Cyrus 2.2.8: imapd dies + corrupt inbox

[Igor Brezac]

On Fri, 18 Feb 2005, Bernd Nies wrote:

> Hi again,
>
>>> We are running Cyrus 2.2.8 on Solaris 8 using saslauthd and LDAP 
>>> authentication.
>>> 
>>> Since we upgraded to Cyrus 2.2.8 it happens frequently that users inboxes 
>>> get corrupted and clients cannot connect. Is this a known bug and has it 
>>> been fixed with Cyrus 2.2.10?
>>> 
>>> The entry in the logfile is:
>>> 
>>> Jan 13 08:23:59 ducati master[29375]: [ID 970914 local6.error] process 
>>> 16678 exited, signaled to death by 11
>>> Jan 13 08:23:59 ducati master[29375]: [ID 621917 local6.debug] service 
>>> imap pid 16678 in BUSY state: terminated abnormally
>>> 
>>> A pstack on the imapd core file gives:
>>> 
>>> core 'core' of 16678:   imapd
>>>  0003b060 mailbox_expunge (1381b0, 0, 0, 16227, 112d70, 0) + 4c0
>>>  00022800 cmd_expunge (119b38, 0, 119778, 107c00, 1, 11acf0) + 58
>>>  0001b71c cmdloop  (0, 131db8, 0, 0, 1c68c, 0) + d94
>>>  0001a6a4 service_main (0, 1134c8, ffbefa3c, 2, 0, 18dc0) + 320
>>>  00018f14 main     (417ca8bf, f4598, ffbefa3c, 1130a8, 69800, 3c) + 87c
>>>  00018260 _start   (0, 0, 0, 0, 0, 0) + 5c
>> 
>> 
>> Cyrus IMAP 2.2.10 did not fix the problem with crashing imapd processes.
>> I have opened a bugzilla for this
>> 
>>   https://bugzilla.andrew.cmu.edu/show_bug.cgi?id=2617
>> 
>> and hope somone might have a look at this. I can provide core files but
>> I don't want to post them as bugzilla attachment since they may contain
>> sensitive information.
>
> These crashes are caused because cyrus runs out of file descriptors:
>
>
> Feb 18 14:37:51 mailsrv lmtpunix[25178]: [ID 136705 local6.error]
> IOERROR: opening /var/spool/adnmail/cyrus/mail/dev/a2k-dev/cyrus.cache:
> Too many open files
> Feb 18 14:37:51 mailsrv lmtpunix[25178]: [ID 860734 local6.debug]
> verify_user(dev.a2k-dev) failed: System I/O error
> Feb 18 14:38:03 mailsrv imap[546]: [ID 299345 local6.debug] SQUAT failed
> to open index file
> Feb 18 14:38:03 mailsrv imap[546]: [ID 418793 local6.debug] SQUAT failed
> Feb 18 14:38:30 mailsrv master[19603]: [ID 970914 local6.error] process
> 6771 exited, signaled to death by 11
> Feb 18 14:38:30 mailsv master[19603]: [ID 621917 local6.debug] service
> imaps pid 6771 in BUSY state: terminated abnormally
> Feb 18 14:38:43 mailsrv master[19603]: [ID 970914 local6.error] process
> 1326 exited, signaled to death by 11
>
> A couple of days ago I increased the default file descriptor settings in
> /etc/system from default
>
> set rlim_fd_cur=1024
> set rlim_fd_max=4096
>
> to
>
> set rlim_fd_cur=32768
> set rlim_fd_max=65536
>
> But recently Cyrus ran out again of file descriptors.

Have you tried to use lsof to see which files are open?

-- 
Igor
---
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