[Bug 86551] Screen freezes on boot at "fb: switching to inteldrmfb from simple"

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=86551

--- Comment #4 from Mike Auty <mike.auty at gmail.com> ---
Created attachment 154401
  --> https://bugzilla.kernel.org/attachment.cgi?id=154401&action=edit
dmesg-ramoops-0

Success!!!

The ramoops worked, I got a console-ramoops, dmesg-ramoops-0.enc.z, and
dmesg-ramoops-1.enc.z (after unpacking by removing the pstore time and "no
errors detected" lines, the -0 and -1 seem identical and contain the data of
console-ramoops, so only attaching -0).

>From the best I can tell, it's a divide by 0 in the scale function (which is
new in the git commit I indicated), but I haven't figured out the exact source
or path causing it.

Please let me know if you'd like me to run any of the other tests, or have any
patches you'd like me to try?

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