Hi Jens, Thanks for the patch. This has also been reported as T227 by Ian Batten: https://git.cyrus.foundation/T227
I'll get this fixed in git soon. ellie On Thu, Feb 18, 2016, at 11:13 PM, Jens Erat via Cyrus-devel wrote: > Dear Cyrus developers, > > `man imapd` explains `-T 0` should disable the reuse timeout: > > > −T timeout > > > > The number of seconds that the process will wait for a new connection > > before shutting down. Note that a value of 0 (zero) will disable the > > timeout. The default is 60. > > But doing so results in crashes immediately after the first connection > with an arithmetic exception. Digging deeper, the issue is rather > obvious: > > reuse_timeout = reuse_timeout + (rand() % reuse_timeout); > > This should not be executed for `reuse_timeout == 0`. I attached a small > patch resolving the issue. `reuse_timeout = 0` results in disabled > alarms, probably this border case was overlooked when the random timeout > skew was added. > > The patch is developed against Cyrus IMAP 2.5.7. > > Regards from Lake Constance, Germany, > Jens Erat > > -- > Jens Erat > Universität Konstanz > Kommunikations-, Infomations-, Medienzentrum (KIM) > Abteilung Basisdienste > D-78457 Konstanz > Mail: jens.e...@uni-konstanz.de > Email had 2 attachments: > + cyrus-imapd-2.5.7-master-timeout.patch > 1k (text/x-patch) > + signature.asc > 1k (application/pgp-signature)