| From: | Tomas Vondra <tomas(at)vondra(dot)me> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: occasional ECPG failures on dikkop (FreeBSD) |
| Date: | 2026-06-30 08:10:13 |
| Message-ID: | 1830ad18-0f45-4058-85af-3e5a97f16d7d@vondra.me |
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| Lists: | pgsql-hackers |
On 6/30/26 03:43, Tom Lane wrote:
> Tomas Vondra <tomas(at)vondra(dot)me> writes:
>> On 5/6/26 16:15, Tom Lane wrote:
>>> Yeah. Given that these are threading tests, I'm suspecting some
>>> change in thread scheduling behavior in this latest FBSD release,
>>> which somehow made it easier to hit a pre-existing issue.
>
>> The backtrace is exactly the one I posted earlier. Turns out snprintf()
>> is not as thread-safe as I thought.
>
> Nice detective work! I assume you've filed a FreeBSD bug?
>
Not yet, I need to create an account for their bugzilla, which requires
mailing maintainers etc. Working on it.
regards
--
Tomas Vondra
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