mail server crashing with RPC error 12 ENOMEM

mail server crashing with RPC error 12 ENOMEM

[Michael Martinez]

Hey all -

We've got a mail server running RHEL AS 3 update 2, postfix, amavisd, 
imap, spamassassin, squirrelmail.

Mail is delivered to local spool. Users home directories are 
auto-mounted from nfs and each user has got their .procmailrc. The local 
copy of procmail on the mail server processes these rcs. We've got a 
couple thousand users.

This was working great for two months until a week and a half ago. Since 
then, every day the server freezes up. We go the console and see 'RPC: 
sendmsg returned error 12' messages scrolling by. The computer is 
unresponsive and the only thing we can do is a hard reboot.

We're stumped as to what's causing this. It appears error 12 is an 
ENOMEM (out of memory). So it seems something is trying to allocate 
memory and not getting it. But we don't know why or what. There's no log 
messages telling us anything useful.

Anyone got any ideas??

-- 
Regards,

Michael Martinez
Engineering Manager
Tech Computer Center (TCC), Speare Room 128
New Mexico Tech, 801 Leroy Place, Socorro, NM 87801
(505) 835-5388 mikem@nmt.edu
http://www.nmt.edu/tcc/
--
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http://atftplocalnet.sourceforge.net/

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Re: mail server crashing with RPC error 12 ENOMEM

[Steve Dickson]

Michael Martinez wrote:
> Hey all -
> 
> We've got a mail server running RHEL AS 3 update 2, postfix, amavisd, 
> imap, spamassassin, squirrelmail.
> 
> Mail is delivered to local spool. Users home directories are 
> auto-mounted from nfs and each user has got their .procmailrc. The local 
> copy of procmail on the mail server processes these rcs. We've got a 
> couple thousand users.
> 
> This was working great for two months until a week and a half ago. Since 
> then, every day the server freezes up. We go the console and see 'RPC: 
> sendmsg returned error 12' messages scrolling by. The computer is 
> unresponsive and the only thing we can do is a hard reboot.
I seem to remember this as being an issue with the VM...
Make sure your are running RHEL3 U8 since I believe the
fixed is in there...

steved.

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