[Bug 95741] Broadwell graphics on Dell XPS13 (early 2015) loses horizontal sync on shift to tty console

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=95741

--- Comment #21 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Tasev Nikola from comment #19)
> Created attachment 176061 [details]
> dmesg kernel 4.1-rc1 drm.debug=14

There's a 

[   55.128510] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun

but nothing else suspicions that I can see.

(In reply to Tasev Nikola from comment #20)
> Is there anything else that i could do (as average user)to help debug this?

Building and testing kernels, you're not an average user! ;)

Since you're at it, please try the drm-intel-nightly branch of
http://cgit.freedesktop.org/drm-intel

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