On 2/27/2012 05:11, Sven Barth wrote:
I'd be happy to be proven wrong, but my understanding is that you do since there is one specific kernel call (in effect, telling the kernel to release an unrecognised device to an unprivileged program) that won't work otherwise.I already managed the following some time ago for a scanner that was not supported by SANE: * setup a Windows VM in QEMU * tell QEMU to pass the scanner to the VM If I now started the VM I became a "permission denied" error when it tried to open the corresponding dev node. Now I simply changed (at that time without udev rules, because they somehow didn't work as I wanted them to) the group of the corresponding device file (/dev/usb/{bus}/{device}) to a group my user is part of and Tada! it worked. So no, you don't need Root access for an unrecognized device.
why not just add your user(s) to that group the device was in? this would/should give the same access capabilities... or am i missing something else?
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