Duo boot problem

Bertje:/# ls -la var/log
total 648384
drwxr-xr-x    9 root     root        16384 May  5 13:53 .
drwxr-xr-x   17 root     root        16384 May 15  2006 ..
-rw-r--r--    1 root     root      1006213 May  5 16:17 auth.log
-rw-r--r--    1 root     root       890607 May  5 16:09 cron.log
drwxr-xr-x    2 root     root        16384 May  5 13:52 cups
-rw-r--r--    1 root     root     405717096 May  5 16:00 daemon.log
drwxr-xr-x    2 admin    admin       16384 Dec 21  2007 ddns
-rw-r--r--    1 root     root         8994 May  5 13:53 debug
-rw-r--r--    1 root     root            0 Jun 26  2011 dekoh_access.log
-rw-r--r--    1 root     root        10999 Aug 31  2011 dekoh_error.log
-rw-r--r--    1 root     root        47721 Aug 20  2011 dekoh_out.log
-rw-r--r--    1 root     root         8519 May  5 13:52 dmesg
drwxr-s---    2 mail     adm         16384 May  5 13:53 exim
-rw-r--r--    1 root     root          404 Oct 11  2010 fontconfig.log
drwx------    3 admin    admin       16384 May  5 16:13 frontview
-rw-r--r--    1 root     root       537404 May  5 14:12 kern.log
drwxr-xr-x    2 root     root        16384 Jul 15  2002 ksymoops
-rw-r--r--    1 root     root            0 Sep 17  2011 LeafP2P.log
-rw-r--r--    1 root     root       202498 Sep 17  2011 LeafP2P.log.old
-rw-r--r--    1 root     root            0 Sep  6  2010 lpr.log
-rw-r--r--    1 root     root            0 Sep  6  2010 mail.log
-rw-r--r--    1 root     root       537379 May  5 14:12 messages
-rw-r--r--    1 root     root         9418 May  5 14:01 netatalk.log
-rw-r--r--    1 root     root       294912 Apr 11 06:25 netatalk.log.old
drwxr-xr-x    2 root     root        16384 Aug  7  2002 ntpstats
-rw-r-----    1 root     root         6195 May  5 14:00 proftpd.log
-rw-r--r--    1 root     root            0 Apr 14 06:25 proftpd.log.old
-rw-r--r--    1 root     root           42 Aug 25  2012 raidiator_version
drwxrwxrwx    3 root     admin       16384 May  5 15:28 samba
lrwxrwxrwx    1 root     root           34 Feb  8  2012 slimserver.log -> /c/squeezeboxserver/log/server.log
-rw-r--r--    1 root     root     253952064 May  5 16:00 syslog
-rw-r--r--    1 root     root        14817 May  5 14:33 upnp-av.log
-rw-r--r--    1 root     root            0 Apr 15 21:26 upnp-av.log.old
-rw-r--r--    1 root     root        81920 Apr 15 21:26 upnp-av.log.old.old
-rw-r--r--    1 root     root         4579 May  5 14:00 user.log