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Bug#31441: marked as done ([REJECTED] Require both fcntl() and dotlock mailbox locking to prevent mail loss)



Your message dated Wed, 21 Jun 2000 18:35:15 +0100
with message-id <20000621183515.A4377@polya>
and subject line Closing NFS-safe policy bugs
has caused the attached Bug report to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what I am
talking about this indicates a serious mail system misconfiguration
somewhere.  Please contact me immediately.)

Darren Benham
(administrator, Debian Bugs database)

--------------------------------------
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Date: Sun, 3 Jan 1999 18:57:02 -0600
Message-Id: <199901040057.SAA00491@erwin.complete.org>
From: John Goerzen <jgoerzen@complete.org>
Subject: mutt: Mail can be lost from inbox!
To: submit@bugs.debian.org
X-Mailer: bug 3.1.7

Package: mutt
Version: 0.95-1
Severity: critical

Here is the sequence of events:

1. I am in my inbox index view.
2. A new mail arrives, placed into the inbox.  Mutt does not yet see this
   mail -- I believe even trying to scroll past the bottom of the
   list doesn't help.
3. I run ls, on the mail server

garfield ~$ ls -l /var/spool/mail/jgoerzen 
-rw-rw----   1 jgoerzen mail       397477 Jan  3 18:52 /var/spool/mail/jgoerzen

I also confirm, by using tail, that a message is there.

4. I press $ to resync mailbox or q to quit, having NOT marked anything
   for deletion.

5. I run ls again:

garfield ~$ ls -l /var/spool/mail/jgoerzen 
-rw-rw----   1 jgoerzen mail       397194 Jan  3 18:51 /var/spool/mail/jgoerzen

6. The message has disappeared from the mailbox forever!

Relevant parts of ~/.muttrc:

set editor=joe

mailboxes /var/spool/mail/jgoerzen

mailboxes =abuse
mailboxes =aclug-announce
mailboxes =aclug-l
mailboxes =archive
mailboxes =catlists
mailboxes =debian-alpha
mailboxes =debian-announce
mailboxes =debian-bugs
mailboxes =debian-changes

etc, etc...

procmail is the delivery agent.  The mail server and spool resides on
garfield.  My workstation is erwin, which uses NFS to get to the mail:

erwin ~$ ls -l /var/spool/mail
lrwxrwxrwx   1 root     root           25 Dec 21 23:27 /var/spool/mail -> /garfield/var/spool/mail/

Similarly:

erwin ~$ ls -l Mail
lrwxrwxrwx   1 jgoerzen jgoerzen        6 Dec 21 23:28 Mail -> g/Mail
erwin ~$ ls -l g
lrwxrwxrwx   1 jgoerzen jgoerzen       24 Dec 21 23:26 g -> /garfield/home/jgoerzen/

for the folders.

-- System Information
Debian Release: 2.1
Kernel Version: Linux erwin 2.1.132 #1 Sat Dec 26 12:31:03 CST 1998 alpha unknown

Versions of the packages mutt depends on:
ii  libc6.1         2.0.7u-5       The GNU C library version 2 (run-time files)
ii  slang1          1.2.2-2        The S-Lang programming library - runtime ver
ii  slang1          1.2.2-2        The S-Lang programming library - runtime ver
ii  sendmail        8.9.1-15       A powerful mail transport agent.
	^^^ (Provides virtual package mail-transport-agent)
---------------------------------------
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>From J.D.Gilbey@qmw.ac.uk Wed Jun 21 13:20:25 2000
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Date: Wed, 21 Jun 2000 18:35:15 +0100
From: Julian Gilbey <J.D.Gilbey@qmw.ac.uk>
To: 31441-done@bugs.debian.org, 43529-done@bugs.debian.org
Subject: Closing NFS-safe policy bugs
Message-ID: <20000621183515.A4377@polya>
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User-Agent: Mutt/1.0.1i
Delivered-To: 31441-done@bugs.debian.org

The dotlock + flock mailbox locking combination is already required
for MTAs, MUAs etc in policy 3.1.1.1.  So I'm closing these bug
reports.  If mutt still suffers from these problems, please reopen the
relevant bug and reassign it to mutt.  (Instructions in
/usr/doc/debian.)

   Julian

-- 
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

  Julian Gilbey, Dept of Maths, QMW, Univ. of London. J.D.Gilbey@qmw.ac.uk
        Debian GNU/Linux Developer,  see http://www.debian.org/~jdg
  Donate free food to the world's hungry: see http://www.thehungersite.com/



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