On Sun, 30 Sep 2007, The Almighty Pegasus Epsilon wrote:

> I've got a 1TB Western Digital USB drive, and when I connect it to my
> linux machine, it shows it as both an HID device and a mass storage
> device, but udev only generates the sg device node of the HID, and I
> consequently can't seem to access the mass storage part, which is the
> only part I actually care about.
> 
> First, I'm not even sure if this is a kernel/USB driver issue, or a
> udev issue, or a user issue, but if it's a udev issue, I ought to be
> able to just run mknod with the right magic numbers and have it work,
> but either i'm massively misunderstanding the enumeration of such
> things, or even that doesn't work.
> 
> In any case, I've gone so far as reading everything from google
> results, to deciphering a good half of /proc/bus/usb/devices, to even
> skimming kernel code, and either composite device support is still
> being hammered out, or i need gadget support in there, or I'm
> completely overlooking something.
> 
> So the questions: Am I overlooking something? Do you need more
> information (lsusb -v perhaps) to sort this out,

"more information"?!  You have provided hardly any, beyond the fact 
that it doesn't work!

> or do I actually need
> to get to patching the kernel, or installing a development/release
> candidate kernel, or should I just take this thing back to best buy? I
> kinda need the space, as you can probably guess, as I paid for it, and
> would seriously appreciate a quick fix, if one exists.

The output from "dmesg" would help, and so would the contents of
/proc/bus/usb/devices.  It also wouldn't hurt if you mentioned which
version of the Linux kernel you are using.

Alan Stern


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