| From: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
|---|---|
| To: | Tomas Vondra <tomas(at)vondra(dot)me> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: strange valgrind reports about wrapper_handler on 64-bit arm |
| Date: | 2025-03-09 02:16:49 |
| Message-ID: | Z8z6EaT89FL7UUBU@nathan |
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| Lists: | pgsql-hackers |
On Sat, Mar 08, 2025 at 11:48:22PM +0100, Tomas Vondra wrote:
> Shortly after restarting this I got three more reports - all of them are
> related to strcoll_l. This is on c472a18296e4, i.e. with the asserts
> added in this thread etc. But none of those seem to fail.
> ==189168== at 0xA683CC: wrapper_handler (pqsignal.c:90)
> ==189168== at 0xA683F0: wrapper_handler (pqsignal.c:91)
> ==189168== at 0xA684D4: wrapper_handler (pqsignal.c:110)
This appears to refer to the following lines:
Assert(postgres_signal_arg > 0);
Assert(postgres_signal_arg < PG_NSIG);
(*pqsignal_handlers[postgres_signal_arg]) (postgres_signal_arg);
The common ingredient seems to be postgres_signal_arg. I haven't found
anything else that seems helpful.
--
nathan
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