From: | Andres Freund <andres(at)anarazel(dot)de> |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
Subject: | hash_xlog_split_allocate_page: failed to acquire cleanup lock |
Date: | 2022-08-10 02:26:17 |
Message-ID: | 20220810022617.fvjkjiauaykwrbse@awork3.anarazel.de |
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Lists: | pgsql-hackers |
Hi,
One CI run for the meson branch just failed in a way I hadn't seen before on
windows, when nothing had changed on windows
https://cirrus-ci.com/task/6111743586861056
027_stream_regress.pl ended up failing due to a timeout. Which in turn was
caused by the standby crashing.
2022-08-10 01:46:20.731 GMT [2212][startup] PANIC: hash_xlog_split_allocate_page: failed to acquire cleanup lock
2022-08-10 01:46:20.731 GMT [2212][startup] CONTEXT: WAL redo at 0/7A6EED8 for Hash/SPLIT_ALLOCATE_PAGE: new_bucket 31, meta_page_masks_updated F, issplitpoint_changed F; blkref #0: rel 1663/16384/24210, blk 23; blkref #1: rel 1663/16384/24210, blk 45; blkref #2: rel 1663/16384/24210, blk 0
abort() has been called2022-08-10 01:46:31.919 GMT [7560][checkpointer] LOG: restartpoint starting: time
2022-08-10 01:46:32.430 GMT [8304][postmaster] LOG: startup process (PID 2212) was terminated by exception 0xC0000354
The relevant code triggering it:
newbuf = XLogInitBufferForRedo(record, 1);
_hash_initbuf(newbuf, xlrec->new_bucket, xlrec->new_bucket,
xlrec->new_bucket_flag, true);
if (!IsBufferCleanupOK(newbuf))
elog(PANIC, "hash_xlog_split_allocate_page: failed to acquire cleanup lock");
Why do we just crash if we don't already have a cleanup lock? That can't be
right. Or is there supposed to be a guarantee this can't happen?
Greetings,
Andres Freund
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