On 12.09.2016 09:02, Piper Andreas wrote: > Am 01.09.2016 um 14:17 schrieb Aki Tuomi: >> >> On 01.09.2016 14:20, Piper Andreas wrote: >>> Hello Timo, >>> >>> with the newly build CSW-package the crashes still occur, today already >>> twice within two hours. The log shows always the same: >>> >>> Sep 1 11:50:13 surz113 dovecot: [ID 583609 mail.crit] imap(user): >>> Panic: file imap-client.c: line 837 (client_check_command_hangs): >>> assertion failed: (client->io != NULL) >>> Sep 1 11:50:13 surz113 dovecot: [ID 583609 mail.error] imap(user): >>> Error: Raw backtrace: 0xffff80ffb633d88d -> 0xffff80ffb636ae82 -> >>> 0x41eba0 -> 0x41ecf3 -> 0xffff80ffb635d248 -> 0xffff80ffb6350d2f -> >>> 0xffff80ffb63519e0 -> 0xffff80ffb6350dce -> 0xffff80ffb6350f90 -> >>> 0xffff80ffb62e3ebb -> 0x42f169 -> 0x41292c >>> Sep 1 11:50:13 surz113 dovecot: [ID 583609 mail.crit] imap(user): >>> Fatal: master: service(imap): child 11227 killed with signal 6 (core not >>> dumped - set service imap { drop_priv_before_exec=yes }) >>> >>> This happens with different users, the last one with a relatively small >>> mailbox of 600MB. >>> >>> doveconf -n is attached. >>> >>> Dovecot 2.2.25 >>> OS: Solaris 11 (SunOS 5.11 11.3 i86pc i386 i86pc) >>> Virtualization: VMware >>> Filesystem: ZFS >>> active users: ~4000 >>> >>> The system was transferred at beginning of last week from an old >>> SPARC-station with Solaris 10 running dovecot-2.2.15 to this virtualized >>> platform under VMware. The mailboxes (maildir-format) were transferred >>> without change by switching the storage-hardware to the new server. I >>> had to remove all dovecot.index*-files for errors of "CPU Architecture >>> changed", but after doing this all seemed to work ok except for these >>> occasional crashes. >>> >>> If you need more information, please let me know. >>> >>> Thanks for any help, >>> Andreas >>> >>>> Hi Jake, >>>> >>>> thanks for fixing this. I have installed now the newly built package on >>>> my production system and will report, if any more core dumps occur. >>>> >>>> Regards, >>>> Andreas >>>> >> Hi! >> >> Is it possible for you test out a small patch (attached) to see if it >> fixes this issue? >> >> Aki >> > Hello Aki, > > your patch missed a trailing '{', which was corrected by the > OpenCSW-maintainer, who implemented the patch into a test-version of > dovecot-2.2.25 for me. > > I started this version on my production system on Friday morning (09. > Sep, 07:30). After that the server crashed once on Sunday evening > (11.Sep, 20:40), but with a completely different error message: > > Sep 11 20:40:37 surz113 dovecot: [ID 583609 mail.crit] imap(user1): > Panic: file imap-fetch.c: line 555 (imap_fetch_more): assertion failed: > (ctx->client->output_cmd_lock == NULL || ctx->client->output_cmd_lock == > cmd) > Sep 11 20:40:37 surz113 dovecot: [ID 583609 mail.error] imap(user1): > Error: Raw backtrace: 0xffff80ffb5fcd88d -> 0xffff80ffb5ffae82 -> > 0x4225c1 -> 0x4153e5 -> 0x41ffae -> 0x41e4bf -> 0x41e865 -> 0x41ede4 -> > 0xffff80ffb5fe0d2f -> 0xffff80ffb5fe19e0 -> 0xffff80ffb5fe0dce -> > 0xffff80ffb5fe0f90 -> 0xffff80ffb5f73ebb -> 0x42f169 -> 0x41292c > Sep 11 20:40:37 surz113 dovecot: [ID 583609 mail.crit] imap(user1): > Fatal: master: service(imap): child 12150 killed with signal 6 (core not > dumped - set service imap { drop_priv_before_exec=yes }) > > May this be related to your patch, or is it something completely different? > > Thanks and best regards, > Andreas Hi!
Apologies, I forgot to send you an email about this, it should be fixed with https://github.com/dovecot/core/commit/cd9cf45dcf9fcabc89e156117c4dcf464ec4eb85 Aki