[Intel-gfx] 4.2-rc4 kernel warnings on HSW laptop [regression]

Daniel Vetter daniel at ffwll.ch
Tue Oct 13 01:24:58 PDT 2015


On Mon, Oct 12, 2015 at 02:29:19PM +0200, Takashi Iwai wrote:
> On Mon, 12 Oct 2015 09:04:20 +0200,
> Daniel Vetter wrote:
> > 
> > Another pile of regressions for Jairo to track ...
> > 
> > On Sat, Oct 10, 2015 at 11:46:29AM +0200, Takashi Iwai wrote:
> > > Hi,
> > > 
> > > I noticed that a HSW laptop gets a few new warnings since 4.2-rc
> > > kernels.  One error messages pops at each boot time:
> > > 
> > >  Console: switching to colour dummy device 80x25
> > >  [drm] Replacing VGA console driver
> > >  [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> > >  [drm] Driver supports precise vblank timestamp query.
> > >  vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
> > >  [drm:drm_calc_timestamping_constants [drm]] *ERROR* crtc 21: Can't calculate constants, dotclock = 0!
> > 
> > There's patches for this one already, but I accidentally applied them for
> > -next, not -fixes. They should land for -rc6.
> 
> Could you point commit ids?

It was wishful thinking on my side, mixed them up with other patches. I
think this one's still open :(
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


More information about the Intel-gfx mailing list