segfault after upgrade

[Alain Spineux]

On Mon, Nov 3, 2008 at 11:10 PM, Steffen Vinther Sørensen
<svinther at gmail.com> wrote:
> On Mon, Nov 3, 2008 at 10:00 PM, Andreas Winkelmann <ml at awinkelmann.de> wrote:
>> Am Montag 03 November 2008 21:45:30 schrieb Steffen Vinther Sørensen:
>>
>>> I recently updated a CentOS 4 installation using the CentOS package
>>> manager "yum". the cyrus imapd and the dbd packages was upgraded along
>>> with several other packages. After that there seems to be an issue
>>> with the Cyrus imapd "shared" mailboxes (the ones where users needs to
>>> subscribe in order to use)
>>>
>>> I already tried rebuilding mailboxes.db, by dumping it as text and
>>> restoring it, but with no luck. Any further advice would be very
>>> welcome:
>>>
>>> Here is all the info I can think of:
>>>
>>> cyradm version request:
>>> mail.somecompany.dk> version
>>> name       : Cyrus IMAPD
>>> version    : v2.2.12-Invoca-RPM-2.2.12-9.RHEL4 2005/02/14 16:43:51
>>> vendor     : Project Cyrus
>>> support-url: http://asg.web.cmu.edu/cyrus
>>> os         : Linux
>>> os-version : 2.6.9-78.0.5.ELsmp
>>> environment: Built w/Cyrus SASL 2.1.19
>>>              Running w/Cyrus SASL 2.1.19
>>>              Built w/Sleepycat Software: Berkeley DB 4.2.52: (July 14,
>>> 2007) Running w/Sleepycat Software: Berkeley DB 4.2.52: (July 14, 2007)
>>> Built w/OpenSSL 0.9.7a Feb 19 2003
>>>              Running w/OpenSSL 0.9.7a Feb 19 2003
>>>              CMU Sieve 2.2
>>>              TCP Wrappers
>>>              mmap = shared
>>>              lock = fcntl
>>>              nonblock = fcntl
>>>              auth = unix
>>>              idle = poll
>>>
>>>
>>> /var/log/messages gets this every time a user tries to connect:
>>> mail kernel: imapd[13804]: segfault at 0000000000000000 rip
>>> 00000030d36705f2 rsp 0000007fbfffcc88 error 4
>>>
>>> /var/log/maillog
>>> Nov  3 21:34:05 mail imap[14118]: accepted connection
>>> Nov  3 21:34:05 mail master[14144]: about to exec
>>> /usr/lib64/cyrus-imapd/imapd Nov  3 21:34:05 mail imap[14144]: executed
>>> Nov  3 21:34:05 mail imap[14118]: login: svs.somecompany.dk
>>> [192.168.1.20] svs plaintext User logged in
>>> Nov  3 21:34:05 mail master[31849]: process 14118 exited, signaled to
>>> death by 11
>>> Nov  3 21:34:05 mail master[31849]: service imap pid 14118 in BUSY
>>> state: terminated abnormally
>>>
>>> strace for imapd process having the segfault, using strace -ff -p
>>> <pid> on the cyrus-master pid:
>>
>> ...
>>
>>> open("/var/spool/imap/user/ecivrese-fejl/cyrus.header", O_RDWR) = 14
>>> fstat(14, {st_mode=S_IFREG|0600, st_size=182, ...}) = 0
>>> mmap(NULL, 182, PROT_READ, MAP_SHARED, 14, 0) = 0x2a97f59000
>>> --- SIGSEGV (Segmentation fault) @ 0 (0) ---
>>
>> Did you run a reconstruct on this Mailbox (ecivrese-fejl)?
>>
>> --
>> Andreas
>> ----
>> Cyrus Home Page: http://cyrusimap.web.cmu.edu/
>> Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki
>> List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
>>
>
> yes, I already tried "reconstruct user.ecivrese-fejl" and then
> restarted cyrus, but with no positive result

You can try to debug the process using GDB.

look at the end of http://www.irbs.net/internet/info-cyrus/0709/0180.html
to know how to do that.


> ----
> Cyrus Home Page: http://cyrusimap.web.cmu.edu/
> Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki
> List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
>



-- 
Alain Spineux
aspineux gmail com
May the sources be with you