[cobalt-users] [RaQ4] stops responding on all but ping

[<support@xxxxxxxxxxxxx>]

Hi,

One of our servers repeatedly stops responding on all request all though it
still replies on ping requests.
The server in question is a RaQ4 with 128mb memory
Output from top after a restart:

 11:50am  up 21 min,  1 user,  load average: 0.13, 0.09, 0.16
130 processes: 129 sleeping, 1 running, 0 zombie, 0 stopped
CPU states:  1.9% user,  2.5% system,  0.0% nice, 95.5% idle
Mem:   127860K av,  116356K used,   11504K free,  395840K shrd,   10760K
buff
Swap:  131532K av,      20K used,  131512K free                   29524K
cached

Today I checked the logfile and found these entries at the time it stopped
responding.

Oct 14 12:58:58 ww3 kernel: Suspect TCP fragment.
Oct 14 12:58:58 ww3 kernel: eth0 PROTO=6 218.122.122.1:0 193.xxx.xxx.xxx:0
L=40 S=0x00 I=0 F=0x0001 T=224 (#0)
Oct 17 07:41:10 ww3 kernel: Suspect TCP fragment.
Oct 17 07:41:10 ww3 kernel: eth0 PROTO=6 24.176.137.45:0 193.xxx.xxx.xxx:0
L=40 S=0x00 I=0 F=0x0001 T=233 (#0)
Oct 17 07:41:10 ww3 kernel: Suspect TCP fragment.
Oct 17 07:41:10 ww3 kernel: eth0 PROTO=6 24.176.137.45:0 193.xxx.xxx.xxx:0
L=40 S=0x00 I=0 F=0x0001 T=233 (#0)
Oct 17 21:32:41 ww3 kernel: VM: do_try_to_free_pages failed for caspeng...
Oct 19 05:33:42 ww3 kernel: Unable to load interpreter /lib/ld-linux.so.2
Oct 19 11:39:54 ww3 kernel: klogd 1.3-3, log source = /proc/kmsg started.


Oct 19 15:45:01 ww3 kernel: VM: do_try_to_free_pages failed for httpd...
Oct 19 15:45:01 ww3 kernel: VM: do_try_to_free_pages failed for httpd...
Oct 20 07:35:21 ww3 kernel: Suspect TCP fragment.
Oct 20 07:35:21 ww3 kernel: eth0 PROTO=6 65.35.162.149:0 193.xxx.xxx.xxx:0
L=40 S=0x00 I=0 F=0x0001 T=237 (#0)
Oct 20 11:34:51 ww3 kernel: klogd 1.3-3, log source = /proc/kmsg started.

can someone please shed somelight on what might be the cause of the problem.
Just to make sure I killed the webalizer.pl file to prevent overloading the
system

Erik Venema
DutchNet
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