Adam,
    tcpdump | grep smtp
    And look and see what is happening on the packet level.

Sean
----- Original Message -----
From: Adam McKenna <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, August 04, 2000 5:37 PM
Subject: tcpserver hanging


> Does anyone know why tcpserver would do this?
>
> It seems to be randomly hanging on incoming connections, about 1 in every
10:
>
> Connection closed by foreign host.
> adam@orbicus:~$ telnet localhost 110
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
> +OK <25910.965424763@orbicus>
> quit
> +OK
> Connection closed by foreign host.
> adam@orbicus:~$ telnet localhost 110
> Trying 127.0.0.1...
> Connected to localhost.
> Escape character is '^]'.
> +OK <25912.965424764@orbicus>
> quit
> +OK
> Connection closed by foreign host.
>
> [a bunch more times]
>
> then... randomly, this will happen:
>
> adam@orbicus:~$ telnet localhost 110
> Trying 127.0.0.1...
> [hangs]
>
> Logs show nothing out of the ordinary:
>
> @40000000398b36852712097c tcpserver: status: 1/40
> @40000000398b368527154d6c tcpserver: pid 25910 from 127.0.0.1
> @40000000398b3685271c9c84 tcpserver: ok 25910 localhost:127.0.0.1:110
> :127.0.0.1::3755
> @40000000398b368605ccc39c tcpserver: end 25910 status 256
> @40000000398b368605cd486c tcpserver: status: 0/40
> @40000000398b36861a2ae01c tcpserver: status: 1/40
> @40000000398b36861a324a8c tcpserver: pid 25912 from 127.0.0.1
> @40000000398b36861a39dc0c tcpserver: ok 25912 localhost:127.0.0.1:110
> :127.0.0.1::3757
> @40000000398b368633f6a29c tcpserver: end 25912 status 256
> @40000000398b368633f7276c tcpserver: status: 0/40
>
> Here is the command I'm using to run tcpserver:
>
> adam@orbicus:~$ cat /var/qmail/supervise/qmail-popup/run
> #!/bin/sh
>
> PATH=$PATH:/var/qmail/bin:/usr/local/bin
>
> exec /usr/local/bin/softlimit -m 2000000 \
> tcpserver -R -H -v -x/etc/tcp.pop3.cdb -u0 0 110 qmail-popup
> orbicus /bin/checkpassword qmail-pop3d Maildir 2>&1
>
> Any ideas?  I've already recompiled both qmail and ucspi-tcp.  We had some
> disk problems recently so I wanted to make sure they weren't damaged
somehow.
>
> --Adam

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