On Fri, 2008-05-09 at 10:18 -0700, Jason Fesler wrote: > >> May 8 20:53:11 goat dovecot: Fatal: imap-login: Can't load certificate > >> file /www/certs/mail.gigo.com.cert: error:02001018:system > >> library:fopen:Too many open files > > > > But this (or some other error) didn't happen immediately? > > Correct. It happened after some number of connection. Using "lsof", I > could not see any that limits were being realistically hit, either.
That error happens at startup, and there should be a fixed number of fds open at that time. Only reason I can think of is if master process leaks some fds to login process. You could verify this by building Dovecot with configure --enable-debug. Then it checks fd leaks at startup, and logs an error and dies if there are any. > Unfortunately I have just one ipv6 freebsd 7 machine to work with :-( and > mail is supposed to be a production service. I'll have another > opportunity to do more on June 14, when downtime is scheduled for > another location. At that time I'll get that location's OS updated, onto > ipv6, and since it is just two (flexible) people, I'll have more room to > play. It would be possible to also install a test installation elsewhere (configure --prefix=/tmp/dovecot-test) and run it on different ports.
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