Re: Frustrating log

Sam Varshavchik <[email protected]> Thu, 21 Aug 2025 21:10:13 -0400

Newsgroups	gmane.mail.imap.courier.general
Message-ID	<[email protected]>

Zenon Panoussis writes:

>
> imapd-ssl[438764]: ./tmp/1755819095.M416216P1679688.hostname.domain.tld:  
> Input/output error
>
> This looks like filesystem corruption and is obviously happening
> in some user's Maildir/tmp/ , but which user's, where? Is there
> any way to find out?
>
> And is there some way for imapd to know and report the full path
> despite dropped root privileges?

What version is this?

Old versions that used Gamin reported Gamin going belly-up as an EIO error.

Any kind of a filesystem corruption or a hardware error is going to dump a  
whole bunch of stuff to syslog. If this is all you're seeing it's just a  
synthesized error message, reporting system-wide chaos of this sorty, and  
not tied to any particular directory. I see that EIO is also used to report  
closed sockets in the internal DNS resolver, so that's another possibility.

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