Achim is correct -- I couldn't help him much with things
like the CDROM drive makes noise when the usb-uhci driver is
loaded or how USB keeps fs modules from loading.
However, he had one point which he didn't raise here, but I
thought was the most important one for all of us.
Maybe there's already a solution to this. Is devfs one
solution? And is there a pre-devfs solution?
The problem is how to connect/match a /dev/videoN device
to a USB camera and then how to tell your app which /dev/video
to use. I don't personally have more than one camera, but
if I did, I expect that I would be having problems with this.
Think about Plug-and-Play here (but not ISA PNP). And think
about users who aren't developers.
This was essentially repeated as a TODO in last week's
announcement of the [Compaq] PJB-100 device: <quote>
* USB device discovery. There's no easy way on Linux to
enumerate USB devices and decide what /dev files they
correspond to. We think this is a bigger issue than
the PJB, of course. </quote>
~Randy
Achim Flammenkamp wrote:
>
> Also, earlier, when using the previous backport from 2.3.51, I also
> could not
> load the fat-module and vfat-module anymore, used when opening my
> SCSI-ZIP-drive.
> Furthermore my scsi-cdrom drive is actived: a tone immedately appears if
> I load the usb-uhci module -- meanwhile I try to guess from this sound
> duration whether the usb-uhci driver succeeded in loading/mapping the
> webcam-driver :(.
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