| once again: too many orphaned sockets (1 in CTXXXX) [message #42497] |
Fri, 22 April 2011 15:42  |
afflux
Messages: 3
Registered: April 2011
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Junior Member |
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Hi,
I've read some postings and emails about this, but they were mostly related to CT0. I keep getting those messages about CT1050 (one of six CTs on my HN) since last night:
[491461.374791] TCP: too many of orphaned sockets (1 in CT1050)
Problem now is: I can't find the reason for this.
# netstat -aeenp | grep tcp
tcp 0 0 0.0.0.0:3690 0.0.0.0:* LISTEN 0 15700346 295/svnserve
tcp 0 0 0.0.0.0:8010 0.0.0.0:* LISTEN 112 15700301 269/python
tcp 0 0 0.0.0.0:143 0.0.0.0:* LISTEN 0 15700358 308/dovecot
tcp 0 0 0.0.0.0:80 0.0.0.0:* LISTEN 0 15700508 378/lighttpd
tcp 0 0 0.0.0.0:5269 0.0.0.0:* LISTEN 110 15700045 177/jabberd2-s2s
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN 0 15700146 261/master
tcp 0 0 0.0.0.0:443 0.0.0.0:* LISTEN 0 15700509 378/lighttpd
tcp 0 0 0.0.0.0:2237 0.0.0.0:* LISTEN 0 15699735 88/sshd
tcp 0 0 0.0.0.0:993 0.0.0.0:* LISTEN 0 15700359 308/dovecot
tcp 0 0 0.0.0.0:5347 0.0.0.0:* LISTEN 110 15699964 167/jabberd2-router
tcp 0 0 0.0.0.0:389 0.0.0.0:* LISTEN 0 15699826 144/slapd
tcp 0 0 0.0.0.0:5222 0.0.0.0:* LISTEN 110 15700048 182/jabberd2-c2s
tcp 0 0 127.0.0.1:48170 127.0.0.1:5347 ESTABLISHED 110 15700028 182/jabberd2-c2s
tcp 0 0 127.0.0.1:5347 127.0.0.1:48170 ESTABLISHED 110 15700029 167/jabberd2-router
tcp 0 0 127.0.0.1:51898 127.0.0.1:389 ESTABLISHED 110 15700021 182/jabberd2-c2s
tcp 0 0 127.0.0.1:389 127.0.0.1:51900 ESTABLISHED 103 15700408 144/slapd
tcp 0 0 127.0.0.1:48168 127.0.0.1:5347 ESTABLISHED 110 15700010 177/jabberd2-s2s
tcp 0 0 127.0.0.1:5347 127.0.0.1:48168 ESTABLISHED 110 15700011 167/jabberd2-router
tcp 0 0 127.0.0.1:51901 127.0.0.1:389 ESTABLISHED 0 15700426 323/dovecot-auth
tcp 0 0 127.0.0.1:389 127.0.0.1:51898 ESTABLISHED 103 15700023 144/slapd
tcp 0 0 127.0.0.1:389 127.0.0.1:51901 ESTABLISHED 103 15700427 144/slapd
tcp 0 0 127.0.0.1:51900 127.0.0.1:389 ESTABLISHED 0 15700406 309/dovecot-auth
tcp6 0 0 :::25 :::* LISTEN 0 15700148 261/master
tcp6 0 0 :::2237 :::* LISTEN 0 15699737 88/sshd
tcp6 0 0 :::389 :::* LISTEN 0 15699827 144/slapd
They don't look orphaned to me. Also: it complains about 1 orphaned socket, while net.ipv4.tcp_max_orphans is 262144, and numtcpsock is 34 (with limit=barrier=360). Another criteria I read about was net.ipv4.tcp_mem, but afaik these are limits, and I don't know where to find the actual values.
Also note that these messages disappear when the machine is shut down, but reappear when I start it again.
The kernel is linux-image-2.6.32-5-openvz-amd64 (version 2.6.32-31) from debian squeeze.
Please let me know if you need any additional info.
Thanks for your help in advance.
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