[Dovecot] v2.2 dsync

[Timo Sirainen]

On Tue, 2013-02-26 at 16:40 +0100, Walter Steiner wrote:
> I've run into a problem with `doveadm backup` (2.2 rc2 and 20130226)
> I did not notice in 2.1.15
..
>   doveadm backup [-Dv] -R -u cyrtest1 at iai.uni-bonn.de -m INBOX imapc:
> 
> dsync(cyrtest1 at iai.uni-bonn.de): Panic: file mailbox-list.c: line 1226: unreached

Fixed: http://hg.dovecot.org/dovecot-2.2/rev/2020ed15efb9

> 2) and without the acl plugin 
..
> Core was generated by `/m/sw/dc/a/bin/doveadm -Dv backup -R -u cyrtest1 at iai.uni-bonn.de -m INBOX imapc'.
> Program terminated with signal 11, Segmentation fault.
> [New process 94912    ]
> #0  0x00000000004578cc in dsync_ibc_send_mail_request (ibc=0x4a9f20, request=0x5441c0) at dsync-ibc.c:38
> 38              return ibc->v.is_send_queue_full(ibc) ?
> (gdb) bt full
> #0  0x00000000004578cc in dsync_ibc_send_mail_request (ibc=0x4a9f20, request=0x5441c0) at dsync-ibc.c:38
>         __FUNCTION__ = "dsync_ibc_send_mail_request"
> #1  0x000000000044a6b1 in dsync_brain_send_mail_request (brain=0x4aa5e0) at dsync-brain-mails.c:25
>         request = (const struct dsync_mail_request *) 0x5441c0
>         __FUNCTION__ = "dsync_brain_send_mail_request"

Now this is a strange one. Can you reproduce it? In gdb show also the
result of:

p *ibc