[Intel-gfx] [3.14.0-rc4] regression: drm FIFO underruns

Damien Lespiau damien.lespiau at intel.com
Fri May 9 18:14:38 CEST 2014


On Fri, May 09, 2014 at 06:11:37PM +0200, Jörg Otte wrote:
> > Jörg, can you please boot with drm.debug=0xe, reproduce the issue and
> > then attach the complete dmesg? Please make sure that the dmesg
> > contains the boot-up stuff too.
> >
> > Thanks, Daniel
> Here it is. I should mention it only happens at boot-up.

[    0.374095] [drm] Wrong MCH_SSKPD value: 0x20100406
[    0.374096] [drm] This can cause pipe underruns and display issues.
[    0.374097] [drm] Please upgrade your BIOS to fix this.

-- 
Damien



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