Here is an output from the console of a system experiencing this issue.
This bug occurs after executing "sudo poweroff" and "sudo shutdown -h now" This
issue was found on trusty-updates and trusty-
proposed. It wasn't seen in the released version.
$ uname -a
Linux am5 3.13.0-37-generic #64-Ubuntu SMP Mon Sep 22 21:32:32 UTC 2014 aarch64
aarch64 aarch64 GNU/Linux
U-Boot 2013.04-mustang_sw_1.13.28-beta (Aug 25 2014 - 14:16:10)
ubuntu@am5:~$ sudo poweroff
Broadcast message from ubuntu@am5
(/dev/ttyS0) at 17:33 ...
The system is going down for power off NOW!
ubuntwait-for-state stop/waiting
* Stopping rsync daemon rsync [ OK ]
* Asking all remaining processes to terminate... [ OK ]
* All processes ended within 1 seconds... [ OK ]
* Deactivating swap... [ OK ]
* Unmounting local filesystems... [ OK ]
* Will now halt
[22800.565563] reboot: System halted
[22828.004581] BUG: soft lockup - CPU#0 stuck for 23s! [halt:2059]
[22856.004581] BUG: soft lockup - CPU#0 stuck for 23s! [halt:2059]
[22884.004581] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[22912.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[22940.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[22968.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[22996.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[23024.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[23052.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[23080.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[23108.004580] BUG: soft lockup - CPU#0 stuck for 23s! [halt:2059]
[23136.004580] BUG: soft lockup - CPU#0 stuck for 23s! [halt:2059]
[23164.004580] BUG: soft lockup - CPU#0 stuck for 23s! [halt:2059]
[23192.004580] BUG: soft lockup - CPU#0 stuck for 23s! [halt:2059]
[23220.004580] BUG: soft lockup - CPU#0 stuck for 23s! [halt:2059]
[23248.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[23276.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[23304.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[23332.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
[23360.004580] BUG: soft lockup - CPU#0 stuck for 22s! [halt:2059]
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1404335
Title:
xgene: BUG: soft lockup - CPU#0 stuck for 23s! [halt:2059] on poweroff
Status in linux package in Ubuntu:
Confirmed
Bug description:
[Impact]
Fixes an issue where after the system halts the cpu starts to experience soft
lockups.
[Test Case]
The most reliable means of reproducing this issue is to 'sudo poweroff' the
system from the console.
[Regression Potential]
These patches are upstream patches that have been in the utopic kernel for
quite a while and only affect the arm64 architecture.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1404335/+subscriptions
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