[Dovecot] quota-related crash for doveadm dsync operation

[Timo Sirainen]

On 29.4.2013, at 10.43, Emmanuel Dreyfus <manu at netbsd.org> wrote:

> I understand the crash below is caused by filesystem quota. I just report
> it because perhaps it could have a more graceful failure.
> 
> 
> Apr 29 09:39:17 danceny dovecot: dsync-local(jdoe): Error: Mailbox Sent: Saving failed: Not enough disk space
> Apr 29 09:39:17 danceny syslogd[165]: last message repeated 4 times
> Apr 29 09:39:17 danceny dovecot: doveadm: Error: dsync-remote(jdoe): Error: Cached message size smaller than expected (35111 < 40830)
> Apr 29 09:39:17 danceny dovecot: doveadm: Error: dsync-remote(jdoe): Error: Corrupted index cache file /mail/indexes/jdoe/.imap/Sent/dovecot.index.cache: Broken physical size for mail UID 976
> Apr 29 09:39:17 danceny dovecot: doveadm: Error: dsync-remote(jdoe): Error: dsync(local): read(/home/pct/jdoe/mail/Sent) failed: Invalid argument
> Apr 29 09:39:17 danceny dovecot: dsync-local(jdoe): Error: dsync(root at volanges.net.espci.fr): read() failed: Broken pipe
> Apr 29 09:39:17 danceny dovecot: dsync-local(jdoe): Panic: file mail-storage.c: line 1830 (mailbox_transaction_commit_get_changes): assertion failed: (ret < 0 || seq_range_count(&changes_r->saved_uids) == save_count || array_count(&changes_r->saved_uids) == 0)
> Apr 29 09:39:17 danceny dovecot: dsync-local(jdoe): Fatal: master: service(doveadm): child 23443 killed with signal 6 (core not dumped - set service doveadm { drop_priv_before_exec=yes })

Fixed the crash: http://hg.dovecot.org/dovecot-2.2/rev/1d6f42853492

Also fixed a few other mbox issues. But I see that there are still others left when running dsync+mbox. I'll try to get them fixed, but mbox isn't very high priority format..