Today (22/09/2006), I received a mail from my server. This mail is sended if a panic action has been produced. A machine named w2kjpd has caused a internal error on smbd. Here the log file : [2006/09/21 09:51:41, 5] lib/util.c:dump_data(2215) [000] 27 4B 0D D7 86 89 B3 D1 'K...... [2006/09/21 16:47:59, 1] smbd/service.c:close_cnum(1141) w2kjpd (10.217.5.90) closed connection to service netlogon [2006/09/21 16:47:59, 1] smbd/service.c:close_cnum(1141) w2kjpd (10.217.5.90) closed connection to service Administrateur Can't call method "get_value" on an undefined value at /usr/local/sbin//smbldap_tools.pm line 751, <DATA> line 283. [2006/09/22 13:18:37, 0] passdb/pdb_interface.c:smb_delete_user(437) smb_delete_user: Running the command `/usr/local/sbin/smbldap-userdel -r "rhuoger$"' gave 255 [2006/09/22 13:18:57, 0] lib/fault.c:fault_report(41) =============================================================== [2006/09/22 13:18:57, 0] lib/fault.c:fault_report(42) INTERNAL ERROR: Signal 6 in pid 26377 (3.0.23c) Please read the Trouble-Shooting section of the Samba3-HOWTO [2006/09/22 13:18:57, 0] lib/fault.c:fault_report(44) From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf [2006/09/22 13:18:57, 0] lib/fault.c:fault_report(45) =============================================================== [2006/09/22 13:18:57, 0] lib/util.c:smb_panic(1592) PANIC (pid 26377): internal error [2006/09/22 13:18:57, 0] lib/util.c:log_stack_trace(1699) BACKTRACE: 20 stack frames: #0 /opt/samba/sbin/smbd(log_stack_trace+0x26) [0x801df071] #1 /opt/samba/sbin/smbd(smb_panic+0x76) [0x801deefc] #2 /opt/samba/sbin/smbd [0x801cbd2c] #3 /opt/samba/sbin/smbd [0x801cbd3a] #4 [0xffffe420] #5 /lib/tls/libc.so.6(abort+0xe9) [0xb7b3f199] #6 /opt/samba/sbin/smbd [0x801e49da] #7 /opt/samba/sbin/smbd(talloc_free+0x2f) [0x801e50f3] #8 /opt/samba/sbin/smbd(Get_Pwnam+0x3a) [0x801d1a80] #9 /opt/samba/sbin/smbd(add_session_user+0x20) [0x800593d8] #10 /opt/samba/sbin/smbd [0x800aba90] #11 /opt/samba/sbin/smbd(make_connection+0x6ec) [0x800ad2ea] #12 /opt/samba/sbin/smbd(reply_tcon_and_X+0x26f) [0x80071852] #13 /opt/samba/sbin/smbd [0x800a9050] #14 /opt/samba/sbin/smbd [0x800a90e0] #15 /opt/samba/sbin/smbd [0x800a9455] #16 /opt/samba/sbin/smbd(smbd_process+0x158) [0x800aa29c] #17 /opt/samba/sbin/smbd(main+0x8ff) [0x8027198d] #18 /lib/tls/libc.so.6(__libc_start_main+0xd3) [0xb7b2ae23] #19 /opt/samba/sbin/smbd [0x80042615] [2006/09/22 13:18:57, 0] lib/util.c:smb_panic(1600) smb_panic(): calling panic action [/rsrv/bin/panic.sh w2kjpd] tail: Ne peut ouvrir `/var/log/samba/w2kjpd..log' en lecture: Aucun fichier ou répertoire de ce type [2006/09/22 13:18:57, 0] lib/util.c:smb_panic(1608) smb_panic(): action returned status 0 [2006/09/22 13:18:57, 0] lib/fault.c:dump_core(173) dumping core in /opt/samba/var/cores/smbd [2006/09/22 13:36:35, 1] smbd/service.c:make_connection_snum(941) w2kjpd (10.217.5.90) connect to service Administrateur initially as user Administrateur (uid=1002, gid=200) (pid 26624) ----------------------------------------------- Yesterday, I received a panic action from the same machines. But after the panic, certain machine account has been modified and all sambaSamAccount attribue will be deleted. Could you verify if is samba can delete on-fly machine account ! And see why this machine cause internal error.