On Thu, 2011-12-08 at 12:20 +0100, Knud Dombrowsky wrote: > Hi, > I recently upgraded to openSuse 12.1 which comes with dovecot 2.0.14.
What was the old Dovecot version? > Dec 7 14:31:14 mailbox dovecot: imap(<sharing-user>): Error: > fstat(/home/<sharing-user>/Maildir/.<shared-folder>/dovecot-acl.lock) > failed: No such file or directory This should never happen. fstat() simply cannot fail with ENOENT. It's a kernel bug (or "feature") if it does. What filesystem do you use? Do you have SELinux/apparmor enabled? BTW. There's "doveadm acl" command that may be helpful to you.