Vidar Hoel, it appears you may be hitting multiple bugs simultaneously.
Given the call trace no longer appears, it would either be the latest
mainline kernel fixes this one issue, or doesn't manifests the bug
anymore. I'll mark this Confirmed given that the originally scoped issue
isn't resolved.
The tested kernel was: linux-image-4.10.0-041000rc2-generic
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Title:
Switching users in Ubuntu/Ubuntu Gnome freezes graphics
To manage notificati
I have now tested the new kernel for two days, and unfortunately, after
several user switches I got a blank screen again :-( However, the kernel
does not output any errors. So it seems this bug is not kernel related.
Here is a log from lightdm, which is the only log I could find with an error:
[+2
Vidar Hoel, thank you for reporting this and helping make Ubuntu better.
In order to allow additional upstream developers to examine the issue, at your
earliest convenience, could you please test the latest upstream kernel
available from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ? P
I was tailing /var/log/kern.log when I switch to a new user, and then
back to mine user again - then the screen goes blank. Here is the tail:
Dec 26 17:35:25 nuc gnome-session-binary[3980]: Entering running state
Dec 26 17:36:36 nuc kernel: [ 2890.006683] [ cut here ]
Dec 2
** Attachment added: "kern.log"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1652644/+attachment/4796644/+files/kern.log
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Title:
Swit
