[Samba] can't start smbd

[Tim Folger]

I'm running debian sid with the 2.6.18 kernel and and the 3.0.23c-4 version of 
samba. After a routine update a week or so ago I could no longer use samba. I 
haven't made any changes to my smb.conf file. When I try to restart samba 
from a terminal I get this:

# /etc/init.d/samba restart
Stopping Samba daemons: nmbd smbdstart-stop-daemon: warning: failed to kill 
7815: No such process

And /var/log/samba/log.smbd shows this:

[2006/11/10 18:53:17, 0] lib/util.c:log_stack_trace(1699)
  BACKTRACE: 7 stack frames:
   #0 /usr/sbin/smbd(log_stack_trace+0x23) [0x822b883]
   #1 /usr/sbin/smbd(smb_panic+0x46) [0x822b976]
   #2 /usr/sbin/smbd [0x81eaa61]
   #3 /usr/sbin/smbd(initialize_password_db+0xe) [0x81eaaae]
   #4 /usr/sbin/smbd(main+0x591) [0x82c1eb1]
   #5 /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xc8) [0xb7b8aea8]
   #6 /usr/sbin/smbd [0x8082a31]
[2006/11/10 18:53:17, 0] lib/util.c:smb_panic(1600)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 7815]
Failed to read a valid object file image from memory.
[2006/11/10 18:53:18, 0] lib/util.c:smb_panic(1608)
  smb_panic(): action returned status 0
[2006/11/10 18:53:18, 0] lib/fault.c:dump_core(173)
  dumping core in /var/log/samba/cores/smbd

I'd be very grateful for any advice about fixing this.

Tim