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[Bug 1580697] Missing required logs.
This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
and then change the status of the bug to 'Confirmed'.
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the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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Kernel freezes after drm_wait_one_vblank timed out
Status in linux package in Ubuntu:
Using kernel 4.4.0 from Ubuntu GNOME 16.04 I get a lot of warnings
'drm_wait_one_vblank timed out' while booting and every time when I
switch user or session via Alt-Fn. Example logs will be attached, I
used this for saving the log:
journalctl -b --system --no-pager |tee bootlog-$(uname
I suspect this may be related to some of my problems (slow switch,
freeze, wrong VT: Alt-Fn6 roots to tty3) when switching virtual
I see these messages on 16.04 or 14.04 when using kernel
4.4.0-21-generic, 4.4.0-22-generic or mainline kernel
4.4.0-040400-generic or 4.5.2-040502-generic, but mainline kernel
4.3.6-040306-generic does not throw this message and there are no
problems with 4.3.6 while switching VT.
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