postgres 7.3 IpcSemaphoreCreate: semget(key=1, num=17, 03600)failed: Function not implemented
Mon Dec 9 10:41:00 GMT 2002
Jason Tishler wrote:
> On Mon, Dec 09, 2002 at 12:05:16AM +0100, Dan Holmsand wrote:
>>I get a similar error:
>>IpcSemaphoreInitialize: semctl(id=2, 0, SETVAL, 0) failed: Invalid argument
> The above is noted in the README:
> 2. It is recommended to delete all cygipc temporary files
> (/tmp/cygipc* and /tmp/MultiFile*) before starting postmaster under
> a different user account. Otherwise, postmaster will fail to start
> due to IPC errors.
I know. However, this doesn't necessarily help if ipc-daemon is run by
one account (say, "system" or "administrator") and postmaster by another
(say, "postgres"). In my experience at least, postgres must have read
AND write rights to the /tmp/MultiFile* files, otherwise you get the
above error on startup.
That is not entirely clear in the README, imho.
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