I can't mount my USB thumb drive or ipod -- no /dev/da*

Duane Whitty duane at greenmeadow.ca
Sat Feb 11 04:24:57 PST 2006

Erin Sharmahd wrote:
> I'm a bit of a newbie, but I've done a good bit of research, and some
> asking around on this issue, and haven't been able to resolve it yet. 
> I'm using FreeBSD 6.0 RELEASE with the GENERIC kernel.  (from what i
> can tell, it has all of the necessary pieces to allow usb drives).
> When I plug my ipod into my computer, dmesg gets the following addition:
> umass0: Apple iPod mini, rev 2.00/0.01, addr 2
> However, that's all that appears there relative to it.  From google, I
> found that plugging in an ipod or a usb thumb drive should add a
> /dev/da0 (or similar) entry to /dev, which you should mount.  I still
> don't have a /dev/da*, and I actually checked, and nothing is getting
> added to /dev when I plug the ipod in.
> I thought that perhaps this was a problem related to support for the
> ipod, but I have the exact same problem whenever I try to mount a usb
> thumb drive.  Nothing new appears in /dev, and dmesg simply gives one
> line explaining that umass0 sees the item.  A TA's thumb drive had the
> same problem.
> The ipod is FAT32, and has been used in linux many times.  The thumb
> drive is currently ext3, but I'd like to reformat it to FAT32 once I
> can get FreeBSD to recognize it.
> Here's the info I can find about the ipod:
> from dmesg:
> umass0: Apple iPod mini, rev 2.00/0.01, addr 2
> from usbdevs -d:
> addr 1: EHCI root hub, Intel
>   uhub4
>  addr 2: iPod mini, Apple
>    umass0
> And the info from my usb thumb drive:
> from dmesg:
> umass0: PNY Attache 2.0, rev 2.00/2.00, addr 2
> from usbdevs -d:
> addr 1: EHCI root hub, Intel
>   uhub4
>  addr 2: Attache 2.0, PNY
>    umass0
> Lines that I think are important from the kernel config:
> # USB support
> device    uhci    # UHCI PCI->USB interface
> device    ohci    # OHCI PCI->USB interface
> device    ehci    # EHCI PCI->USB interface (USB 2.0)
> device    usb   # USB Bus (required)
> #device   udbp    # USB Double Bulk Pipe devices
> device    ugen    # Generic
> device    uhid    # "Human Interface Devices"
> device    umass   # Disks/Mass storage - Requires scbus and da
> # SCSI peripherals
> device    scbus   # SCSI bus (required for SCSI)
> device    ch    # SCSI media changers
> device    da    # Direct Access (disks)
> If there's any further information that would help, please let me
> know.  These are the things I've found mentioned on google...
> Thanks,
> ~Erin
> --
> http://www.tuxgirl.com
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I believe you need this entry in you kernel config 

device	pass

Then you need to rebuild and install your kernel 
with this new option.  See the FreeBSD Handbook 
for details on how to do that.  Here is the URI.


Hope this helps,


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