| From: | Andreas Seltenreich <seltenreich(at)gmx(dot)de> |
|---|---|
| To: | Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [sqlsmith] Failed assertion in _hash_kill_items/MarkBufferDirtyHint |
| Date: | 2017-03-27 18:30:51 |
| Message-ID: | 87a8868td0.fsf@credativ.de |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Ashutosh Sharma writes:
>> TRAP: FailedAssertion("!(LWLockHeldByMe(((LWLock*) (&(bufHdr)->content_lock))))", File: "bufmgr.c", Line: 3397)
> Thanks for reporting this problem. Could you please let me know on for
> how long did you run sqlsmith to get this crash.
I got about one TRAP per hour when testing on 20 nodes with one postgres
and 5 sqlsmithes on each. Nodes are tiny consumer machines with
low-power 4-core sandy bridges.
> [2. reacquire_lock_hashkillitems_if_required.patch]
I'll test with your patch applied as soon as time permits and report
back.
regards,
Andreas
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Fabien COELHO | 2017-03-27 19:25:39 | Re: \if, \elseif, \else, \endif (was Re: PSQL commands: \quit_if, \quit_unless) |
| Previous Message | Jesper Pedersen | 2017-03-27 18:26:20 | Re: [POC] A better way to expand hash indexes. |