On Tue, Apr 06, 2010 at 12:13:02PM +0800, jac...@umac.mo wrote: > I constantly encounter 'dovecot-auth', 'login-imap', 'login-pop3' and > 'imap' processes consume 100% CPU. > I run 'ps' and found those hanged up processes were running for a long > time.
Have you tried attaching strace to them?
strace -p <pid>
will show you what system calls they are making, if any. That can be useful
to determine how they're stuck.
