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Re: Oddities with my new machine: interrupt storms (hdaudio), DRM errors (i915) and gdm keyboard fail - update

On Fri, Dec 01, 2017 at 10:25:24PM +0100, Reinoud Zandijk wrote:
> On Fri, Dec 01, 2017 at 02:38:46PM +0100, Reinoud Zandijk wrote:
> > - when starting X it works fine but I can get "DRM error in
> >   hsw_unclaimed_reg_clear: Unknown unclaimed register before writing to ..."
> >   on fe scrolling too fast. It can freeze the display for a while but
> >   generally moving the mouse a bit unfreezes it. For details, see attached
> >   dmesg.
> I wasn't able to start X at all in 8.99.7 :( It gives a blank screen with
> working mouse pointer but with a small block of off-colour in the top left
> corner. I haven't updated the distro, only ran a new kernel + new kernel
> modules.

I get:

DRM error in i915_hangcheck_elapsed: Hangcheck timer elapsed... blitter ring idle

when starting X, so there sure is something wrong with the i915 code :-/


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