error.samba

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hola, desde de el dia de ayer no levanat bien el samba,..funcionando antiormente de amnera correcta mi servidor samba q esta como pdc..el dia de hoy no puedo entrar a los compartidos de los equipos de red ni a accesar a la lista completa de equipos..arrojando el sig. error Scheduled cleanup of brl and lock database after unclean shutdown

no se si alguien de ustedes sepa a que se debe esto..

saludos y gracias

en el syslog esto Sep 4

en el syslog esto
Sep 4 12:25:14 slp-s smbd[27767]: [2012/09/04 12:25:14.628455, 0] smbd/process.c:79(srv_send_smb)
Sep 4 12:25:14 slp-s smbd[27767]: Error writing 5 bytes to client. -1. (Transport endpoint is not connected)
Sep 4 12:25:19 slp-s dhcpd: DHCPINFORM from 10.24.3.223 via eth0
Sep 4 12:25:19 slp-s dhcpd: DHCPACK to 10.24.3.223 (d4:85:64:c0:45:48) via eth0
Sep 4 12:25:19 slp-s dhcpd: DHCPINFORM from 10.24.1.196 via eth0
Sep 4 12:25:19 slp-s dhcpd: DHCPACK to 10.24.1.196 (00:0b:cd:0b:63:22) via eth0
Sep 4 12:25:20 slp-s dhcpd: DHCPINFORM from 10.24.3.139 via eth0
Sep 4 12:25:20 slp-s dhcpd: DHCPACK to 10.24.3.139 (3c:d9:2b:49:84:4f) via eth0
Sep 4 12:25:22 slp-s /USR/SBIN/CRON[27721]: (CRON) error (grandchild #27722 failed with exit status 2

en /var/log/samba/smbd.conf
[2012/09/04 12:26:23.732773, 3] smbd/server.c:259(remove_child_pid)
smbd/server.c:259 Unclean shutdown of pid 28001
[2012/09/04 12:26:24.119123, 3] smbd/server.c:259(remove_child_pid)
smbd/server.c:259 Unclean shutdown of pid 28003
[2012/09/04 12:26:24.873927, 3] smbd/server.c:259(remove_child_pid)
smbd/server.c:259 Unclean shutdown of pid 28005
[2012/09/04 12:26:26.480617, 3] smbd/server.c:259(remove_child_pid)
smbd/server.c:259 Unclean shutdown of pid 28010
[2012/09/04 12:26:26.591049, 3] smbd/server.c:259(remove_child_pid)
smbd/server.c:259 Unclean shutdown of pid 28012
[2012/09/04 12:26:27.896263, 1] smbd/server.c:240(cleanup_timeout_fn)
Cleaning up brl and lock database after unclean shutdown

/var/log/samba/nmbd.conf
[2012/09/04 12:27:31.279075, 3] nmbd/nmbd_incomingrequests.c:453(process_name_query_request)
process_name_query_request: Name query from 10.24.1.55 on subnet 10.24.1.1 for name WPAD<00>
[2012/09/04 12:27:31.279168, 3] nmbd/nmbd_incomingrequests.c:453(process_name_query_request)
process_name_query_request: Name query from 10.24.1.55 on subnet 10.24.1.1 for name WPAD<00>
[2012/09/04 12:27:31.322770, 3] nmbd/nmbd_incomingrequests.c:453(process_name_query_request)
process_name_query_request: Name query from 10.24.2.165 on subnet 10.24.1.1 for name DRAPAOLA-PC<1c>
[2012/09/04 12:27:31.322855, 3] nmbd/nmbd_incomingrequests.c:453(process_name_query_request)
process_name_query_request: Name query from 10.24.2.165 on subnet 10.24.1.1 for name DRAPAOLA-PC<1c>
[2012/09/04 12:27:31.575861, 3] nmbd/nmbd_incomingrequests.c:453(process_name_query_request)
process_name_query_request: Name query from 10.24.2.182 on subnet 10.24.1.1 for name WPAD<00>
[2012/09/04 12:27:31.582233, 3] nmbd/nmbd_incomingrequests.c:453(process_name_query_request)
process_name_query_request: Name query from 10.24.2.182 on subnet 10.24.1.1 for name WPAD<00

saludos y gracias