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_______0
Guru
Joined: 15 Oct 2012
Posts: 521
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 Posted: Fri Jul 05, 2013 10:17 pm Post subject: Proper way of passing usb devices to qemu? |
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hi,
When I use:
| Code: | -usbdevice
host:bus.addr
Pass through the host device identified by bus.addr (Linux only).
host:vendor_id:product_id
Pass through the host device identified by vendor_id:product_id (Linux only).
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I get:
husb: open /dev/bus/../../: Permission denied
How is this possible? If qemu is supposed to run as user and not as root why can't properly use USB devices?
How to fix this?
thanks |
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vaxbrat
l33t
Joined: 05 Oct 2005
Posts: 731
Location: DC Burbs
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| Posted: Sun Jul 07, 2013 5:22 pm Post subject: usb group |
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| If you aren't running the qemu process as root, but instead as qemu or something else, make sure it's in the usb group in /etc/group. Also check the ownership and permissions of the usb devices you are wanting to use in /dev. You may need to tweak udev rules, etc to open them up and make sure the group ownership is set correctly. |
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