On 26.10.2013, at 18.23, Timo Sirainen <t...@iki.fi> wrote: > On 20.10.2013, at 19.24, Anand Kumria <wildf...@progsoc.org> wrote: > >> Using dovecot v2.2.5.5, I get the following: >> >> $ doveadm -v backup -R -u u...@example.com maildir:/home/rsync/ >> example.com/user/Maildir/ >> >> [...] >> >> dsync(u...@example.com): Panic: file dsync-mailbox-export.c: line 228 >> (export_save_change_get): assertion failed: (change->type == >> DSYNC_MAIL_CHANGE_TYPE_FLAG_CHANGE) > > That’s definitely a bug, but I’m not sure how to reproduce it. Can you create > such a test maildir where this happens that you could send to me? For example > you could change all the mail contents to just use “x” letters. Here’s a > script that does it: http://dovecot.org/tools/maildir-anonymize.pl > > Most likely this is related to your specific dovecot.index* files, and > deleting them would fix the problem. I’d still like to fix the real bug > though.
I don’t see why it would repeatedly happen, although I did find a bug that could cause that behavior during race conditions: http://hg.dovecot.org/dovecot-2.2/rev/dbe7c5a0021e