Proxmox 4.2 random crashing

[Henrique]

Hey folks,

I'm having some strange problems with my proxmox server, running the latest version. In the last week, it crashed twice completely random at the middle of the night.

First time was at May 3, and this are the last syslog entries:

May  3 01:31:01 blackpearl CRON[13367]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:32:01 blackpearl CRON[13828]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:33:01 blackpearl CRON[14323]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:33:39 blackpearl systemd-timesyncd[818]: interval/delta/delay/jitter/drift 2048s/-0.000s/0.004s/0.001s/-13ppm
May  3 01:34:01 blackpearl CRON[14717]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:35:01 blackpearl CRON[15106]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:36:01 blackpearl CRON[15552]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:37:01 blackpearl CRON[15997]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:38:01 blackpearl CRON[16445]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:39:01 blackpearl CRON[16893]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:40:01 blackpearl CRON[17347]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:41:01 blackpearl CRON[17812]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:42:01 blackpearl CRON[18275]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:43:01 blackpearl CRON[18705]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:44:01 blackpearl CRON[19204]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  3 01:45:01 blackpearl CRON[19620]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)

Full log here: http://termbin.com/eyb8

Last crash was yesterday, at 2am:

May  8 02:11:36 blackpearl systemd[1]: Starting Cleanup of Temporary Directories...
May  8 02:11:36 blackpearl systemd[1]: Started Cleanup of Temporary Directories.
May  8 02:12:01 blackpearl CRON[4113]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:13:01 blackpearl CRON[4386]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:14:01 blackpearl CRON[4677]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:15:01 blackpearl CRON[5040]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:16:01 blackpearl CRON[5311]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:17:01 blackpearl CRON[5651]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:17:01 blackpearl CRON[5652]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
May  8 02:18:02 blackpearl CRON[5959]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:18:18 blackpearl systemd-timesyncd[805]: interval/delta/delay/jitter/drift 2048s/+0.000s/0.004s/0.000s/-14ppm
May  8 02:19:01 blackpearl CRON[6208]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:20:01 blackpearl CRON[6509]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:21:01 blackpearl CRON[6825]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:22:01 blackpearl CRON[7144]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:23:01 blackpearl CRON[7426]: (root) CMD (/usr/local/rtm/bin/rtm 6 > /dev/null 2> /dev/null)
May  8 02:23:28 blackpearl pvedaemon[1585]: <root@pam> successful auth for user 'root@pam'

Full log here: http://termbin.com/7v83

I have no idea why the server is crashing... May be related with that CRON entry? This server is not yet on production, so it can't be high load...

I appreciate your help!

Henrique