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#1 (**permalink**) 02-21-2008, 08:23 AM

I am having problems with hotplugging and usb devices.
I have emerged hotplug and added it to the default run level

rc-update add hotplug default

If I plugin my usbcamera gentoo does not find it.
If I try gtkam this also does not detect my camera.

root@orac anc # lsusb
cannot open /proc/bus/usb, No such file or directory
(Under /proc/bus I have only a pci folder no usb.)

If I type usbview an error window pops up telling me to have
usbdevfs mounted.
How do I tell gentoo to mount this fs, I have no entries in /etc/fstab for
usbdevfs. Should this be created automaticlly with hotplug ?

Thanks in advance.

#2 (**permalink**) 02-21-2008, 08:23 AM

anc wrote:
> root@orac anc # lsusb
> cannot open /proc/bus/usb, No such file or directory
> (Under /proc/bus I have only a pci folder no usb.)
>
> If I type usbview an error window pops up telling me to have
> usbdevfs mounted.
> How do I tell gentoo to mount this fs, I have no entries in /etc/fstab for
> usbdevfs. Should this be created automaticlly with hotplug ?
>
You need to have usb-support in your kernel or the appropriate modules
(usb-core, AFAIR) loaded. Further you need to have the modules appropriate
for your device, usually usb-storage. The latter works in conjunction with
the SCSI-subsystem, which has also to be activated or at least compiled as
modules.

So try
#> modprobe usb-core
After that, the appropriate folders /proc/bus/usb should be generated.

HTH, regards
Felix

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Problem with USB and Hotplug