the shm facility uses files in /tmp for its communication
(so much for memory speed). look in /tmp for the files created.
I hestitate to recommend using strace on postmaster but it may provide
some clues....
On Thu, 30 Mar 2000, Niall Dalton wrote:
> Hi,
>
> > One assumes you are running Linux.
> Yes, sorry for not being clear.
> Kernel 2.2.12-20smp.
>
>
> > shm is provided by iBCS .
> > make sure that it is loaded (use lsmod).
> Yes, it is loaded, as shown below, but I still
> get permission denied errors.
>
>
> [postgres@machine postgres]$ /sbin/lsmod
> Module Size Used by
> iBCS 117824 0
> eepro100 12272 1 (autoclean)
> st 24960 0 (unused)
> aic7xxx 112304 6
> [postgres@machine postgres]$ /usr/local/pgsql/bin/postmaster -D
> /usr/local/pgsql/data
> IpcMemoryCreate: shmget failed (Permission denied) key=5432010,
> size=120, permission=700
> IpcMemoryAttach: shmat failed (Permission denied) id=3201
> FATAL 1: AttachSLockMemory: could not attach segment
> [postgres@statler postgres]$
>
>
> Thanks for the help,
> Niall
>
