[Dovecot] 2.1.5: Panic: file mailbox-list-fs.c: line 156 (fs_list_get_path): assertion failed: (mailbox_list_is_valid_pattern(_list, name))

[Timo Sirainen]

On Fri, 2012-04-27 at 16:34 +1000, Nick Urbanik wrote:

> I upgraded to 2.1.5, and we have the same assertion failure, on the
> same mailbox:
> 
> Apr 27 16:02:03 imap(nu-imaptest00258 at example.com): Panic: file mailbox-list-fs.c: line 156 (fs_list_get_path): assertion failed: (mailbox_list_is_valid_pattern(_list, name))
..
> Any suggestions welcome.
> 
> I guess enabling core dumps is a good start, I'll do that, but has
> anyone seen this before?

1) doveconf -n output

2) Can you show the list of all mailbox names? Or especially the one
that is causing this crash? (The raw backtrace indicates it happens
during quota recalculation, which gets a list of all mailboxes, so it
might not really be the same mailbox as what appears to be broken.)