[Dovecot] Unable to (un)subscribe mbox with AIX, NFS and netapp filer
Ralf Becker
beckerr at fh-trier.de
Mon Jul 6 10:47:34 EEST 2009
Hi Timo,
dovecot 1.2.0 is great! Faster and more stable on mboxes that 1.1.x by
far... good job :-)
Today I stumbled over a strange problem when I tried to subscribe an
existing Mailbox (mbox), which doesn't work.
Thunderbird IMAP log
--------------------
9932[4124558]: 40f3498:imap.fh-trier.de:A:SendData:
11 subscribe "Mail/Archiv/1998"
9932[4124558]: ReadNextLine [stream=403f280 nb=108 needmore=0]
9932[4124558]: 40f3498:imap.fh-trier.de:A:CreateNewLineFromSocket:
11 NO [SERVERBUG] Internal error occurred.
Refer to server log for more information.
[2009-07-06 08:14:32]
Server log
----------
Jul 6 08:14:32 trevi mail:info dovecot: IMAP(beckerr):
Namespace Mail/: Using permissions from
/u/f0/rzuser/beckerr/Mail: mode=0700 gid=-1
Jul 6 08:14:32 trevi mail:err|error dovecot: IMAP(beckerr):
fchown(/u/f0/rzuser/beckerr/Mail/.subscriptions.lock, -1, -1)
failed: Invalid argument
Jul 6 08:14:32 trevi mail:err|error dovecot: IMAP(beckerr):
file_dotlock_open() failed with subscription file
/u/f0/rzuser/beckerr/Mail/.subscriptions: Invalid argument
The error just appears on NFS mounted shared and I'm not sure if
AIX or netapp is the cause. So to determine the real problem is
not easy, but to fix it is:
While uid and gid are both -1 the call could be suppressed, because
nothing is really changed:
--- ./lib/file-dotlock.c.org 2009-07-06 09:25:14.000000000 +0200
+++ ./lib/file-dotlock.c 2009-07-06 09:24:48.000000000 +0200
@@ -780,7 +780,7 @@
fd = file_dotlock_open(set, path, flags, &dotlock);
umask(old_mask);
- if (fd != -1) {
+ if (fd != -1 && (uid != -1 || gid != -1)) {
if (fchown(fd, uid, gid) < 0) {
if (errno == EPERM && uid == (uid_t)-1) {
i_error("%s", eperm_error_get_chgrp("fchown",
Ralf
--
______________________________________________________________________
Dipl.-Inform. (FH) Ralf Becker Rechenzentrum (r/ft) der FH Trier
(Network|Mail|Web|Firewall) University of applied sciences
Administrator Schneidershof, D-54293 Trier
Mail: beckerr at fh-trier.de Fon: +49 651 8103 499
Web: http://www.fh-trier.de/~beckerr Fax: +49 651 8103 214
PubKey: http://www.fh-trier.de/~beckerr Crypto: GnuPG, S/MIME
______________________________________________________________________
Wenn Gott gewollt haette, dass E-Mail in HTML geschrieben wuerden,
endeten Gebete traditionell mit </amen>. (Tom Listen)
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