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

[Dave Jones <davej@redhat.com>]

On Thu, Apr 17, 2014 at 04:03:52PM -0400, Dave Jones wrote:
 > On Thu, Apr 17, 2014 at 10:01:27PM +0200, Borislav Petkov wrote:
 >  > 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
 > 
 > Can you send me your .config off-list ?
 > I wonder if this is something config specific that's causing me to see
 > this, and you not, given we've apparently got similar machines.

ok, with your config I get back to a console after the modesetting
switch, but then it hangs in USB init.

Hrmm.

	Dave