USB pen drive not detected

Peter Ulrich Kruppa ulrich at pukruppa.de
Tue Aug 10 15:42:17 UTC 2010


On Tue, 10 Aug 2010, Oliver Fromme wrote:

> Peter Ulrich Kruppa wrote:
> > I am running FreeBSD 8.1-STABLE amd64 and have got a strange problem
> > when I try to attach and mount my 16 GB USB pen drive.
> >         # dmesg
> > delivers something like
> >         ugen1.2: <vendor 0x058f> at usbus1
> >         umass0: <vendor 0x058f Spaceloop 16GB, class 0/0, rev 2.00/1.02,
> >         addr 2> on usbus1
> >         (probe0:umass-sim0:0:0:0): INQUIRY. CDB: 12 0 0 0 24 0
> >         (probe0:umass-sim0:0:0:0): CAM status: SCSI Status Error
> >         (probe0:umass-sim0:0:0:0): SCSI status: Check Condition
> >         (probe0:umass-sim0:0:0:0): SCSI sense: DATA PROTECT asc:6e,17
> > (Reserved ASC/ASCQ pair)
> >         (probe0:umass-sim0:0:0:0): AutoSense failed
> >
> > No /dev/da0s1 is created and of course it can not be mounted.
>
> Do these commands help?
>
> # camcontrol reset 0
> (wait a few seconds for the reset to complete)
> # camcontrol rescan 0
No, I played around with camcontrol a bit and even tried reset 
all and rescan all, but the pen drive won't be detected - no 
that's not correct: it is detected somehow but no device in /dev is 
created.
 	# dmesg
now delivers
 	ugen1.2: <vendor 0x058f> at usbus1
 	umass0: <vendor 0x058f Spaceloop 16GB, class 0/0, rev 2.00/1.02,
 	addr 2> on usbus1
 	(probe0:umass-sim0:0:0:0): AutoSense failed
 	da0 at umass-sim0 bus 0 scbus3 target 0 lun 0
 	da0: < Spaceloop 16GB 8.07> Removable Direct Access SCSI-2 device
 	da0: 40.000MB/s transfers
 	da0: 16086MB (32945152 512 byte sectors: 255H 63S/T 2050C)


Regards

Peter

>
> Best regards
>   Oliver
>
> -- 
> Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M.
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>
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| Peter Ulrich Kruppa
| Wuppertal
| Germany


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