OmniOS creates core.smbd files in / (root) of filesystem - cause?

G

GreatOcean

n00b
Joined
Sep 11, 2013
Messages
45
Long story short,

Fileserver has been running fine for the longest of times, in fact I haven't noticed any hickups at all. This evening I SSH:d in to do some mundane tasks and I find these entries in the root of the filesystem, which I have never seen before.

Current running release of omnios is:
uname -r
5.11

cat /etc/release
OmniOS v11 r151008
Copyright 2013 OmniTI Computer Consulting, Inc. All rights reserved.
Use is subject to license terms.

Managed by napp-it
v.0.9e1_nightly Jan.15.2014

-rw------- 1 root sys 16316973 Dec 10 12:44 core.smbd.1386675850
-rw------- 1 root sys 16990589 Dec 12 04:48 core.smbd.1386820122
-rw------- 1 root sys 13137593 Dec 12 07:44 core.smbd.1386830649
-rw------- 1 root sys 16540109 Dec 12 15:07 core.smbd.1386857243
-rw------- 1 root sys 17554445 Dec 17 10:43 core.smbd.1387273435
-rw------- 1 root sys 17242501 Dec 20 00:10 core.smbd.1387494645
-rw------- 1 root sys 16426057 Dec 20 18:44 core.smbd.1387561481
-rw------- 1 root sys 16067277 Dec 21 07:49 core.smbd.1387608565
-rw------- 1 root sys 16435517 Dec 27 04:56 core.smbd.1388116614
-rw------- 1 root sys 16776865 Dec 29 17:10 core.smbd.1388333417
-rw------- 1 root sys 16274313 Dec 31 10:25 core.smbd.1388481903
-rw------- 1 root sys 16515537 Jan 1 14:23 core.smbd.1388582624
-rw------- 1 root sys 17266933 Jan 4 20:36 core.smbd.1388864200
-rw------- 1 root sys 15930249 Jan 5 03:24 core.smbd.1388888650
-rw------- 1 root sys 16838745 Jan 7 11:06 core.smbd.1389089214
-rw------- 1 root sys 17486961 Jan 11 11:01 core.smbd.1389434462
-rw------- 1 root sys 16341961 Jan 11 20:32 core.smbd.1389468752
-rw------- 1 root sys 16781617 Jan 16 20:03 core.smbd.1389899012
-rw------- 1 root sys 15819989 Jan 17 02:49 core.smbd.1389923375
-rw------- 1 root sys 15376001 Jan 18 03:33 core.smbd.1390012409
-rw------- 1 root sys 17393941 Jan 19 17:36 core.smbd.1390149366
-rw------- 1 root sys 16531857 Jan 20 01:15 core.smbd.1390176946
-rw------- 1 root sys 17221581 Jan 24 10:05 core.smbd.1390554333
-rw------- 1 root sys 16523761 Jan 25 07:31 core.smbd.1390631463
-rw------- 1 root sys 16670317 Jan 25 21:31 core.smbd.1390681895
-rw------- 1 root sys 17257329 Jan 31 15:09 core.smbd.1391177384
-rw------- 1 root sys 16156309 Jan 31 23:05 core.smbd.1391205916
-rw------- 1 root sys 17164485 Feb 2 12:25 core.smbd.1391340329

What bugs me is that the problems seem to have appeared around 10th december and intermittently been coming and going ever since then. I can't recall doing something "special" with the system. Ram is fine (no errors in memtest etc), stability is fine, there's no drive problems (long/short test on drives are all OK). Can saturate all 5 gbit ethernet ports w/o problem what so ever... Can't find any complaints in logs either. So, I'm stumped as these looks like crash dumps.

Anyone seen and fixed this behaviour before or has pointers where to start looking?
 
I don't know much about Linux, but a quick Google is pointing at samba crashing and creating a dump file. Could be way off though.
 
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