Machine hangs(Beta7), only reset button works

Tom Jensen tom at motd.dk
Wed Oct 20 15:25:37 PDT 2004


Hi
 
I've been seeing a pretty strange problem lately with my server. 

The box completely freeze typically when it's done running the first part of
my backup script, resulting in no possibility to login on the console or by
SSH, the freeze even happens when I'm sitting in a terminal and working.

There is no indication in log files etc. about what's causing the problem
and it's not breaking into debugger  either :-(

The backup script is really simple, creating a .tgz file of a given
directory, mounting a windows share (mount_smbfs) and copying the file. The
script is run by cron six times (start at the same time) in six different
directories, this results in the box freezes after the tar processes
finishes.

Attached is the dmesg.boot and the latest top, don't know if it's any use
but it's seems rather strange that a lot of processes are in a STATE usf
(not sure what this means but I don't sees this when the box is running
normally)

The kernel is mostly a generic with the following modifications:

options         IPFIREWALL
options         IPFIREWALL_VERBOSE
options         IPFIREWALL_VERBOSE_LIMIT=400
options         IPDIVERT
options         IPSEC
options         IPSEC_ESP
options         IPSEC_DEBUG
device ath
device ath_hal
options         KDB
options         DDB          

bash-2.05b# uname -a
FreeBSD bart.motd.dk 5.3-BETA7 FreeBSD 5.3-BETA7 #6: Tue Oct 19 00:36:59
CEST 2004     root at bart.motd.dk:/usr/obj/usr/src/sys/GW  i386

Any more info needed please let me know.

Best regards

- Tom

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last pid: 27710;  load averages:  0.06,  4.54,  6.90            up 1+00:00:50  00:06:27
211 processes: 1 running, 210 sleeping
CPU states:  0.8% user,  0.0% nice,  0.0% system,  0.4% interrupt, 98.8% idle
Mem: 64M Active, 48M Inact, 58M Wired, 9292K Cache, 28M Buf, 568K Free
Swap: 491M Total, 118M Used, 372M Free, 24% Inuse

  PID USERNAME PRI NICE   SIZE    RES STATE    TIME   WCPU    CPU COMMAND
  806 www       -4    0   110M  3764K ufs      5:55  0.00%  0.00% java
  382 root      96    0  1348K   204K select   0:43  0.00%  0.00% natd
 1156 tom        4    0  6092K   344K select   0:34  0.00%  0.00% sshd
50265 root      96    0  2616K  1084K RUN      0:33  0.00%  0.00% top
  682 tom       96    0  6092K   632K select   0:20  0.00%  0.00% sshd
  853 vscan     20    0 28440K   124K kserel   0:18  0.00%  0.00% clamd
  549 dnslog    -8    0  1216K   256K piperd   0:07  0.00%  0.00% multilog
  839 root      96    0  7156K   544K select   0:06  0.00%  0.00% httpd
  832 vscan      4    0 31544K   808K select   0:06  0.00%  0.00% perl
  532 root      -8    0  1180K   184K piperd   0:05  0.00%  0.00% readproctitle
  531 root      -4    0  1236K   148K ufs      0:05  0.00%  0.00% svscan
85831 vscan      4    0 32620K    12K select   0:04  0.00%  0.00% perl
87607 vscan     20    0 32676K    12K lockf    0:04  0.00%  0.00% perl
49767 root      96    0   572K   124K select   0:04  0.00%  0.00% make
 1032 root      96    0  4876K   228K select   0:04  0.00%  0.00% master
 1691 tom        4    0  6092K   352K select   0:03  0.00%  0.00% sshd
49992 root       4    0  1216K   104K kqread   0:03  0.00%  0.00% tail
  439 root      96    0  1312K   380K select   0:03  0.00%  0.00% syslogd
25940 root      96    0  9080K  8960K select   0:03  0.00%  0.00% make
  541 dnscache   4    0  2544K   532K select   0:03  0.00%  0.00% dnscache
 1034 postfix    4    0  4968K   312K select   0:02  0.00%  0.00% qmgr
49814 root      96    0   792K   244K select   0:02  0.00%  0.00% make
 1712 root      -4    0  2224K   548K ufs      0:01  0.00%  0.00% bash
27424 root      -8    0  1356K   688K piperd   0:01  0.00%  0.00% cron
22110 root      96    0  3148K  1484K select   0:01  0.00%  0.00% make
25339 root      96    0  3772K  3640K select   0:01  0.00%  0.00% make
 1164 root       8    0  2224K    12K wait     0:01  0.00%  0.00% bash
  580 root      -4    0  1356K   188K ufs      0:01  0.00%  0.00% cron
27591 root      -4    0  7324K  5920K ufs      0:00  0.00%  0.00% cc1
18691 root      96    0   788K   272K select   0:00  0.00%  0.00% make
  718 root       8    0  2224K    12K wait     0:00  0.00%  0.00% bash
25312 root      96    0  1476K   780K select   0:00  0.00%  0.00% make
27607 root      -4    0  6424K  4992K ufs      0:00  0.00%  0.00% cc1
27484 root      -8    0  4884K  1872K piperd   0:00  0.00%  0.00% sendmail
23359 root      96    0   776K   268K select   0:00  0.00%  0.00% make
27534 root      -8    0  4864K  1720K piperd   0:00  0.00%  0.00% postdrop
27646 root      -4    0  5744K  4352K ufs      0:00  0.00%  0.00% cc1
26158 root      96    0   892K   768K select   0:00  0.00%  0.00% make
18707 root      96    0   552K   268K select   0:00  0.00%  0.00% make
  879 root       4    0  1260K   176K select   0:00  0.00%  0.00% couriertcpd
26624 root      96    0   972K   844K select   0:00  0.00%  0.00% make
27659 root      -4    0  5220K  3712K ufs      0:00  0.00%  0.00% cc1
  870 root       4    0  1420K    64K select   0:00  0.00%  0.00% authdaemond.plain
  919 dhcpd      4    0  2252K    12K select   0:00  0.00%  0.00% dhcpd
  872 root       4    0  1420K    64K select   0:00  0.00%  0.00% authdaemond.plain
  873 root       4    0  1420K    64K select   0:00  0.00%  0.00% authdaemond.plain
  538 root       4    0  1188K    92K select   0:00  0.00%  0.00% supervise
  868 root       4    0  1420K    64K select   0:00  0.00%  0.00% authdaemond.plain
  866 root       4    0  1420K    64K select   0:00  0.00%  0.00% authdaemond.plain
  869 root       4    0  1420K    64K select   0:00  0.00%  0.00% authdaemond.plain
  537 root       4    0  1188K    92K select   0:00  0.00%  0.00% supervise
  871 root       4    0  1420K    64K select   0:00  0.00%  0.00% authdaemond.plain
  874 root       4    0  1420K    64K select   0:00  0.00%  0.00% authdaemond.plain
  864 root       4    0  1376K    64K select   0:00  0.00%  0.00% authdaemond.plain
  536 root       4    0  1188K    92K select   0:00  0.00%  0.00% supervise
  867 root       4    0  1420K    64K select   0:00  0.00%  0.00% authdaemond.plain
  875 root       4    0  1420K    64K select   0:00  0.00%  0.00% authdaemond.plain
  943 root       4    0  1232K    12K select   0:00  0.00%  0.00% moused
  535 root       4    0  1188K    92K select   0:00  0.00%  0.00% supervise
18768 root      96    0   536K   264K select   0:00  0.00%  0.00% make
  849 www       20    0  7312K    12K lockf    0:00  0.00%  0.00% httpd
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