[Intel-gfx] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO underrun
Julian Wollrath
jwollrath at web.de
Tue Jun 17 15:41:24 CEST 2014
Hi,
I just checked v3.16.0-rc1. There I get an additional error:
[ 15.266373] [drm] Initialized drm 1.1.0 20060810
[ 15.773818] [drm] Memory usable by graphics device = 2048M
[ 15.779773] [drm] Supports vblank timestamp caching Rev 2
(21.10.2013).
[ 15.033559] [drm] Driver supports precise vblank timestamp query.
[ 15.866766] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to
bit banging on pin 5
[ 16.160259] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared
pch fifo underrun on pch transcoder A
[ 16.160260] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO
underrun
[ 16.674873] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0
on minor 0
[ 17.722301] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off
Cheers,
Julian
Am Tue, 17 Jun 2014 14:40:30 +0200
schrieb Julian Wollrath <jwollrath at web.de>:
> Hi,
>
> on my Thinkpad X230 with an i5-3320M CPU (Intel HD 4000 Graphics) I
> get
>
> [ 14.256386] [drm] Initialized drm 1.1.0 20060810
> [ 14.994752] [drm] Memory usable by graphics device = 2048M
> [ 15.033559] [drm] Supports vblank timestamp caching Rev 2
> (21.10.2013).
> [ 15.033560] [drm] Driver supports precise vblank timestamp query.
> [ 15.120501] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to
> bit banging on pin 5
> [ 15.503091] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A
> FIFO underrun
> [ 15.929629] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0
> on minor 0
> [ 16.725847] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off
>
> The error occurs during startup and resuming from suspend to disk with
> the v3.15.1 kernel. On v3.14.4 this error did not occur.
>
> What information should I also provide, so set you can make sense out
> of this error?
>
>
> Cheers,
> Julian
More information about the Intel-gfx
mailing list