[Bug 573114] Re: at bootup get "can't mount /proc/usb/hub" message

[Blaine]

I know what usually causes this if anyone is interested.  In 9.10 you
need to add something like this to /etc/fstab:

none /proc/bus/usb usbfs devgid=124,devmode=664 0 0

in order for virtualbox to be able to access usb.  With 10.04,
apparently, this line isn't needed and virtulbox can access usb out of
the box.  This line was left over on my laptop from 9.10 on my upgrade
to 10.04 and caused my system to hang.  This has happened to me twice:
Once when I upgraded from 9.10 to 10.04 and today when I rebooted after
a system update (using a fresh 10.04 install). When I did my original
9.10=>10.04 upgrade, the system did not actually give me the 'Press S to
Skip or M to manually mount' message on the splash screen; it just hung
and was apparently waiting for a key press (s or m).   I ended up doing
a full wipe and reinstall, only to have the same error happen after I
added the line to /etc/fstab when I installed virtualbox.  Now I know
that I could have avoided the entire wipe if only I had pressed "s".
Live and Learn, I suppose.

So.  To get rid of this message, try removing the /etc/fstab line
regarding /proc/bus/usb if you have one.

-- 
at bootup get "can't mount /proc/usb/hub" message
https://bugs.launchpad.net/bugs/573114
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