A few of my users are getting these dovcot errors. Any suggestions?
dovecot: POP3(edwards): Couldn't init INBOX: Timeout while waiting for lock: 2 Time(s)
dovecot: POP3(edwards): Mailbox init failed top=0/0, retr=0/0, del=0/0, size=0: 2 Time(s)
dovecot: POP3(gruttman): Couldn't init INBOX: Timeout while waiting for lock: 9 Time(s)
dovecot: POP3(gruttman): Mailbox init failed top=0/0, retr=0/0, del=0/0, size=0: 9 Time(s)
dovecot: POP3(sheffer): Couldn't init INBOX: Timeout while waiting for lock: 4 Time(s)
dovecot: POP3(sheffer): Mailbox init failed top=0/0, retr=0/0, del=0/0, size=0: 4 Time(s)
dovecot: POP3(edwards): Couldn't init INBOX: Timeout while waiting for lock: 2 Time(s)
dovecot: POP3(edwards): Mailbox init failed top=0/0, retr=0/0, del=0/0, size=0: 2 Time(s)
dovecot: POP3(gruttman): Couldn't init INBOX: Timeout while waiting for lock: 9 Time(s)
dovecot: POP3(gruttman): Mailbox init failed top=0/0, retr=0/0, del=0/0, size=0: 9 Time(s)
dovecot: POP3(sheffer): Couldn't init INBOX: Timeout while waiting for lock: 4 Time(s)
dovecot: POP3(sheffer): Mailbox init failed top=0/0, retr=0/0, del=0/0, size=0: 4 Time(s)