Alan Stern wrote:
That doesn't sound like a very good strategy in general. Configurations
don't have to be listed in any particular order; why should the first one
be treated specially?
There are only two ways possible for preferencing a configuration.
Ordering of the configurations or the c
The problem is that USB is not built that way.
You would have to develop your own USB device which is not easy.
To the PC it needs to be a USB keyboard and to the notebook it needs to
be another HID device.
This constitutes a bridge device for USB because it is impossible to
connect two USB buse
I'll bet you could actually build a USB serial to USB HID device. There
are some companies that make a tty level serial to USBHID keyboard chip
so you could take a USB-serial chip cross connect the tty-serial sides
of the chip and one computer would see it as a USB serial port and the
other wou
On Thu, Sep 08, 2005 at 02:28:09PM -0600, Jim Ramsay wrote:
> On 9/8/05, Jim Ramsay <[EMAIL PROTECTED]> wrote:
> > On 9/8/05, Matthew Dharm <[EMAIL PROTECTED]> wrote:
> > > On Thu, Sep 08, 2005 at 11:14:36AM -0600, Jim Ramsay wrote:
> > > > I think I have found a possible bug:
> > > > [...]
> > > >
Not sure what protocol that uses but it could be specific to that cable
so it almost certainly wouldn't masqueraded as a keyboard.
On Thu, 8 Sep 2005, Joseph Mack NA3T wrote:
> On Thu, 8 Sep 2005, Stephen J. Gowdy wrote:
>
> > I don't think you'll find an off the shelf cable for doing
> > that. M
On Thu, 8 Sep 2005, Jim Ramsay wrote:
> More information:
>
> The error only occurrs during device sensing when the
> srb->request_buffer is assigned as follows, by usb/storage/transport.c
> in the routine usb_stor_invoke_transport:
>
> old_request_buffer = srb->request_buffer;
> srb->request_bu
On 9/8/05, Jim Ramsay <[EMAIL PROTECTED]> wrote:
> On 9/8/05, Matthew Dharm <[EMAIL PROTECTED]> wrote:
> > On Thu, Sep 08, 2005 at 11:14:36AM -0600, Jim Ramsay wrote:
> > > I think I have found a possible bug:
> > > [...]
> > > I suppose the scsi code could be changed to guarantee that
> > > srb->r
On Thu, 8 Sep 2005, Joseph Mack NA3T wrote:
> On Thu, 8 Sep 2005, Stephen J. Gowdy wrote:
>
> > I don't think you'll find an off the shelf cable for doing
> > that. Most of them look like network devices to each of
> > the computers.
>
> I couldn't really tell. I saw this
>
> http://www.sewel
On 9/8/05, Matthew Dharm <[EMAIL PROTECTED]> wrote:
> On Thu, Sep 08, 2005 at 11:14:36AM -0600, Jim Ramsay wrote:
> > I think I have found a possible bug:
> > [...]
> > I suppose the scsi code could be changed to guarantee that
> > srb->request_buffer is page-aligned or cache-aligned, but that seem
On Thu, 8 Sep 2005, Stephen J. Gowdy wrote:
I don't think you'll find an off the shelf cable for doing
that. Most of them look like network devices to each of
the computers.
I couldn't really tell. I saw this
http://www.sewelld.com/UsbCable.asp
and assumed it was the USB equivalent of a nul
On Thu, Sep 08, 2005 at 11:14:36AM -0600, Jim Ramsay wrote:
> I think I have found a possible bug:
> [...]
> I suppose the scsi code could be changed to guarantee that
> srb->request_buffer is page-aligned or cache-aligned, but that seems
> like the wrong solution for this bug.
Fixing the SCSI lay
I think I have found a possible bug:
In usb/storage/transport.c, the routine usb_stor_Bulk_transport (and
perhaps other releated routines as well) has the following in the
"DATA STAGE" (around line 1020 in my file):
result = usb_stor_bulk_transfer_sg(us, pipe,
I don't think you'll find an off the shelf cable for doing that. Most of
them look like network devices to each of the computers. Can't the teacher
just take a floppy or a cd, or a USB Storage device?
On Thu, 8 Sep 2005, Joseph Mack NA3T wrote:
> Some of the kids at my son's school use a device c
On Thu, 8 Sep 2005, Robert Marquardt wrote:
> I proposed a strategy using a list of known bad devices so it is
> solvable. The HID blacklist is a sample for such a list already.
Blacklists are a bad idea in general and are better avoided. For example,
what happens when you plug in a new device
Some of the kids at my son's school use a device called an
AlphaSmart to upload their homework and answers to tests
into the teacher's computer.
This device is a keyboard with a 10x40char LCD display and
editor and enough memory to store a few pages of ascii text
files. It appears as a USB ke
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