IMAP/LMTP/Quota locking problem

[Rob Siemborski]

On Mon, 17 May 2004, Sebastian Hagedorn wrote:

> It started here:
>
> May 14 09:04:59 lvr1 imapd[14301]: login:
> vpn82-4.vpn.Uni-Koeln.DE[134.95.82.4] s0283928 plaintext+TLS
> May 14 09:04:59 lvr1 imapd[14301]: seen_db: user s0283928 opened
> /var/lib/imap/user/B/s0283928.seen
> May 14 09:04:59 lvr1 imapd[14301]: open: user s0283928 opened Drafts
>
> As you can see a VPN dial-up connection was used. I think it likely that
> the notorious APPEND problem happened. i.e. the connection was dropped by
> the client while the server was doing an APPEND. This is bug 1270
> <https://bugzilla.andrew.cmu.edu/show_bug.cgi?id=1270> and is marked FIXED.
> For completeness' sake: after the IMAP session above, hte lmtpd processes
> started getting stuck when delivering to this user:
[snip]
> So, is this really fixed in 2.2.3? Has anybody seen something like this
> since? And would it be OK to apply the patch to 2.1.16? Or does it depend
> on other stuff that happened in CVS between 2.1.16 and the time the patch
> was created?

This should be fixed in 2.2.3 (if it is indeed the APPEND/quota files
issue).  We're not backporting it, since the patch was somewhat extensive.

-Rob

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rob Siemborski * Andrew Systems Group * Cyert Hall 207 * 412-268-7456
Research Systems Programmer * /usr/contributed Gatekeeper

---
Cyrus Home Page: http://asg.web.cmu.edu/cyrus
Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu
List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html