Re: Info: mapping multiple BARs. Your kernel is fine.

Borislav Petkov
2014-04-17T20:01:30Z

On Thu, Apr 17, 2014 at 03:52:40PM -0400, Dave Jones wrote:
> Just as X starts up, I see this in dmesg..
>
> [ 42.879049] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO underrun

FWIW, I have that too. It should be something i915-related:

[ 0.617673] [drm] Memory usable by graphics device = 2048M
[ 0.694445] i915 0000:00:02.0: irq 42 for MSI/MSI-X
[ 0.694549] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 0.694631] [drm] Driver supports precise vblank timestamp query.
[ 0.695313] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 0.788300] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5
[ 0.799829] fbcon: inteldrmfb (fb0) is primary device
[ 1.176845] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO underrun

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
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