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xmaes
n00b
n00b


Joined: 13 Aug 2008
Posts: 69
Location: Madrid

PostPosted: Sun May 30, 2010 4:13 pm    Post subject: No /proc/bus/usb Reply with quote

Hello,

I have a problem with virtualbox, i cant access usb devices as a normal user (only as root).
My user is part of the usb and virtualbox group.

I was reading this post

https://forums.gentoo.org/viewtopic-t-799244-highlight-usbfs+virtualbox.html

and this guide

http://www.gentoo.org/doc/en/usb-guide.xml

and i am stucked at this part

Quote:
Warning: lsusb reads the information for the USB devices from /proc/bus/usb. If you have not enabled that in your kernel, chances are that lsusb may not work at all. Please ensure you have /proc filesystem support enabled in your kernel and that usbfs is mounted at /proc/bus/usb (which should happen automatically).


lsusb is working
Quote:
desktop xavier # lsusb
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 050d:3201 Belkin Components F1DF102U/F1DG102U Flip KVM
Bus 001 Device 005: ID 046d:c50e Logitech, Inc. MX-1000 Cordless Mouse Receiver
Bus 001 Device 006: ID 0603:00f2 Novatek Microelectronics Corp.
Bus 001 Device 003: ID 03f0:2b17 Hewlett-Packard LaserJet 1020
Bus 001 Device 002: ID 0424:2524 Standard Microsystems Corp. USB MultiSwitch Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub


but i dont have a /proc/bus/usb

Quote:
desktop xavier # ls -l /proc/bus/
total 0
dr-xr-xr-x 2 root root 0 May 30 16:01 input
dr-xr-xr-x 7 root root 0 May 30 16:01 pci
desktop xavier #


and my fstab
Quote:
/dev/sr0 /media/cdrom auto noauto,ro,users 0 0
/dev/md0 /boot ext2 noauto,noatime 1 2
/dev/mapper/vg-swap none swap sw,pri=1 0 0
/dev/mapper/vg-gentoo / ext3 noatime,user_xattr 0 0
/dev/mapper/vg-home /home/data xfs noatime 0 0
/dev/md3 /home/xavier/agilent ext3 noatime,user_xattr 0 0
#tmpfs /var/tmp/portage tmpfs size=75555500M,mode=0777 0 0
#/dev/sdg1 /mnt/backup ext3 noatime,user_xattr 0 0

#/dev/mapper/vg-home /var/ftp xfs noatime 0 0
#/dev/sdg1 /mnt/win vfat noatime,uid=1000,gid=100 0 0
proc /proc proc defaults 0 0
shm /dev/shm tmpfs nodev,nosuid,noexec 0 0


and my .config and "emerge --info" (just in case)

http://pastebin.com/jeXTQtz5

http://pastebin.com/9TqfAiBB


Is my problem with virtualbox related to /proc/bus/usb not beeing mounted ?
If so what should i do to correct the problem ( add a line in fstab) ?

Thank you,

Xavier
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VoidMage
Watchman
Watchman


Joined: 14 Oct 2006
Posts: 6194

PostPosted: Sun May 30, 2010 5:29 pm    Post subject: Reply with quote

Get unstuck then - that part of the guide is most likely
outdated. See usbutils changelog.

/proc/bus/usb/ is controlled by CONFIG_USB_DEVICEFS - marked as deprecated;
according to kernel note, udev handles it by itself.
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Krog
Guru
Guru


Joined: 26 Jun 2007
Posts: 330
Location: Roma, Italy

PostPosted: Wed Feb 17, 2016 5:52 pm    Post subject: Reply with quote

VoidMage wrote:
Get unstuck then - that part of the guide is most likely
outdated. See usbutils changelog.

/proc/bus/usb/ is controlled by CONFIG_USB_DEVICEFS - marked as deprecated;
according to kernel note, udev handles it by itself.


same problem here, I really don't understand how to solve... I just updated my system and now nothing works.
Maybe i'm too old for this.
Udev handles itself. How?
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