unknown slowdown

Simon Strandgaard neoneye at adslhome.dk
Thu Jan 1 10:49:26 PST 2004


In my wardrobe I have my noisy/fast server, to which I can connect via
the xdmcp protocol, either with my silent desktop machine or if im not
at home I can use ssh. It worked fluently for 6 months, but recently it
has become non-responsive and lagging. The network speed are 100Mbits
and I have killed all suspicius processes. I have even tried to restart
the server, but no luck. 

Over time the problem seems to get worse. But I cannot see any processes
which has went loose.

server> ps aux
USER      PID %CPU %MEM   VSZ  RSS  TT  STAT STARTED      TIME COMMAND
root       11 95.8  0.0     0   12  ??  RL   Sun03PM 5965:54.67  (idle)
root       10  0.0  0.0     0   12  ??  DL   Sun03PM   0:00.00  (ktrace)
root        1  0.0  0.1   740   84  ??  ILs  Sun03PM   0:00.13
/sbin/init --
root       12  0.0  0.0     0   12  ??  WL   Sun03PM   0:44.71  (swi1:
net)
root       13  0.0  0.0     0   12  ??  WL   Sun03PM   9:05.03  (swi7:
tty:sio clock)
root        2  0.0  0.0     0   12  ??  DL   Sun03PM   0:12.60 
(g_event)
root        3  0.0  0.0     0   12  ??  DL   Sun03PM   0:11.61  (g_up)
root        4  0.0  0.0     0   12  ??  DL   Sun03PM   0:21.98  (g_down)
root       15  0.0  0.0     0   12  ??  DL   Sun03PM   0:14.64  (random)
root        5  0.0  0.0     0   12  ??  IL   Sun03PM   0:00.00 
(acpi_task0)
root        6  0.0  0.0     0   12  ??  IL   Sun03PM   0:00.00 
(acpi_task1)
root        7  0.0  0.0     0   12  ??  IL   Sun03PM   0:00.00 
(acpi_task2)
root       23  0.0  0.0     0   12  ??  WL   Sun03PM   0:08.11  (irq14:
ata0)
root       24  0.0  0.0     0   12  ??  WL   Sun03PM   0:00.00  (irq15:
ata1)
root       25  0.0  0.0     0   12  ??  WL   Sun03PM   0:47.22  (irq10:
xl0)
root       26  0.0  0.0     0   12  ??  WL   Sun03PM   0:00.00  (irq6:
fdc0)
root       27  0.0  0.0     0   12  ??  WL   Sun03PM   0:00.00  (irq1:
atkbd0)
root        8  0.0  0.0     0   12  ??  DL   Sun03PM   0:10.30 
(pagedaemon)
root        9  0.0  0.0     0   12  ??  DL   Sun03PM   0:00.00 
(vmdaemon)
root       32  0.0  0.0     0   12  ??  DL   Sun03PM   0:08.33 
(pagezero)
root       33  0.0  0.0     0   12  ??  DL   Sun03PM   0:01.78 
(bufdaemon)
root       34  0.0  0.0     0   12  ??  DL   Sun03PM   1:47.70  (syncer)
root       35  0.0  0.0     0   12  ??  DL   Sun03PM   0:02.16  (vnlru)

root       36  0.0  0.0     0   12  ??  IL   Sun03PM   0:00.00  (nfsiod
0)
root       37  0.0  0.0     0   12  ??  IL   Sun03PM   0:00.00  (nfsiod
1)
root       38  0.0  0.0     0   12  ??  IL   Sun03PM   0:00.00  (nfsiod
2)
root       39  0.0  0.0     0   12  ??  IL   Sun03PM   0:00.00  (nfsiod
3)
root       72  0.0  0.0   872   12  ??  DLs  Sun03PM   0:00.00 vinum:
vinum daemon (vinum)
root      147  0.0  0.0   228   12  ??  Is   Sun03PM   0:00.00 adjkerntz
-i
root      255  0.0  0.4  1272  544  ??  Ss   Sun03PM   0:01.27
/usr/sbin/syslogd -s
root      390  0.0  0.4  3432  496  ??  Is   Sun03PM   0:00.52
/usr/sbin/sshd
root      412  0.0  0.5  1296  648  ??  Ss   Sun03PM   0:02.15
/usr/sbin/cron
root      458  0.0  0.4  1236  516  v0  Is+  Sun03PM   0:00.01
/usr/libexec/getty Pc ttyv0
root      459  0.0  0.4  1236  516  v1  Is+  Sun03PM   0:00.01
/usr/libexec/getty Pc ttyv1
root      460  0.0  0.4  1236  516  v2  Is+  Sun03PM   0:00.01
/usr/libexec/getty Pc ttyv2
root      461  0.0  0.4  1236  516  v3  Is+  Sun03PM   0:00.01
/usr/libexec/getty Pc ttyv3
root      462  0.0  0.4  1236  516  v4  Is+  Sun03PM   0:00.01
/usr/libexec/getty Pc ttyv4
root      463  0.0  0.4  1236  516  v5  Is+  Sun03PM   0:00.01
/usr/libexec/getty Pc ttyv5
root      464  0.0  0.4  1236  516  v6  Is+  Sun03PM   0:00.01
/usr/libexec/getty Pc ttyv6
root      465  0.0  0.4  1236  516  v7  Is+  Sun03PM   0:00.01
/usr/libexec/getty Pc ttyv7
root    16151  0.0  1.3  2988 1648  ??  I     3:52PM   0:00.03
/usr/X11R6/bin/xdm -nodaemon ttyv8
root    16194  0.0  1.8  3372 2268  ??  Is    4:07PM   0:00.08 xdm:
10.0.0.252:0 (xdm)
neoneye 16217  0.0  1.9  3628 2324  ??  Ss    4:12PM   0:00.78
/usr/X11R6/bin/blackbox
neoneye 16220  0.0  1.6  3348 1988  ??  I     4:12PM   0:00.48 bbkeys
root    16222  0.0  2.5  4660 3068  ??  Is    4:13PM   0:00.11 xterm -ls
neoneye 16223  0.0  0.9  1640 1072  p0  Is+   4:13PM   0:00.08 -tcsh
(tcsh)
neoneye 16312  0.0  0.3   920  364  p0  I     4:14PM   0:00.01 /bin/sh
./run-mozilla.sh ./mozilla-bin
neoneye 16323  0.2 30.7 48188 38208  p0  S     4:14PM   1:18.18
./mozilla-bin
root    16693  0.0  2.6  4732 3256  ??  Rs    6:51PM   0:00.19 xterm -ls
neoneye 16694  0.0  0.8  1552  956  p1  Ss    6:51PM   0:00.04 -tcsh
(tcsh)
root        0  0.0  0.0     0    4  ??  DLs  Sun03PM   0:00.51 
(swapper)
neoneye 16782  0.0  0.4   696  524  p1  R+    7:20PM   0:00.00 ps aux
server>

server> uname -a
FreeBSD server.neoneye.home 5.1-RELEASE FreeBSD 5.1-RELEASE #0: Thu Jun 
5 02:55:42 GMT 2003    
root at wv1u.btc.adaptec.com:/usr/obj/usr/src/sys/GENERIC  i386
server>

--
Simon Strandgaard



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