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While running an Ubuntu kernel (not a mainline or third-party kernel)
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apport-collect 1743830
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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1743830
Title:
Kernel 4.13.0 update causing x to not load properly using amdgpu
graphics on ubuntu 16.04.3
Status in linux package in Ubuntu:
Incomplete
Bug description:
On my ubuntu 16.04.3 system, the update to kernal 4.13.0-26.29~16.04.2
(which also came in installing 4.13.0.26.39,although that wasn't the
one that was running when the issue occurred). After a reboot, x
broke, with the boot initially started on the my left screen (the run
running on an r9 390), and switched to my right screen (Running off
the integrated gpu of my Intel 4690-k), where it looked normal. For
about two minutes, the screen would very quickly blink about 3 times a
second. During this period typing was difficult, with many keypresses
randomly missing. However that issue quickly went away.
Initially I thought it was a compatibility issue with amdgpu-pro
(17.04), however once I uninstalled that, the issue continued
unchanged. (where then my system was running the version of amdgpu
from the oibaf ppa). Once I managed to return to old kernal, my system
returned completely back to normal.
I can tell more system details, however won't help with more details
of the bug, and I don't want to replicate it and break my system
again. I am sorry however that I forgot to take a picture of both
screens to show what was going wrong during boot, and the point at
where it switched screens.
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