topic Re: msgmap limit in Operating System - HP-UX

msgmap limit

rodrigo escamilla — Mon, 15 Jul 2002 17:05:20 GMT

If an overflow occurs when the kernel requests
space for a new message or releases space used by a received message,
the system issues the message:

DANGER: mfree map overflow

Would this error show up in the syslog???

Re: msgmap limit

Michael Tully — Tue, 16 Jul 2002 02:13:03 GMT

This may not print to syslog, but most likely will to the dmesg output. There is a small procedure you can do utilising 'cron' that will place these messages from 'dmesg' output into the 'syslog'. This procedure is mentioned as part of the 'dmesg' man page.

1,11,21,31,41,51 * * * * /usr/bin/dmesg - >> /var/adm/syslog/syslog.log

Re: msgmap limit

S.K. Chan — Tue, 16 Jul 2002 02:24:05 GMT

Yes it will be logged in /var/adm/syslog/syslog.log. It will look like this ..

vmunix: danger: mfree map overflow

Re: msgmap limit

T G Manikandan — Tue, 16 Jul 2002 03:09:38 GMT

This error shows on syslog.log file.

When the semaphore usage is heavy on the system you get these messages in the syslog.

Increase the value of semmap
in the kernel.

THanks