TCP socket communications error

[Daniel Fernandez Illan]

Hi all,
We have a HP-UX 11.23v2 itanium machine, and we had detected this problem on socket communications.
After sometime when application is running appears this message:

Connection reset by peer
No buffer space available

We have increased tcp_conn_request_max and dbc_max_pct parameters on recept machine but the problem persists.
(Communications are established using TCP sockets between two HP-UX machines).
Some idea?
Thanks in advance

[Kenan Erdey]

Hi,

i made a itrc search and found it's a problem called enobufs. this is the url. hope it helps:

http://www.dutchworks.nl/htbin/hpsysadmin?h=3&dn=86590&q=accept:%20No%20buffer%20space%20available&fh

Kenan.

[Steven E. Protter]

Shalom,

This may be an application problem. I can't currently see the relationship between the error message and action taken.

Is this happening with all applications or just one. If its one, look at a patch for the application.

If its all, it could be a problem requiring a bi-annual patch update or even a more recent specific patch from HP.

SEP

[Daniel Fernandez Illan]

Hi

Kenan

Thanks for you information. We have checked application sources and we hav included the control of ENOBUFS error.

SEP

I think that the problem is related with system resources, because this message appears during sometime and, after application restart, they works fine, but the problems appears later.

The attached file shows counters of tcp statistics.

Saludos.
Daniel.

[Daniel Fernandez Illan]

Hi all
We have increase system resources, because the error was produced by inetd daemon.
Thanks to all

Saludos.
Daniel.