Comment 56 for bug 1229591

I have also sent the email to <email address hidden>

I got a reply from Jani Nikula as per below:

"A bisect result on upstream kernel pointing at the regression might be
useful... although we've changed the code considerably since 3.14."

And from Daniel Vetter as per below.

"Yeah, if the bug still persists on latest upstream kernels then a
bisect between 3.11 and 3.10 should be enlightening."

The problem is that I don't know how to "bisect" the kernels. I don't even know what it means.
I am no linux super user. I am just experienced up to a certain level.
The things I am asked to do become more and more complicated and I cannot keep up, I am sorry.

Could you forward the above bug report to whoever you feel is more appropriate? I really hope that developers already have enough info to find the culprit.