[Dovecot] dovecot 0.99.10-test10

Andrew Basterfield bob at cemetery.homeunix.org
Sat May 31 05:30:24 EEST 2003

On Fri, May 30, 2003 at 11:39:50PM +0100, Andrew Basterfield wrote:
> On 30 May 2003 13:24:51 +0300,
> Timo Sirainen <tss at iki.fi> wrote:
> > On Fri, 2003-05-30 at 05:27, Andrew Basterfield wrote:
> > > Now I am getting index corruption again
> > > 
> > > May 30 03:11:53 snigger imap(bob): Corrupted binary tree file
> > > /home/bob/Mail/.INBOX/.imap.index.tree: UID to be inserted isn't
> > > higher than existing (1 <= 1)
> > 
> > Weird. Is this easily reproduceable? I tried for a while with my
> > OpenBSD 3.3/x86, worked fine. Also I can't really even think of when
> > the above error could happen unless something was totally messed up.
> It happens when moving lots of messages between folders. Now I have my
> mail where I want it I will set up a test account that isn't critical to
> test with.
> They copy OK but sylpheed can't delete them afterwards (sylpheed is on
> lintel)
> I have been using hard-linked move, but the problem still occurs without
> it.
> test7 DOES exhibit problems but test6 is rock solid and what I am
> using now.

I think it is related to locking, I have been moving mail around with one
client and doing normal operations with another.

I tried to move 2700 messages from a folder on one account to another, I
think the problems started when I opened the same folder with another

This occurs once in the maillog

May 31 02:20:39 snigger imap(list): Timeout while waiting for release of exclusive fcntl() lock for index file /home/list/Mail/.INBOX/.imap.index
May 31 02:26:07 snigger imap-login: Login: bob [] May 31 02:38:13 snigger imap(bob): Corrupted index file /home/bob/Mail/.Test/.imap.index: Wrong messages_count in header (1247 != 1248)

What happens when the lock times out? Does it carry on regardless or die?

sylpheed says:

** WARNING **: Socket IO timeout
** WARNING **: [03:07:13] Read from socket fd14 failed: Broken pipe
** WARNING **: [03:07:13] error while imap command: STORE 1562:1562 +FLAGS (\Deleted)
** WARNING **: [03:07:13] can't set deleted flags: 1562

and so on many many times

Now I am playing with a test account I can move mail around without
interference to see what happens.

If at first you don't succeed, destroy all evidence that you tried.
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