I've been having an issue where my OMV system reboots while remotely streaming video over subsonic.
I did a bit of searching, but was not sure where to start when it comes to solving this mystery.
As such, I grabbed the only log I'm familiar with from the time of reboot. Here is that bit of /var/log/syslog
Code
Sep 24 19:23:04 RoachHotel kernel: [96846.353227] ffmpeg[6464]: segfault at 60 ip 00000000081f2cf3 sp 00000000ffa67000 error 4 in ffmpeg[8048000+1eae000]
Sep 24 19:23:15 RoachHotel rrdcached[2935]: Received FLUSHALL
Sep 24 19:28:12 RoachHotel kernel: [97155.148154] ffmpeg[7104]: segfault at 60 ip 00000000081f2cf3 sp 00000000ffc4f360 error 4 in ffmpeg[8048000+1eae000]
Sep 24 19:28:45 RoachHotel kernel: [97187.880930] ffmpeg[7149]: segfault at 60 ip 00000000081f2cf3 sp 00000000ffdf37b0 error 4 in ffmpeg[8048000+1eae000]
Sep 24 19:29:19 RoachHotel kernel: [97221.719395] ffmpeg[7176]: segfault at 60 ip 00000000081f2cf3 sp 00000000ffdc4390 error 4 in ffmpeg[8048000+1eae000]
Sep 24 19:29:55 RoachHotel kernel: [97257.436452] ffmpeg[7242]: segfault at 60 ip 00000000081f2cf3 sp 00000000ffdcca50 error 4 in ffmpeg[8048000+1eae000]
Sep 24 19:30:01 RoachHotel /USR/SBIN/CRON[7294]: (root) CMD (/usr/sbin/omv-mkgraph >/dev/null 2>&1)
Sep 24 19:30:01 RoachHotel rrdcached[2935]: Received FLUSHALL
Sep 24 19:30:27 RoachHotel rrdcached[2935]: flushing old values
Sep 24 19:30:27 RoachHotel rrdcached[2935]: rotating journals
Sep 24 19:30:27 RoachHotel rrdcached[2935]: started new journal /var/lib/rrdcached/journal/rrd.journal.1506303027.251571
Sep 24 19:30:27 RoachHotel rrdcached[2935]: removing old journal /var/lib/rrdcached/journal/rrd.journal.1506295827.251680
Sep 24 19:31:09 RoachHotel kernel: [97331.516542] ffmpeg[7516]: segfault at 60 ip 00000000081f2cf3 sp 00000000ff8a2b20 error 4 in ffmpeg[8048000+1eae000]
Sep 24 19:32:38 RoachHotel kernel: [97421.462071] ffmpeg[7603]: segfault at 60 ip 00000000081f2cf3 sp 00000000fff01c30 error 4 in ffmpeg[8048000+1eae000]
Sep 24 19:33:22 RoachHotel rrdcached[2935]: Received FLUSHALL
Sep 24 19:34:03 RoachHotel rrdcached[2935]: Received FLUSHALL
Sep 24 19:36:10 RoachHotel rrdcached[2935]: Received FLUSHALL
Sep 24 19:36:32 RoachHotel rrdcached[2935]: Received FLUSHALL
Sep 24 19:36:49 RoachHotel kernel: [97672.656335] ffmpeg[8296]: segfault at 60 ip 00000000081f2cf3 sp 00000000ff95ef60 error 4 in ffmpeg[8048000+1eae000]
Sep 24 19:38:20 RoachHotel kernel: [97763.228096] ffmpeg[8742]: segfault at 60 ip 00000000081f2cf3 sp 00000000ffecd3b0 error 4 in ffmpeg[8048000+1eae000]
Sep 24 19:39:01 RoachHotel /USR/SBIN/CRON[8857]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -x /usr/lib/php5/sessionclean ] && [ -d /var/lib/php5 ] && /usr/lib/php5/sessionclean /var/lib/php5 $(/usr/lib/php5/maxlifetime))
Sep 24 19:40:20 RoachHotel kernel: [97883.914020] [Hardware Error]: Corrected error, no action required.
Sep 24 19:40:20 RoachHotel kernel: [97883.914029] [Hardware Error]: CPU:2 (10:4:2) MC1_STATUS[-|CE|-|-|AddrV]: 0x9400000000000151
Sep 24 19:40:20 RoachHotel kernel: [97883.914033] [Hardware Error]: MC1_ADDR: 0x00000000090355d0
Sep 24 19:40:20 RoachHotel kernel: [97883.914035] [Hardware Error]: MC1 Error: Parity error during data load.
Sep 24 19:40:20 RoachHotel kernel: [97883.914038] [Hardware Error]: cache level: L1, tx: INSN, mem-tx: IRD
Sep 24 19:40:42 RoachHotel kernel: [97905.670153] ffmpeg[8912]: segfault at 60 ip 00000000081f2cf3 sp 00000000ff8c14c0 error 4 in ffmpeg[8048000+1eae000]
Sep 24 19:40:49 RoachHotel rrdcached[2935]: Received FLUSHALL
Sep 24 19:43:07 RoachHotel kernel: imklog 5.8.11, log source = /proc/kmsg started.
Sep 24 19:43:07 RoachHotel rsyslogd: [origin software="rsyslogd" swVersion="5.8.11" x-pid="2774" x-info="http://www.rsyslog.com"] start
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If anyone recognizes this issue, needs more information, or can point me in a research direction, it would be much appreciated.