Pen Drive Problem

[Luigi Palmieri]

Last week i bought a pen drive of 1GB, unfortunatelly, it doesn't work on my
Freebsd 6.1.
every time i gave  mount and camcontrol rescan all,camcontrol devlist e
dsmsg comands the system returned these:

tryng to mount root from ufs:/dev/ad0s1a
uhub0: device problem (SET_ADDR_FAILED), disabling port 2.

In GENERIC in the directory usr/src/sys/i386/conf  there are already:

device scbus
device da
device pass
device uhci
device ohci
device usb
device umass

Morover after i gave

tail -f /var/log/messages

and i had:
kernel: time counter "TSC" frequency 501142274 Hz quality 800
kernel: Time counters tick every 1.000 msec
Kernel: ad0:82238 <Seagate ST28410A 3.20> at ata0-master UDMA
Kernel: acd0:CR RW <HL-DT-ST GCE-8520B/1.00> at ata1 - slave UDMA
Kernel: trying to mount root from ufs /dev/ad0s1a
login: Root Login (root) on ttyv0

Could someone please help me?? I need it to move some files from another pc!

Looking farward to a prompt reply
Best regards