Intel driver pain

[Alex G.S.]

>
> On Fri, May 29, 2015 at 12:13 PM, Sergio Belkin <sebelk at gmail.com
> <https://admin.fedoraproject.org/mailman/listinfo/devel>> wrote:
> >* Hi, *>
> >* Could you tell me if anyone else is having this kind of issues: *>
> >* [vie may 29 07:01:22 2015] [drm] Initialized drm 1.1.0 20060810 *>* [vie
> may 29 07:01:22 2015] [drm] Memory usable by graphics device = 2048M *>* [vie
> may 29 07:01:22 2015] fb: switching to inteldrmfb from EFI VGA *>* [vie
> may 29 07:01:22 2015] [drm] Replacing VGA console driver *>* [vie may 29
> 07:01:22 2015] [drm] Supports vblank timestamp caching Rev 2 *>
> * (21.10.2013). *>* [vie may 29 07:01:22 2015] [drm] Driver supports
> precise vblank timestamp *>* query. *>* [vie may 29 07:01:22 2015] [drm]
> Initialized i915 1.6.0 20150130 for *>* 0000:00:02.0 on minor 0 *>*[vie
> may 29 07:01:22 2015] fbcon: inteldrmfb (fb0) is primary device *>* [vie
> may 29 07:01:22 2015] [drm:intel_set_pch_fifo_underrun_reporting *>* [i915]]
> *ERROR* uncleared pch fifo underrun on pch transcoder A *>* [vie may 29
> 07:01:22 2015] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *>* *ERROR*
> PCH transcoder A FIFO underrun *>* [vie may 29 07:01:23 2015] i915
> 0000:00:02.0: fb0: inteldrmfb frame buffer *>* device *What exactly is
> your problem? What are the symptoms? Also bugzilla is
> a better place for those kind of things.


Interestingly I also see this error and usually it tends to be associated
with GNOME instability and lockups or crashes.  There's a thread about
this, specifically in reference to Intel Haswell.  I get crashes and
lockups occasionally and when this happens that error message scrolls
several times.

https://bugzilla.redhat.com/show_bug.cgi?id=1188772
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