From: David Bremner <david@tethera.net>
To: Alyssa Ross <hi@alyssa.is>, notmuch@notmuchmail.org
Cc: Puck Meerburg <puck@puckipedia.org>
Subject: Re: T568-lib-thread is non-deterministic
Date: Fri, 30 Jul 2021 10:17:02 -0300 [thread overview]
Message-ID: <878s1o54c1.fsf@tethera.net> (raw)
In-Reply-To: <871reno6g7.fsf@alyssa.is>
Alyssa Ross <hi@alyssa.is> writes:
> T568-lib-thread assums that there will always be a thread with ID
> thread:0000000000000009, but this turns out not to be the case.
>
> This was reported to us in Nixpkgs[1], where it caused builds of our
> notmuch package to intermittently fail, and I was able to
> (intermittently) reproduce. We are going to work around this problem
> for now by disabling T568. I can provide a Xapian DB generated by this
> test with no thread with that ID if that's helpful. I believe this also
> explains this report previously sent to the Notmuch mailing list[2].
>
> Note on reproducing: I found that it often would succeed repeatedly
> many, many times before failing, and then failing consistently for a
> while. My co-conspirator Puck (CCed) thinks this might be due to how
> directory order works in ZFS (which just happens to be the filesystem we
> are using).
Sorry for the delay in replying. This should be fixed in commit a37d5f5,
which was part of Notmuch 0.31.4.
d
prev parent reply other threads:[~2021-07-30 13:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-14 15:59 T568-lib-thread is non-deterministic Alyssa Ross
2021-01-14 16:05 ` Alyssa Ross
2021-07-30 13:17 ` David Bremner [this message]
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