[Dovecot] New imap assertion failure

[Todd Burroughs]

This is from the CVS version as of Aug. 28.  It's the first time I've
seen this assertion failure.  Prior to this, I was using the CVS version
from Aug. 15.



dovecot: Aug 30 16:07:52 Error:  24929 IMAP(support): UIDVALIDITY changed (1125327213 -> 1125430510) in mbox file /mailhome/new/s/b/support/mbox
dovecot: Aug 30 16:08:13 Error:  24929 IMAP(support): UIDVALIDITY changed (1123616948 -> 1125414730) in mbox file /mailhome/new/s/b/support/Drafts
dovecot: Aug 30 16:08:16 Error:  24929 IMAP(support): UIDVALIDITY changed (1123616948 -> 1125414730) in mbox file /mailhome/new/s/b/support/Drafts
dovecot: Aug 30 16:08:36 Error:  24929 IMAP(support): UIDVALIDITY changed (1122993637 -> 1125403981) in mbox file /mailhome/new/s/b/support/Tier-2
dovecot: Aug 30 16:08:39 Error:  24929 IMAP(support): file mail-index-view.c: line 596 (mail_index_view_open): assertion failed: (index->map != NULL)
dovecot: Aug 30 16:08:40 Error: child 24929 (imap) killed with signal 6

(gdb) bt full
#0  0xffffe410 in ?? ()
No symbol table info available.
#1  0xbffff548 in ?? ()
No symbol table info available.
#2  0x00000006 in ?? ()
No symbol table info available.
#3  0x00006161 in ?? ()
No symbol table info available.
#4  0xb7ef1d41 in raise () from /lib/tls/libc.so.6
No symbol table info available.
#5  0xb7ef3529 in abort () from /lib/tls/libc.so.6
No symbol table info available.
#6  0x0809af4a in i_internal_panic_handler (
     fmt=0x6 <Address 0x6 out of bounds>,
     args=0x6161 <Address 0x6161 out of bounds>) at failures.c:374
No locals.
#7  0x0809b364 in i_panic (
     format=0x80a7fac "file %s: line %d (%s): assertion failed: (%s)")
     at failures.c:173
No locals.
#8  0x080874d6 in mail_index_view_open (index=Variable "index" is not available.
) at mail-index-view.c:615
         view = Variable "view" is not available.


(gdb) frame
#9  0x08079ccd in index_storage_mailbox_init (ibox=0x80c78c0, index=0x80c8000,
     name=0x80bfe80 "Tier-2", flags=Variable "flags" is not available.
) at index-storage.c:367
367             ibox->view = mail_index_view_open(index);
(gdb) p *index
$3 = {
   dir = 0x80c80a0 "/mailhome/new/s/b/support/.imap/Tier-2", prefix = 0x80c80e8 "dovecot.index", cache = 0x80c68b0, log = 0x80c6788,
   mode = 384, gid = 4294967295, extension_pool = 0x80c8258, extensions = {
     buffer = 0x80c8288, element_size = 28}, expunge_handlers = {
     buffer = 0x80c81c8, element_size = 4}, sync_handlers = {
     buffer = 0x80c8dc8, element_size = 8}, sync_lost_handlers = {
     buffer = 0x80c8de8, element_size = 4},
   filepath = 0x80c8c70 "/mailhome/new/s/b/support/.imap/Tier-2/dovecot.index", fd = 6, map = 0x0, hdr = 0x0, indexid = 0, lock_type = 2,
   shared_lock_count = 0, excl_lock_count = 0, lock_id = 14,
   copy_lock_path = 0x0, dotlock = 0x0, lock_method = MAIL_INDEX_LOCK_FCNTL,
   sync_log_file_seq = 1, sync_log_file_offset = 24, keywords_pool = 0x80c8460,
   keywords = {buffer = 0x80c8140, element_size = 4},
   keywords_hash = 0x80c8658, keywords_ext_id = 0, last_grow_count = 0,
   error = 0x0, nodiskspace = 0, index_lock_timeout = 0, opened = 1,
   log_locked = 0, mmap_disable = 1, mmap_no_write = 0, readonly = 0, fsck = 0,
   sync_update = 0, mapping = 0}