Virtualbox does a kernel recompile thing.

See the other email related to quick repair via command line Guest Addtions:

http://reformedmusings.wordpress.com/2008/12/11/installing-sun-virtualbox-6-guest-additions-in-linux-guests/

Obnosis | (503)754-4452
PLUG Linux Security Labs 2nd Saturday Each Month@Noon - 3PM


> Date: Mon, 23 Mar 2009 12:58:39 -0700
> From: danceswithcrows@usa.net
> To: plug-discuss@lists.plug.phoenix.az.us
> Subject: Re: How to recover X display?
>
> From: Josef Lowder <joe@actionline.com>
> >On 3/23/09, Matt Graham <danceswithcrows@usa.net> wrote:
> >> USB drive, shirley?
> > When I plug in a flash stick into a USB drive, it no longer gets
> > mounted now, so I cannot copy files to it.
>
> Mount it manually, then. Plug drive in, dmesg | tail to see which
> device node it got assigned to, mkdir /mnt/usb , mount /dev/sd?1
> /mnt/usb . (It's not that you can't copy files to the disk, it's
> that you don't know how to do it.)
>
> >> This is an X problem IIRC. The module being referred to is the X
> >> module, not a kernel module. Did X get upgraded at some point?
> > As far as I can tell, "X" did not get upgraded or changed.
>
> No scare quotes around X are necessary. It's an abbreviation for
> the X11 Window System, which drives graphics cards and input
> devices on Linux/*BSD systems. You probably have an executable
> called /usr/bin/X on your system.
>
> > Tried editing out the line referring to "v4l" and rebooted, but
> > that did not bring back "X"
>
> No reboot was necessary. Just restarting X should've showed you
> if it had worked. Did /var/log/Xorg.0.log change? It
> would be a good idea to post that file too, since there are
> probably some things in there that would be useful to see. The
> whole file, not excerpts, even though 90% of the X log is usually
> useless....
>
> >> grep Driver /etc/X11/xorg.conf
> >> lspci | grep VGA
> > VGA compatible controller: ATI Technologies Inc Radeon Mobility
>
> Right, so the xorg.conf grep should've showed either radeon or fglrx.
> Those are the Free and proprietary X modules that drive those cards.
>
> This is all very strange to me, since installing virtualbox shouldn't
> have changed *anything* with the X config.
>
> --
> Matt G / Dances With Crows
> The Crow202 Blog: http://crow202.org/wordpress/
> There is no Darkness in Eternity/But only Light too dim for us to see
>
>
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