm/i915/i915_gem.c: In function âi915_gem_wait_for_errorâ:
> > drivers/gpu/drm/i915/i915_gem.c:118:3: warning: passing argument 1 of
> > ârt_spin_lockâ from incompatible pointer type [enabled by default]
> > In file included from include/linux/spinlock.h:273:0,
> >                    from include/linux/wait.h:24,
> >                    from include/linux/fs.h:396,
> >                    from include/drm/drmP.h:47,
> >                    from drivers/gpu/drm/i915/i915_gem.c:28:
> > [..]
> > I would propose to adopt the mechanism that Sebastian introduced in
> > 3.8.4-rt2 (https://lkml.org/lkml/2013/3/26/600). The kernel compiles
> > and runs without any problem with the below patch on a system that
> > requires the i915 driver module.
> Thanks Carsten, I'll be updating this later today.
Thank you.

> BTW, did you get any core dumps from the work queue race that we've
> been seeing?
No, not yet. Originally, the farm systems did not use crashkernels by
default. I understood that it does no harm but could help in cases like
this one. Therefore, I've started to reconfigure all farm system with
crashkernels - starting with the two systems that had the work queue
race crashes. The kernel messages here (one is a 12-core, the other one
a 32-core box) look exactly like the one 
(https://lkml.org/lkml/2013/3/18/325)
you saw in your 40-core machine (https://lkml.org/lkml/2013/3/18/430).
We'll need to wait for the next crash that will give us a core dump we
may then dissect.

	-Carsten.
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