[Bug 95736] [IVB bisected] *ERROR* uncleared fifo underrun on pipe A

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95736

--- Comment #11 from Tomeu Vizoso <tomeu at tomeuvizoso.net> ---
(In reply to Fabian Henze from comment #10)
> (In reply to Dorota Czaplejewicz from comment #8)
> > Does it happen if X/display manager is not enabled on boot?
> > Does this issue require special kernel config?
> 
> It also happens when just my initrd with the normal KMS console is booted.
> 
> I don't know if a special kernel configuration is required, but I attached
> mine just in case.

Chris, Fabian, Sedat, would you be able to find out what are the programmed
latencies at boot (the ones inherited from the BIOS), and if a tweak similar to
the one below helps avoid it?

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e95a2f7509f5219177d6821a0a8754f93892ca56

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