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SubjectRe: [Intel-gfx] [WARNING 4.1-rc2] i915: Unclaimed register detected before writing to register 0xc4040
On Fri, 8 May 2015 12:18:10 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:

> On Fri, 8 May 2015 12:08:31 -0400
> Steven Rostedt <rostedt@goodmis.org> wrote:
>
>
> > Maybe it's my bios still (it is an older box). I'll just block out
> > compiling in SND_HDA_INTEL, so that it doesn't break my tests (they
> > fail on a WARNING).
>
> Hmm, right after I posted this I triggered the Call Trace again with
>
> # CONFIG_SND_HDA_INTEL is not set
>
> :-/
>
> Now to figure out how to keep this from triggering. I may just keep
> adding a patch to hide that warning.
>

Oh, I forgot to mention, that before the Call Trace, I get theses:


[ 673.093330] [drm:intel_uncore_check_errors] *ERROR* Unclaimed register before interrupt
[ 673.103206] [drm:intel_uncore_check_errors] *ERROR* Unclaimed register before interrupt
[ 673.139252] [drm:intel_uncore_check_errors] *ERROR* Unclaimed register before interrupt
[ 673.151323] [drm:ivybridge_set_fifo_underrun_reporting] *ERROR* uncleared fifo underrun on pipe A
[ 673.160745] [drm:intel_cpu_fifo_underrun_irq_handler] *ERROR* CPU pipe A FIFO underrun

Mean anything?

-- Steve


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