[Dovecot] imap cores

[Anil]

Experts,

(Now that I am able to run imap...)

Here's what I am seeing with imap, it seems to die in the latest
nightly. (tss, I am still trying to get dbx to work properly, maybe it
won't, but I got some more details here.)

...
2 select "INBOX"
* FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
* OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft \*)]
Flags permitted.
* 1 EXISTS
* 0 RECENT
* OK [UNSEEN 1] First unseen.
* OK [UIDVALIDITY 1199514743] UIDs valid
* OK [UIDNEXT 2] Predicted next UID
2 OK [READ-WRITE] Select completed.
3 UID fetch 1 ( BODY.PEEK[HEADER.FIELDS (From)])
Connection to mail closed by foreign host.

openat(-3041965, "/var/mail/apps/domain/admin/Maildir/cur",
O_RDONLY|O_NDELAY|O_LARGEFILE) = 9
fcntl(9, F_SETFD, 0x00000001)                   = 0
fstat64(9, 0x080474C0)                          = 0
stat64("/var/mail/apps/domain/admin/Maildir/cur", 0x080475C0) = 0
time()                                          = 1199564680
getdents64(9, 0xFEFA4000, 8192)                 = 112
getdents64(9, 0xFEFA4000, 8192)                 = 0
close(9)                                        = 0
fcntl(6, F_SETLK64, 0x08047680)                 = 0
lstat64("/var/mail/apps/domain/admin/Maildir/dovecot-uidlist.lock",
0x080476C0) = 0
unlink("/var/mail/apps/domain/admin/Maildir/dovecot-uidlist.lock") = 0
open64("/var/mail/apps/domain/admin/Maildir/cur/1199514786.M867961P7368.vds5,W=1325:2,",
O_RDONLY) = 9
fstat64(9, 0x080477A0)                          = 0
pread64(9, " R e t u r n - P a t h :".., 4096, 0) = 1298
pread64(9, " R e t u r n - P a t h :".., 4096, 0) = 1298
close(9)                                        = 0
write(2, "01 P f i l e   i n d e x".., 82)      = 82
getcontext(0x08047510)
open("/proc/self/as", O_RDONLY)                 = 9
close(9)                                        = 0
write(2, "01 E R a w   b a c k t r".., 18)      = 18
sigaction(SIGABRT, 0x00000000, 0x08047710)      = 0
sigaction(SIGABRT, 0x08047650, 0x080476D0)      = 0
schedctl()                                      = 0xFED32000
lwp_sigmask(SIG_SETMASK, 0x00000000, 0x00000000) = 0xFFBFFEFF [0x0000FFFF]
lwp_kill(1, SIGABRT)                            = 0
    Received signal #6, SIGABRT [default]
      siginfo: SIGABRT pid=3257 uid=500 code=-1


This is all I can seem to get with dbx:
program terminated by signal ABRT (Abort)
0xfee55687: __lwp_kill+0x0007:  jae      __lwp_kill+0x15        [
0xfee55695, .+0xe ]
(dbx) where
=>[1] __lwp_kill(0x1, 0x6), at 0xfee55687
  [2] _thr_kill(0x1, 0x6), at 0xfee52dee
  [3] raise(0x6), at 0xfee011bb
  [4] abort(0x817e3d8, 0x817e3d8, 0xfee7f5b8, 0x816e898, 0xffffffff,
0x81759e0), at 0xfede15d9
(dbx)


# pstack core.imap.3479
core 'core.imap.3479' of 3479:  imap
 fee55687 _lwp_kill (1, 6) + 7
 fee011bb raise    (6) + 1f
 fede15d9 abort    (817e3d8, 817e3d8, fee7f5b8, 816e898, ffffffff, 81759e0) + cd
 08118884 i_internal_fatal_handler () + 54


What do you think?