| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Dmitry Tkach <dmitry(at)openratings(dot)com> |
| Cc: | pgsql-bugs(at)postgresql(dot)org, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: [GENERAL] Weird postmaster crashes |
| Date: | 2003-06-10 20:36:37 |
| Message-ID: | 4602.1055277397@sss.pgh.pa.us |
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| Lists: | pgsql-bugs pgsql-general |
Dmitry Tkach <dmitry(at)openratings(dot)com> writes:
> 2003-06-10 13:53:32 [14551] FATAL 1: LWLockAcquire: can't wait without
> a PROC structure
> Could you give me some idea on what circumstances cause this to happen?
IIRC, it's an order-of-operations mistake during backend shutdown: the
proc structure is deallocated while it's still possible to receive an
interrupt from another backend --- and if you get such an interrupt, you
need the proc. So from the user's point of view it's pretty
unpredictable.
Short answer: upgrade. This is not the only nasty bug in 7.2.1.
regards, tom lane
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