On 21/10/14 16:02, Barry wrote:

uname -a = "Linux TheBox 3.12.20-server-1.mga4 #1 SMP Fri May 16 16:03:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux"

Memory currently 501.4mg/1.5gb. sleep is still running with the highest pid.

I used to have lock out problems due to the xfce power manager putting a laptop into suspend/sleep mode which it would not return from. Try turning off KDE's power manager AC/Battery suspend modes.

If you use the auditd log system /var/log/audit/audit.log check the timestamps around the time the pc stopped also 'ausearch -c sleep' might locate the process or syscall that is starting sleep. 'auditctl' can also use a rule to watch /bin/sleep.

If using the new systemctl system that has replaced sysv init runlevels the journalctl logs might have logged an event there is
'journalctl /bin/sleep'.

Another test is to load a older/newer x86_64 kernel.

--
keith.
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