segfault after upgrade

[Andreas Winkelmann]

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