On 11.10.2012, at 20.35, btb wrote: > i'm setting up an imap proxy in front of a novell groupwise server. it seems > to so far be partially working, but dovecot is having trouble in certain > cases. i expect that it's ultimately due to what i believe is a very poor > implementation of imap provided by groupwise [at least based on other > experiences in the past] - but that's a big part of why i'd like to have > dovecot in between it and clients. > > os is ubuntu 12.10 development/beta, dovecot is 2.1.7 courtesy of ubuntu's > packages.
There have been a couple of imapc fixes since v2.1.7. It's possible that the crash is fixed by one of them. > Oct 11 13:24:52 halo dovecot: imap(jdoe): Error: imapc: Mailbox 'Trash' state > corrupted: Expunged message reappeared in session (uid=6282 < next_uid=6283) Could you get imapc rawlogs where this happens? Point imapc_rawlog_dir setting to some directory. > #0 0x0000000000000000 in ?? () > No symbol table info available. > #1 0x00007fc7f6cb611e in imap_parser_reset (parser=0x7fc7f8a0f3a0) at > imap-parser.c:93 > No locals. > #2 0x00007fc7f6f7ada7 in imapc_connection_input_reset > (conn=conn@entry=0x7fc7f8a0d270) at imapc-connection.c:664 > No locals. > #3 0x00007fc7f6f7c6f4 in imapc_connection_input_untagged > (conn=conn@entry=0x7fc7f8a0d270) at imapc-connection.c:908 This backtrace unfortunately doesn't make it very clear what the problem is. I'd guess it's trying to use already freed memory (one such bug was already fixed).
