Here's a new one. It just started with the latest (April 8) CVS version.
In index-mail-headers.c, line 622: fields = t_new(struct mail_cache_field, count); count is 0
I'm seeing this with several mailboxes. We're using mbox.
Here's the error message and backtrace.
dovecot: Apr 09 10:53:18 Error: 3348 IMAP(chairman): Trying to allocate 0 bytes dovecot: Apr 09 10:53:18 Error: child 3348 (imap) killed with signal 6
Core was generated by `imap'. Program terminated with signal 6, Aborted.
(gdb) bt #1 0xbffff5c8 in ?? () #2 0x00000006 in ?? () #3 0x00000d14 in ?? () #4 0xb7ef1d41 in raise () from /lib/tls/libc.so.6 #5 0xb7ef3529 in abort () from /lib/tls/libc.so.6 #6 0x080985ba in i_internal_panic_handler ( fmt=0x6 <Address 0x6 out of bounds>, args=0xd14 <Address 0xd14 out of bounds>) at failures.c:374 #7 0x080989d4 in i_panic (format=0x80add1b "Trying to allocate %u bytes") at failures.c:173 #8 0x08097e37 in t_malloc_real (size=Variable "size" is not available. ) at data-stack.c:214 #9 0x08097f54 in t_malloc0 (size=0) at data-stack.c:282 #10 0x08074d34 in index_header_lookup_init (box=0x80c2990, headers=0xbffff840) at index-mail-headers.c:622 #11 0x0808c6f1 in mailbox_header_lookup_init (box=0x0, headers=0xbffff840) at mail-storage.c:376 #12 0x0805e095 in imap_sort (cmd=0x80bb9a8, charset=0x80bbd38 "US-ASCII", args=0x80d72a0, sort_program=0x80b2098) at imap-sort.c:228 #13 0x08058363 in cmd_sort (cmd=0x80bb9a8) at cmd-sort.c:123 #14 0x080595e5 in _client_input (context=0x80bb968) at client.c:334 #15 0x0809d74a in io_loop_handler_run (ioloop=0x80ba5b0) at ioloop-poll.c:184 #16 0x0809ce69 in io_loop_run (ioloop=0x80ba5b0) at ioloop.c:218 #17 0x080604a7 in main (argc=1, argv=0xbffffa74, envp=0xbffffa7c) at main.c:228
(gdb) bt full #0 0xffffe410 in ?? () No symbol table info available. #1 0xbffff5c8 in ?? () No symbol table info available. #2 0x00000006 in ?? () No symbol table info available. #3 0x00000d14 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 0x080985ba in i_internal_panic_handler ( fmt=0x6 <Address 0x6 out of bounds>, args=0xd14 <Address 0xd14 out of bounds>) at failures.c:374 No locals. #7 0x080989d4 in i_panic (format=0x80add1b "Trying to allocate %u bytes") at failures.c:173 No locals. #8 0x08097e37 in t_malloc_real (size=Variable "size" is not available. ) at data-stack.c:214 block = Variable "block" is not available.