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#1 2008-07-06 12:44:40

bgoedel
Member
From: Vienna, Austria
Registered: 2007-11-24
Posts: 62

Excessive processor load caused by smbd even in FW 1.05

Hi,

I experienced that in FW 1.04b84 there seems to be a problem with the Samba Daemon. It caused excessive CPU load as discussed in http://dns323.kood.org/forum/t1942-smbd … y%3F.html.
I've upgraded to FW 1.05 and it seemed to work quite well for weeks. But now I have a similar problem here:

Code:

Mem: 60392K used, 1556K free, 0K shrd, 10716K buff, 3180K cached
Load average: 1.12 1.29 1.15
  PID USER     STATUS   VSZ  PPID %CPU %MEM COMMAND
 3183 root     RW      5328  2455 93.0  8.5 smbd
 8642 root     SW     45152     1  4.5 72.7 mlnet
   51 root     SW         0     1  0.5  0.0 kswapd0
 8678 root     RW      1424  8573  0.3  2.2 top
 8668 root     SWN    45152  8667  0.0 72.7 mlnet
 8667 root     SW     45152  8642  0.0 72.7 mlnet
 2162 root     SW     12732     1  0.0 20.5 foto.fcgi
26167 root     SW     12732  2162  0.0 20.5 foto.fcgi
 2160 root     SW      8504     1  0.0 13.7 lighttpd
 2455 root     SW      4932     1  0.0  7.9 smbd
 2459 root     SW      4932  2455  0.0  7.9 smbd
 1944 root     SW      4716     1  0.0  7.5 webs
24892 root     SW      2984     1  0.0  4.8 pure-ftpd
 2460 root     SW      2976     1  0.0  4.7 nmbd
 2080 root     SW      1568     1  0.0  2.5 crond
    1 root     SW      1564     0  0.0  2.5 init
 1998 root     SW      1564     1  0.0  2.5 sh
 8573 root     SW      1436  2194  0.0  2.3 sh
 2194 root     SW      1432     1  0.0  2.3 telnetd
14494 root     SW      1316     1  0.0  2.1 upnp
 2037 root     SW      1264     1  0.0  2.0 lpd

Any hints?

Bernhard

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#2 2008-07-06 22:28:54

bq041
Member
From: USA
Registered: 2008-03-19
Posts: 709

Re: Excessive processor load caused by smbd even in FW 1.05

You stopped and started samba, didn't youYou should have 'smbd -D', not just smbd.  I don't know if that makes the difference, but this is from my unit running 1.04 and my unit with 1.05 is the same.  You may also want to check that any of your other fun_plug software you have running is not using samba. 

Code:

Mem: 60420K used, 1528K free, 0K shrd, 12116K buff, 35204K cached
CPU:   0% usr   0% sys   0% nice  99% idle   0% io   0% irq   0% softirq
Load average: 0.00 0.00 0.00
  PID  PPID USER     STAT   VSZ %MEM %CPU COMMAND
 4724  4723 root     R     1272   2%   0% top
 1127     1 root     S     5576   9%   0% /ffp/sbin/unfsd -e /ffp/etc/exports
 1161  1157 root     S     4976   8%   0% /usr/sbin/samba/smbd -D
 1157     1 root     S     4944   8%   0% /usr/sbin/samba/smbd -D
  941     1 root     S     3616   6%   0% /web/webs
 1162     1 root     S     3016   5%   0% /usr/sbin/samba/nmbd -D
  800     1 root     S     1568   3%   0% crond
    1     0 root     S     1564   3%   0% init
  981     1 root     S     1564   3%   0% -sh
 4723  1174 root     S     1276   2%   0% /ffp/bin/sh
 1174     1 root     S     1268   2%   0% /ffp/sbin/telnetd -l /ffp/bin/sh
 1002     1 root     S     1264   2%   0% lpd Waiting
  975     1 root     S      776   1%   0% op_server 3 3 3
 1117     1 root     S      588   1%   0% /ffp/sbin/rpc.portmap
  922     1 root     S      532   1%   0% chkbutton
  765     1 root     S      496   1%   0% atd
  954     1 root     S      488   1%   0% fancontrol
   52     1 root     SW       0   0%   0% [kswapd0]
  201     1 root     SW       0   0%   0% [mtdblockd]
  228     1 root     SW<      0   0%   0% [loop0]
    4     1 root     SW<      0   0%   0% [khelper]
    2     1 root     SWN      0   0%   0% [ksoftirqd/0]
    5     1 root     SW<      0   0%   0% [kthread]
   53     5 root     SW<      0   0%   0% [aio/0]
  190     1 root     SW       0   0%   0% [scsi_eh_0]
  191     1 root     SW       0   0%   0% [scsi_eh_1]
  192     1 root     SW       0   0%   0% [scsi_eh_2]
  193     1 root     SW       0   0%   0% [scsi_eh_3]
    3     1 root     SW<      0   0%   0% [events/0]
  216     5 root     SW<      0   0%   0% [kcryptd/0]
  217     5 root     SW<      0   0%   0% [kmirrord/0]
   11     5 root     SW<      0   0%   0% [kblockd/0]
   14     1 root     SW       0   0%   0% [khubd]
   50     5 root     SW       0   0%   0% [pdflush]
   51     5 root     SW       0   0%   0% [pdflush]

DNS-323     F/W: 1.04b84  H/W: A1  ffp: 0.5  Drives: 2X 400 GB Seagate SATA-300
DNS-323     F/W: 1.05b28  H/W: B1  ffp: 0.5  Drives: 2X 1 TB  WD SATA-300
DSM-G600   F/W: 1.02       H/W: B                Drive:  500 GB WD ATA

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#3 2008-07-07 01:25:29

bgoedel
Member
From: Vienna, Austria
Registered: 2007-11-24
Posts: 62

Re: Excessive processor load caused by smbd even in FW 1.05

Hi bq,

thanks for your answer.

No, actually I didn't start Samba manually. The box ran for weeks without any issue. Even MLDonkey (2.9.5 BT only) was running stable in this period. Recently, I activated the FTP Server for sharing photos with friends over the internet. I wonder whether the FTP caused the Samba crash.

There is a lot of stuff running on my box; actually it seems to be a little bit overloaded in respect of memory. Maybe it is simply the lack of memory and excessive swapping in rare situations?

I also didn't start Samba for a fun_plug software, neither in my chroot'ed Debian.

Yours,
Bernhard

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