David Bremner <david@tethera.net> writes:

> It's hard to be sure without more details, but it sounds like a locking
> problem, which could also be be fixed by upgrading to current xapian and
> notmuch.

I currently have notmuch-0.23.5-1.fc25.x86_64 and
xapian-core-1.2.24-1.fc25.x86_64.

I haven't seen the error yesterday, so maybe it was solved already.

Thanks,
Rafael