Thanks Jamie,
I think here is something....
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[2003/09/08 11:57:37, 2] smbd/open.c

pen_file(213)
SERJ opened file terom/aprov/51092352.TMP read=Yes write=Yes (numopen=3)
[2003/09/08 11:57:37, 3] smbd/oplock_linux.c:linux_set_kernel_oplock(184)
set_file_oplock: got kernel oplock on file terom/aprov/51092352.TMP, dev = 302, inode = 436557
[2003/09/08 11:57:37, 3] smbd/process.c

rocess_smb(837)
Transaction 63 of length 4148
[2003/09/08 11:57:37, 3] smbd/process.c:switch_message(650)
switch message SMBwrite (pid 2183)
[2003/09/08 11:57:37, 3] smbd/reply.c:reply_write(2684)
write fnum=7690 num=4096 wrote=4096
[2003/09/08 11:57:37, 3] smbd/process.c

rocess_smb(837)
Transaction 64 of length 4148
[2003/09/08 11:57:37, 3] smbd/process.c:switch_message(650)
switch message SMBwrite (pid 2183)
[2003/09/08 11:57:37, 3] smbd/reply.c:reply_write(2684)
write fnum=7690 num=4096 wrote=4096
[2003/09/08 11:57:42, 3] smbd/process.c

rocess_smb(837)
Transaction 65 of length 24116
[2003/09/08 11:57:42, 3] smbd/process.c:switch_message(650)
switch message SMBwrite (pid 2183)
[2003/09/08 11:57:42, 3] smbd/reply.c:reply_write(2684)
write fnum=7690 num=24064 wrote=24064
[2003/09/08 11:58:26, 0] lib/util_sock.c:read_socket_data(478)
read_socket_data: recv failure for 10920. Error = Connection reset by peer
[2003/09/08 11:58:26, 3] smbd/process.c:timeout_processing(1068)
receive_smb error (Connection reset by peer) exiting
[2003/09/08 11:58:26, 3] smbd/sec_ctx.c:set_sec_ctx(316)
setting sec ctx (0, 0) - sec_ctx_stack_ndx = 0
[2003/09/08 11:58:26, 2] smbd/server.c:exit_server(448)
Closing connections