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I have not used virtualbox on my computer for some time, so I'm not sure exactly when it broke, but right now it's not detecting any USB devices. This is a regression, it has worked fine in the past. This appears like it could be some sort of a permissions issue as running VBoxManage list usbhost does list the connected devices when run as root. I am in the vboxusers group. The /dev/vboxusb/ tree does appear to be getting created and updated correctly with the correct permissions. I have the corresponding version of the kernel modules and extension pack installed from the AUR.
Edit: when I went to post some command outputs, I discovered something really strange. Running VBoxManage list usbhost as myself will actually list the USB devices, but only when virtualbox is not running. When virtualbox is running, VBoxManage list usbhost does not see anything unless it is run as root.
Just noticed this in dmesg, not sure if it is related or not:
[ 5221.580455] nspr-2[26125]: segfault at 35 ip 0000000000000035 sp 00007f08620a0d08 error 14 in VBoxSVC[400000+426000]
Edit again: After poking around in the log files to find out more about the VBoxSVC segfault, virtualbox USB support randomly started working again????
Last edited by alex.forencich (2015-08-05 00:34:10)
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I'm guessing: https://wiki.archlinux.org/index.php/Vi … sers_group
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Problem appears to be back. I am in the vboxusers group (as well as storage and wheel), and I recently rebooted with the latest kernel updates. So that is definitely not the problem. However, VBoxManage list usbhost only works as root. As a normal user, it says <none>.
Edit: switched to virtualbox-bin, still no dice.
Edit: even if I chmod a+rw /dev/vboxusb/*/*, the devices still do not show up in VBoxManage list usbhost .
Last edited by alex.forencich (2015-09-15 22:46:22)
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