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The following errors display at shutdown. The system never shuts down
and I must hold down the power key to turn the system off. The hardware
is a Dell 7559 laptop with Intel / Nvidia Prime Graphics GTX 960M. The
display driver in use is the Nouveau driver.
wlp5s0: failed to remove key (1, ff:ff:ff:ff:ff:ff) from hardare (-22)
watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [plymouthd:4561]
watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [plymouthd:4561]
INFO: rcu_sched self-detected stall on CPU
$3...: (14999 ticks this GP) idle=e6e/1400000000001/0 softirq:55865/55865
fqs:7490
$ (t=15000 jiffies g=41392 c=41391 q=3432)
watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [plymouthd:4561]
watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [plymouthd:4561]
INFO: task systemd-timesyn:305 blocked for more than 120 seconds.
Tained: G DEL 4.13-0-16-generic $19-ubuntu
"echo 0 > /proc/sys/kernel/hung_task_timeout_sec" disables this message
INFO: task systemd-timesyn:305 blocked for more than 120 seconds.
Tained: G DEL 4.13-0-16-generic $19-ubuntu
"echo 0 > /proc/sys/kernel/hung_task_timeout_sec" disables this message
watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [plymouthd:4561]
watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [plymouthd:4561]
watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [plymouthd:4561]
watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [plymouthd:4561]
At this point I had to hold down the power key to turn off the system.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment
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Shutdown failure in 17.10 with Nvidia Nouveau Driver
https://bugs.launchpad.net/bugs/1730680
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