Re: cyr_expire suddenly segfaulting

On 03/12/2017 02:24 PM, Nick Howitt wrote:
> Hi,
> I've been running cyrus-imap for a few years not. I am using 2.4.17-8 on
> ClearOS (a Centos derivative). I've been running with "delprune
> cmd="cyr_expire -E 1 -X 7 -D 7" at=0001" in cyrus.conf, but in the last
> week or so it has started segfaulting. I've tried moving the command to
> cron.daily "/usr/lib/cyrus-imapd/cyr_expire -E 1 -X 7 -D 7" but it still
> segfaulting.
>
> In /var/log/maillog I get:
> Mar 12 03:15:53 server cyr_expire[15065]: Repacking mailbox user.mail-ebay
> Mar 12 03:15:53 server master[15064]: setrlimit: Unable to set file
> descriptors limit to -1: Operation not permitted
> Mar 12 03:15:53 server master[15064]: retrying with 4096 (current max)
> Mar 12 03:15:53 server cyr_expire[15065]: Repacking mailbox
> user.mail-ebay.Drafts
> Mar 12 03:15:54 server cyr_expire[15065]: Repacking mailbox user.nick
> Mar 12 03:15:54 server cyr_expire[15065]: Repacking mailbox user.ourfamily
> Mar 12 03:15:54 server cyr_expire[15065]: Repacking mailbox
> user.ourfamily.Drafts
> Mar 12 03:15:54 server cyr_expire[15065]: Expunged 0 out of 9150
> messages from 57 mailboxes
> Mar 12 03:15:54 server cyr_expire[15065]: duplicate_prune: pruning back
> 0.00 days
> Mar 12 03:15:54 server ctl_cyrusdb[15068]: recovering cyrus databases
> Mar 12 03:15:55 server ctl_cyrusdb[15068]: skiplist: checkpointed
> /var/lib/imap/mailboxes.db (57 records, 4816 bytes) in 0 seconds
> Mar 12 03:15:55 server ctl_cyrusdb[15068]: skiplist: checkpointed
> /var/lib/imap/annotations.db (0 records, 144 bytes) in 0 seconds
> Mar 12 03:15:55 server ctl_cyrusdb[15068]: done recovering cyrus databases
> Mar 12 03:15:55 server master[15064]: unable to setsocketopt(IP_TOS):
> Operation not supported
> Mar 12 03:15:55 server ctl_cyrusdb[15073]: checkpointing cyrus databases
> Mar 12 03:15:55 server ctl_cyrusdb[15073]: done checkpointing cyrus
> databases
> Mar 12 03:15:55 server imaps[15075]: error sending to idled: 3
> Mar 12 03:15:55 server imap[15074]: error sending to idled: 3
> Mar 12 03:15:55 server imap[15078]: error sending to idled: 3
> Mar 12 03:15:55 server imap[15076]: error sending to idled: 3
> Mar 12 03:15:55 server imaps[15081]: error sending to idled: 3
> Mar 12 03:15:55 server imap[15080]: error sending to idled: 3
> Mar 12 03:15:55 server imaps[15077]: error sending to idled: 3
> Mar 12 03:15:55 server imaps[15079]: error sending to idled: 3
> Mar 12 03:15:56 server tls_prune[15071]: skiplist: checkpointed
> /var/lib/imap/tls_sessions.db (575 records, 122352 bytes) in 0 seconds
> Mar 12 03:15:56 server cyr_expire[15072]: skiplist: checkpointed
> /var/lib/imap/deliver.db (37 records, 5464 bytes) in 0 seconds
> Mar 12 03:15:56 server cyr_expire[15072]: Expunged 0 out of 9112
> messages from 57 mailboxes
> Mar 12 03:15:56 server cyr_expire[15072]: duplicate_prune: pruning back
> 3.00 days
> Mar 12 03:15:56 server cyr_expire[15072]: duplicate_prune: purged 0 out
> of 37 entries
>
> The "error sending to idled: 3" is probably a red herring as cyrus-imap
> has just restarted following a db backup, so earlier idled connections
> have broken.
>
> Correspondingly in /var/log/messages I get:
> Mar 12 03:15:56 server kernel: cyr_expire[15065]: segfault at
> 7f9c8a79be78 ip 00007f9c8a91c5ed sp 00007ffd44b51d38 error 4 in
> cyr_expire[7f9c8a8c9000+15c000]
>
> It may also be worth mentioning that on some nights, like the night
> before the segfault, in /var/log/maillog I see:
> Mar 11 03:42:09 server cyr_expire[3237]: Expunged 0 out of 9145 messages
> from 61 mailboxes
> Mar 11 03:42:09 server cyr_expire[3237]: duplicate_prune: pruning back
> 1.00 days
> Mar 11 03:42:11 server cyr_expire[3237]: duplicate_prune: purged 58 out
> of 147 entries
> Mar 11 03:45:39 server ctl_cyrusdb[25201]: checkpointing cyrus databases
> Mar 11 03:45:39 server ctl_cyrusdb[25201]: done checkpointing cyrus
> databases
> Mar 11 03:49:57 server master[31633]: exiting on SIGTERM/SIGINT
> Mar 11 03:50:58 server master[27624]: setrlimit: Unable to set file
> descriptors limit to -1: Operation not permitted
> Mar 11 03:50:58 server master[27624]: retrying with 4096 (current max)
> Mar 11 03:50:58 server cyr_expire[27625]: Repacking mailbox user.mail-ebay
> Mar 11 03:50:58 server cyr_expire[27625]: Repacking mailbox user.ourfamily
> Mar 11 03:50:59 server cyr_expire[27625]: Repacking mailbox
> user.ourfamily.Drafts
> Mar 11 03:50:59 server ctl_cyrusdb[27628]: recovering cyrus databases
> Mar 11 03:50:59 server ctl_cyrusdb[27628]: skiplist: checkpointed
> /var/lib/imap/mailboxes.db (61 records, 5148 bytes) in 0 seconds
> Mar 11 03:50:59 server ctl_cyrusdb[27628]: skiplist: checkpointed
> /var/lib/imap/annotations.db (0 records, 144 bytes) in 0 seconds
> Mar 11 03:50:59 server ctl_cyrusdb[27628]: done recovering cyrus databases
> Mar 11 03:50:59 server cyr_expire[27625]: Expunged 0 out of 9145
> messages from 61 mailboxes
> Mar 11 03:50:59 server cyr_expire[27625]: duplicate_prune: pruning back
> 0.00 days
> Mar 11 03:50:59 server master[27624]: unable to setsocketopt(IP_TOS):
> Operation not supported
> Mar 11 03:50:59 server ctl_cyrusdb[27633]: checkpointing cyrus databases
> Mar 11 03:50:59 server ctl_cyrusdb[27633]: done checkpointing cyrus
> databases
> Mar 11 03:51:00 server tls_prune[27631]: skiplist: checkpointed
> /var/lib/imap/tls_sessions.db (303 records, 64348 bytes) in 1 second
> Mar 11 03:51:00 server cyr_expire[27632]: skiplist: checkpointed
> /var/lib/imap/deliver.db (84 records, 12424 bytes) in 0 seconds
> Mar 11 03:51:00 server cyr_expire[27632]: Expunged 0 out of 9109
> messages from 61 mailboxes
> Mar 11 03:51:00 server cyr_expire[27632]: duplicate_prune: pruning back
> 3.00 days
> Mar 11 03:51:00 server tls_prune[27631]: tls_prune: purged 3 out of 303
> entries
> Mar 11 03:51:00 server cyr_expire[27632]: duplicate_prune: purged 0 out
> of 83 entries
> Mar 11 03:51:04 server cyr_expire[27625]: duplicate_prune: purged 89 out
> of 89 entries
> Mar 11 03:51:04 server cyr_expire[27625]: DBERROR db5: BDB1581 File
> handles still open at environment close
> Mar 11 03:51:04 server cyr_expire[27625]: DBERROR db5: BDB1582 Open file
> handle: /var/lib/imap/db/__db.001
> Mar 11 03:51:04 server cyr_expire[27625]: DBERROR db5: BDB1582 Open file
> handle: /var/lib/imap/db/__db.002
> Mar 11 03:51:04 server cyr_expire[27625]: DBERROR db5: BDB1582 Open file
> handle: /var/lib/imap/db/__db.003
> Mar 11 03:51:04 server cyr_expire[27625]: DBERROR db5: BDB0060 PANIC:
> fatal region error detected; run recovery
> Mar 11 03:51:04 server cyr_expire[27625]: DBERROR: critical database
> situation
>
> I'm afraid I've absolutely no idea how to troubleshoot this. Can anyone
> please help?
>
> Thanks,
>
> Nick


Looks like you might have a corrupted BerlkeyDB . What is the output of ?

grep _db /etc/imapd.conf



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