debian jessie
При загрузке пишет:
[ 1.101831] [drm:ilk_display_irq_handler] *ERROR* Pipe B FIFO underrun
[ 1.101839] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared pch fifo underrun on pch transcoder B
[ 1.101840] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder B FIFO underrun
dmesg | grep drm
[ 0.535528] [drm] Initialized drm 1.1.0 20060810
[ 0.920144] [drm] Memory usable by graphics device = 2048M
[ 0.920151] fb: switching to inteldrmfb from simple
[ 0.920251] [drm] Replacing VGA console driver
[ 0.941347] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 0.941348] [drm] Driver supports precise vblank timestamp query.
[ 0.945993] [drm] Wrong MCH_SSKPD value: 0x16040307
[ 0.945994] [drm] This can cause pipe underruns and display issues.
[ 0.945996] [drm] Please upgrade your BIOS to fix this.
[ 1.030613] fbcon: inteldrmfb (fb0) is primary device
[ 1.101831] [drm:ilk_display_irq_handler] *ERROR* Pipe B FIFO underrun
[ 1.101839] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared pch fifo underrun on pch transcoder B
[ 1.101840] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder B FIFO underrun
[ 1.108669] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 1.166073] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
[ 2.789695] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
Как это было полгода назад на тестинге, так и осталось. Появилось вроде после установки иксов. В интернете куча сообщений о багах, но решения пока нет.
Имеет ли смысл что-то исправлять и как?
Правильно ли я понимаю, что это какой-то неисправимый баг?