I followed the instructions to install virtualbox here: VirtualBox - Manjaro. I am running Manjaro XFCE. When I launch virtualbox for the first time, it tells me it can’t enumerate usb devices. It looks like virtualbox-ext-oracle 7.2.6-1 was installed successfully.
Please provide system information as described (below). This will allow others to better respond to your questions – as it stands, there is no useful information given.
Of particular interest might be which kernel you are using, and whether Virtualbox has been correctly installed according to instructions, for the particular kernel. The inxi output will also specify important system detail.
The following article lists several possible reasons for USB device failing to enumerate in Virtualbox. You may wish to investigate those before going much further:
[Mini-HowTo] Provide System Information
Basic details provided by *-fetch type apps might give enough information for someone wishing to buy a computer, however, for Support purposes it’s best to ask your system directly.
Output of the inxi command will generate more useful and detailed information for those who may wish to help:
Suggested inxi command (use either):
inxi -zv8 |
(short-form) |
inxi --filter --verbosity=8 |
(long-form) |
- man inxi (The
inximanual)
Command output should be presented as pre-formatted text in accordance with forum guidelines. 
Running inxi within a chroot environment
- Add
--color=0to the long-form command, or… - Change the short-form command to
inxi -zv8c0
Your privacy is respected
Did you execute the following to make yourself part of vboxusers group and then logout and log back in?
sudo gpasswd -a $USER vboxusers
Ignore - you don’t need virtualbox-ext-oracle for normal function.
If you find you need it for advanced functionality then make sure you are configuring the virtual USB controller to match the host system.
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