Re: udev/ubuntu problem solved

[Greg KH <greg@kroah.com>]

On Thu, Jul 12, 2007 at 09:52:15AM +0100, Scott James Remnant wrote:
> On Wed, 2007-07-11 at 17:35 -0700, Greg KH wrote:
> 
> > On Wed, Jul 11, 2007 at 09:34:31AM +0100, Scott James Remnant wrote:
> > > On Tue, 2007-07-10 at 17:39 +0200, Kay Sievers wrote:
> > > 
> > > > On 7/10/07, Andreas Jellinghaus <aj@dungeon.inka.de> wrote:
> > > > > I finally figured out what is wrong with udev on ubuntu.
> > > > >
> > > > > ubuntu mounts usbfs as /proc/bus/usb/.usbfs
> > > > > and has udev create /dev/bus/usb and bind-mounts that as /proc/bus/usb.
> > > > 
> > > > What are theses guys smoking? That's so sick to bind-mount
> > > > /dev-directories to /proc! I wouldn't support such a system at all. It
> > > > is totally broken.
> > > > 
> > > It works <g>
> > > 
> > > What we do is mount the usbfs filesystem on /dev/bus/usb/.usbfs, and
> > > symlink the devices file from that into the parent directory (so
> > > that /dev/bus/usb/devices exists).
> > > 
> > > The whole lot is then bind-mounted to /proc/bus/usb; so an application
> > > using /proc/bus/usb sees the same tree as a fixed one.
> > > 
> > > We would fix the apps, but unfortunately we don't have the source to
> > > VMware!
> > 
> > vmware originally said they would fix their program up to handle this
> > properly.  Unfortunatly, they seem to have forgotten this and do not
> > seem to be willing to do this, especially when distros do looney things
> > like this to apease them :)
> > 
> VMware appears to work on my laptop here, which is running the
> development version of Ubuntu (which lacks the /proc/bus/usb hack).

Are you using usb devices within the guest operating systems and Ubuntu
as the host os?

thanks,

greg k-h

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