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Re: BUG #18832: Segfault in GrantLockLocal - Mailing list pgsql-bugs

From Álvaro Herrera
Subject Re: BUG #18832: Segfault in GrantLockLocal
Date
Msg-id 202503071037.nrgp6vmhflcl@alvherre.pgsql
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In response to Re: BUG #18832: Segfault in GrantLockLocal  (Richard Guo <guofenglinux@gmail.com>)
Responses Re: BUG #18832: Segfault in GrantLockLocal
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On 2025-Mar-07, Richard Guo wrote:

> I encountered the same issue months ago and reported it here [1].
> Heikki suspected that commit 3c0fd64fec might be the culprit.
> Unfortunately, we haven't been able to track it down because we
> couldn't find a reliable way to reproduce it.

One way to capture this might be to run the problem workload under rr
enough times until it reproduces, and then it can then be replayed under
the debugger.


https://wiki.postgresql.org/wiki/Getting_a_stack_trace_of_a_running_PostgreSQL_backend_on_Linux/BSD#Recording_Postgres_using_rr_Record_and_Replay_Framework

-- 
Álvaro Herrera               48°01'N 7°57'E  —  https://www.EnterpriseDB.com/

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