Re: IpcSemaphoreKill: ...) failed: Invalid argument - Mailing list pgsql-hackers

From Christopher Kings-Lynne
Subject Re: IpcSemaphoreKill: ...) failed: Invalid argument
Date
Msg-id 043501c2d6ed$d2266500$6500a8c0@fhp.internal
Whole thread Raw
In response to IpcSemaphoreKill: ...) failed: Invalid argument  (Christoph Haller <ch@rodos.fzk.de>)
List pgsql-hackers
> This is a fairly spectacular failure :-(.  As far as I can see from the
> semctl and shmctl man pages, the only plausible reason for EINVAL is
> that something had deleted the semaphores and shared memory out from
> under Postgres.  I do not believe that Postgres itself could have done
> that --- it had to be some external agency.  Unless the kernel is
> broken, whatever requested those deletions had to be running as root or
> as postgres in order to have the necessary permissions.  You sure you
> didn't have some loose-cannon script running around issuing ipcrm
> commands?

Or ipcclean?

Chris




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