Null bytes in syslog after system crash (Ubuntu 16.10)
Bug #1697705 reported by
ben
This bug affects 2 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Variety |
Invalid
|
Undecided
|
Unassigned |
Bug Description
My system crashes when I leave it inactive for over an hour. I think Variety might be the cause.
Ubuntu 16.10
Unity 7.5.0
Variety 0.6.2
Attached is the relevant output from: /var/logs/syslog
Summary of log:
23:07:00 Computer crashes, it seems Variety may have been in the middle of a command.
during crash computer outputs 00\00\00\00\00..... into log
23:20:01 Computer is restarted
Any help in diagnosing this would be much appreciated.
Cheers,
Ben
summary: |
- Ubuntu 16.10 System Crash + Null bytes in syslog after system crash (Ubuntu 16.10) |
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Happened here, too. In this case the system was in use and the only thing in any log is syslog ending with
-- clip -- plugins/ apt_all ]; then /etc/munin/ plugins/ apt_all update 7200 12 >/dev/null; elif [ -x /etc/munin/ plugins/ apt ]; then /etc/munin/ plugins/ apt update 7200 12 >/dev/null; fi) @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@^@^ @^@^@^@ ^@^@
Dec 17 09:10:01 desktop CRON[10223]: (root) CMD (if [ -x /etc/munin/
^@^@^@^
-- clip --
The cause for the crash may be end of memory due to memory eating bug in Google Chrome. It's still unknown why syslog ends up with null bytes and why kernel OOM killer could not fix the issue.