linux user group brescia

ciao a tutti,

dopo aggiornamento da FF a GG ed aggiunta di kde, il mio sistema non mi fa  
piu' l'automount delle memorie usb (1 hard disk e memorie usb varie)

il dmesg mi dice

[  805.312236] usb 1-1: new full speed USB device using ohci_hcd and  
address 4
[  805.529094] usb 1-1: configuration #1 chosen from 1 choice
[  805.532279] scsi1 : SCSI emulation for USB Mass Storage devices
[  805.532608] usb-storage: device found at 4
[  805.532612] usb-storage: waiting for device to settle before scanning
[  810.532856] usb-storage: device scan complete
[  810.570854] scsi 1:0:0:0: Direct-Access     WD       2500JB External   
0107 PQ: 0 ANSI: 0
[  810.581768] SCSI device sda: 488397168 512-byte hdwr sectors (250059 MB)
[  810.594755] sda: Write Protect is off
[  810.594760] sda: Mode Sense: 03 00 00 00
[  810.594764] sda: assuming drive cache: write through
[  810.605749] SCSI device sda: 488397168 512-byte hdwr sectors (250059 MB)
[  810.618742] sda: Write Protect is off
[  810.618747] sda: Mode Sense: 03 00 00 00
[  810.618750] sda: assuming drive cache: write through
[  810.618756]  sda: sda1
[  810.628893] sd 1:0:0:0: Attached scsi disk sda
[  810.628981] sd 1:0:0:0: Attached scsi generic sg0 type 0
[  811.866695] FAT: Unrecognized mount option "usefree" or missing value

qualcuno mi può aiutare??

Grazie,

pierino