Re: shmctl EIDRM preventing startup

Alvaro Herrera <alvherre@commandprompt.com> writes:
> Maybe what is happening is that an entirely unrelated process created a
> segment with that ID, attached to it, and then it was deleted.  I don't
> know how to check however.

AFAIK, EIDRM should imply that the segment has been IPC_RMID'd but still
exists because there are still processes attached to it.  So the thing
to look for is processes still attached.  Not 100% sure how to do that,
but I'm sure the info is exposed under /proc somehow...

            regards, tom lane