[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 #7 from W Unruh <unruh at physics.ubc.ca> ---
Created attachment 173021
  --> https://bugzilla.kernel.org/attachment.cgi?id=173021&action=edit
Another user's partial dmesg output on switch on 4.0 r1

I asked on the major.io page and another user said he saw the same problem all
the way back to 3.18.2, but on the kernels before 4.0 it was sporadic. Another
user also saw it sproadically on 3.19. On 4.0, various rc versions, he always
sees it. He gets the included output in the dmesg
output. 
I have not seen it in the 3.19.{0,1,2} kernels, using the Mageia 5 .config file
and patches, but I must admit I did not try the switching that often with the
3.19.2 kernel, so might not have caught a sporadic problem.

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