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mail_index_fsck
2010 Oct 10
1
Dovecot 2.0 lock upgrade assertion failure
Hi!
I've now seen this assertion failure from lmtp (most frequent), pop3
(next frequent), and imap (rarely). It didn't start happening until the
number of accounts on the server was increased into the 10k-25k range.
It happens when index->file_lock is a read lock and mail_index_lock is
called asking for a write lock. Dovecot 2.x dies at the assertion on
line 62 of mail-index-lock.c If that assertion were removed, it would
likely die at the assertion on line 80.
Looking at the mail-index-lock.c from dovecot 1.2.15, it looks like the
1.2 series would enter the else case of th...