Please, Urgent: Need ideas/help to solve PR bin/51586
LarsKöller
Lars.Koeller at Uni-Bielefeld.DE
Fri May 9 05:23:40 PDT 2003
----------
Dear experts,
first of all thanks for the help. However the problem is not solved.
Attaches are the tcpdum od machine1 (rsh-Client) and machin2 (rshd).
Both are FreeBSD4.8-RELEASE.
In reply to Mike Silbersack who wrote:
>
> On Thu, 8 May 2003, Lars [iso-8859-1] Köller wrote:
>
> > NO,NO! Netstat says nothing about that. Even I tune msl time to go out
> > of TIME_WAIT very fast (only intranet connection on same switch!).
> >
> > The ethereal dump in the PR shown, that an initial communication takes
> > place, but the final ACK to establish the connection fails!
>
> Could you get a tcpdump -v of that problem occuring? I find what your
> logs are showing hard to believe, there must be something really strange
> occuring. Can you also show the output of netstat for the ports in
> question to show what state the sockets on either end are in during that
> time period?
>
> Also, does netstat -s show any counters increasing that talk about listen
> queue overflows or any packets being dropped?
No, they are always 0.
Here are the netstat during the hang of machine1(rsh):
75148 : netstat -an
Active Internet connections (including servers)
Proto Recv-Q Send-Q Local Address Foreign Address (state)
tcp4 0 0 *.961 *.* LISTEN
tcp4 0 0 129.70.4.48.962 129.70.4.44.514 ESTABLISHED
tcp4 0 0 129.70.4.48.6100 129.70.4.48.1588 ESTABLISHED
tcp4 0 0 129.70.4.48.1588 129.70.4.48.6100 ESTABLISHED
tcp4 0 0 129.70.4.48.6100 129.70.4.48.1587 ESTABLISHED
tcp4 0 0 129.70.4.48.1587 129.70.4.48.6100 ESTABLISHED
tcp4 0 0 129.70.4.48.6100 129.70.4.48.1586 ESTABLISHED
tcp4 0 20 129.70.4.48.1586 129.70.4.48.6100 ESTABLISHED
tcp4 0 0 129.70.4.48.22 129.70.4.48.1585 ESTABLISHED
tcp4 0 0 129.70.4.48.1585 129.70.4.48.22 ESTABLISHED
tcp4 0 0 129.70.4.48.6100 129.70.4.48.1025 ESTABLISHED
tcp4 0 0 129.70.4.48.1025 129.70.4.48.6100 ESTABLISHED
tcp4 0 0 129.70.4.48.6100 129.70.4.48.1024 ESTABLISHED
tcp4 0 0 129.70.4.48.1024 129.70.4.48.6100 ESTABLISHED
tcp4 0 0 *.6100 *.* LISTEN
tcp4 0 68 129.70.4.48.22 129.70.202.15.43763 ESTABLISHED
tcp4 0 0 *.587 *.* LISTEN
tcp4 0 0 *.25 *.* LISTEN
tcp4 0 0 *.22 *.* LISTEN
tcp4 0 0 *.515 *.* LISTEN
tcp4 0 0 *.514 *.* LISTEN
tcp4 0 0 *.1022 *.* LISTEN
tcp4 0 0 *.2049 *.* LISTEN
tcp4 0 0 *.1023 *.* LISTEN
tcp4 0 0 *.111 *.* LISTEN
udp4 0 0 *.1011 *.*
udp4 0 0 *.2049 *.*
udp4 0 0 *.1023 *.*
udp4 0 0 *.111 *.*
udp4 0 0 127.0.0.1.123 *.*
udp4 0 0 129.70.4.48.123 *.*
udp4 0 0 *.123 *.*
udp4 0 0 *.514 *.*
Active UNIX domain sockets
Address Type Recv-Q Send-Q Inode Conn Refs Nextref Addr
e1e6d320 stream 0 0 0 e1e6d640 0 0
e1e6d640 stream 0 0 0 e1e6d320 0 0
e1e6d5a0 stream 0 0 0 e1e6d280 0 0
e1e6d280 stream 0 0 0 e1e6d5a0 0 0
e1e6daa0 stream 0 0 e206a740 0 0 0 /var/run/sophie
e1e6d780 stream 0 0 0 e1e6d820 0 0
e1e6d820 stream 0 0 0 e1e6d780 0 0
e1e6d960 stream 0 0 0 e1e6d8c0 0 0
e1e6d8c0 stream 0 0 0 e1e6d960 0 0
e1e6dd20 stream 0 0 e1ea69c0 0 0 0 /var/run/printer
e1e6db40 dgram 0 0 0 e1e4ef00 0 e1e6dbe0
e1e6dbe0 dgram 0 0 0 e1e4ef00 0 e1e6dc80
e1e6dc80 dgram 0 0 0 e1e4ef00 0 e1e6ddc0
e1e6ddc0 dgram 0 0 0 e1e4ef00 0 e1e6de60
e1e6de60 dgram 0 0 0 e1e4ef00 0 e1e6df00
e1e6df00 dgram 0 0 0 e1e4ef00 0 0
e1e4ef00 dgram 0 0 e1e4b880 0 e1e6db40 0 /var/run/log
netstat of machine2 (rshd):
74977 : netstat -an
Active Internet connections (including servers)
Proto Recv-Q Send-Q Local Address Foreign Address (state)
tcp4 0 0 129.70.4.44.623 129.70.4.48.961 SYN_SENT
tcp4 0 0 129.70.4.44.514 129.70.4.48.962 ESTABLISHED
tcp4 0 0 129.70.4.44.6100 129.70.4.44.1432 ESTABLISHED
tcp4 0 0 129.70.4.44.1432 129.70.4.44.6100 ESTABLISHED
tcp4 0 0 129.70.4.44.6100 129.70.4.44.1431 ESTABLISHED
tcp4 0 0 129.70.4.44.1431 129.70.4.44.6100 ESTABLISHED
tcp4 0 0 129.70.4.44.6100 129.70.4.44.4805 ESTABLISHED
tcp4 0 20 129.70.4.44.4805 129.70.4.44.6100 ESTABLISHED
tcp4 0 0 *.6100 *.* LISTEN
tcp4 0 68 129.70.4.44.22 129.70.202.15.34461 ESTABLISHED
tcp4 0 0 *.587 *.* LISTEN
tcp4 0 0 *.25 *.* LISTEN
tcp4 0 0 *.514 *.* LISTEN
tcp4 0 0 *.22 *.* LISTEN
tcp4 0 0 *.515 *.* LISTEN
udp4 0 0 127.0.0.1.123 *.*
udp4 0 0 129.70.4.44.123 *.*
udp4 0 0 *.123 *.*
udp4 0 0 *.514 *.*
udp4 0 0 129.70.4.44.1019 129.70.4.48.2049
Active UNIX domain sockets
Address Type Recv-Q Send-Q Inode Conn Refs Nextref Addr
e1e6ea00 stream 0 0 0 0 0 0
e1e6e820 stream 0 0 0 0 0 0
e1e6eb40 stream 0 0 e2262840 0 0 0 /var/run/sophie
e1e6eaa0 stream 0 0 0 e1e6e6e0 0 0
e1e6e6e0 stream 0 0 0 e1e6eaa0 0 0
e1e6e640 stream 0 0 0 e1e6e780 0 0
e1e6e780 stream 0 0 0 e1e6e640 0 0
e1e6edc0 stream 0 0 e1e82e40 0 0 0 /var/run/printer
e1e6ed20 dgram 0 0 0 e1e4ff00 0 e1e6ebe0
e1e6ebe0 dgram 0 0 0 e1e4ff00 0 e1e6ec80
e1e6ec80 dgram 0 0 0 e1e4ff00 0 e1e6ee60
e1e6ee60 dgram 0 0 0 e1e4ff00 0 e1e6ef00
e1e6ef00 dgram 0 0 0 e1e4ff00 0 0
e1e4ff00 dgram 0 0 e1e49e00 0 e1e6ed20 0 /var/run/log
Best regards
Lars
--
E-Mail: Lars.Koeller at Uni-Bielefeld.DE \ Lars Köller
lkoeller at FreeBSD.org \ CC University of
PGP: http://www.uk.pgp.net/pgpnet/wwwkeys.html \ Bielefeld, Germany
Key-ID: A430D499 \ Tel: +49 521 106 4964
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