On Fri, 2009-10-16 at 10:46 -0700, Simon Gao wrote: > On Tue, 2009-10-13 at 11:37 -0700, Simon Gao wrote: > > We have a few users experiencing locking problem. When starting > > Thunderbird, there is no new emails in Inbox. Dovecot createa a lock file > > /var/spool/mail/<user>.lock. It never completes openning Inbox. If closing > > the mail client, the open imap session does not get closed, nor the lock > > file get deleted. > > >What is the process doing? Check with "strace -p <imap process pid>"? > >How large is the user's mailbox? > > The size of inbox varies. Some is large, some are only a few hundred KB. If > the mailbox is large, it may take time to re-generate index and put lock on > inbox file until it's done. However, it should not for smaller mailbox file.
Are you using pop3? Do you have pop3_lock_session=yes? Other than that I can't think of anything that could keep the lock file for a long time. So strace would be helpful.
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