Re: Migration murder from 3.2 to 3.10 (Debian 11 to 13) – frontend to backend auth error

On 25/03/2026 11:49, Frank Richter wrote:
> 2026-03-25T11:22:23.126505+01:00 … cyrus/master[879511]: process
> type:SERVICE name:imap path:/usr/lib/cyrus/bin/imapd age:1101.653s
> pid:993757 signaled to death by signal 6 (Aborted)
> 
> Bah, this is at the end of *every* TLS connection, also on the frontend.
> Searching for this error string leads to https://github.com/openssl/
> openssl/discussions/22690
> "This usually happens when the remote peer abruptly shuts down the
> connection without sending a "close_notify" alert which is what you are
> supposed to do."
> 
> It is a known bug?

At least I see this "unexpected eof" error as well with s_client on port
993 and starttls/143.

But I do not see the SIGABRTs in master.log here on 3.8.6.

Greetings, Wolfgang
-- 
Wolfgang Breyha <[email protected]> | https://www.blafasel.at/
Vienna University Computer Center | Austria


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