Am 12.09.2016 um 08:16 schrieb Aki Tuomi: > > > 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 >
Hello and thanks for this information, the OpenCSW-maintainer has implemented this fix into another test version, which is now running on my production system. I'll report, if there are any more problems. Best regards, Andreas
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