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Description of problem:
The nmbd daemon segfaults when it is set up as a wins proxy.. 

Version 3.0.9 of samba update rpm for FC3..

I just upgraded our servers from RH9 to FC3 and found out that
the other server that is running as a wins proxy will not answer
to the nmblookup after about 20 second.. 

The problem seems to be that the nmbd gets signal 11.. 

The same setup works nicely if I just remove the 
wins proxy = on line from the setup..

Before upgrade I had 3.0.9 rpm for RH9 on this machine with 
exactly same setup and it has been running for months without
problems..

here is the dump from nmbd

INTERNAL ERROR: Signal 11 in pid 17484 (3.0.9-1.fc3)
Please read the appendix Bugs of the Samba HOWTO collection
===============================================================
PANIC: internal error
BACKTRACE: 16 stack frames:
 #0 nmbd(smb_panic2+0x8a) [0x1eef3a]
 #1 nmbd(smb_panic+0x19) [0x1ef167]
 #2 nmbd [0x1da789]
 #3 /lib/tls/libc.so.6 [0x49aa48]
 #4 /lib/tls/libc.so.6 [0x4d475d]
 #5 /lib/tls/libc.so.6(malloc+0x81) [0x4d61e1]
 #6 nmbd(Realloc+0x95) [0x1edc1f]
 #7 nmbd(convert_string_allocate+0x3d4) [0x1d8023]
 #8 nmbd(push_ucs2_allocate+0x52) [0x1d8292]
 #9 nmbd(push_ascii_nstring+0x30) [0x1d87e9]
 #10 nmbd [0x196676]
 #11 nmbd(find_workgroup_on_subnet+0x31) [0x196780]
 #12 nmbd(sync_all_dmbs+0x45) [0x180039]
 #13 nmbd(main+0x642) [0x17bf4f]
 #14 /lib/tls/libc.so.6(__libc_start_main+0xe3) [0x487e33]
 #15 nmbd [0x17a5b1]


Version-Release number of selected component (if applicable):
samba-3.0.9-1.fc3

How reproducible:
Always

Steps to Reproduce:
1. setup one samba server as wins server
2. set another server as a wins proxy and point the wins server
address to the server you have set samba wins server
3. start samba on both servers
    

Actual Results:  nmbd gets signall 11 and dies..


Additional info: