ubuntu-x-swat team mailing list archive

[mjbrooks <mjbrooks@xxxxxxxxxxxxxxxxxxxxx>]

If you're stuck with a black screen on boot because of this and can't
seem to CTRL_ALT+F1 press ALT+PRINTSCREEN+R to release the keyboard from
the Xserver. You can then hit CTRL+ALT+F1 to get a TTY

If you just want to get around the issue you can use the NV driver by
editing xorg.conf

sudo nano /etc/X11/xorg.conf

Then edit the part that reads:

Section "Device"
Driver "nvidia"

to:

Section "Device"
Driver "nv"

Save the file and then reboot (or in Kubuntu /etc/init.d/kdm restart or
in Ubuntu /etc/init.d/gdm restart). That should get your desktop up and
running, minus any extra video effects requiring compositing

At least some people reported that that works, however, although I could
see the KDM login screen, X would crash when I tried getting in, so I
had to remove nvidia altogether. Again at the terminal (and assuming you
are using v185):

sudo apt-get purge nvidia-glx-185 nvidia-185-kernel-source

and then after a /etc/init.d/kdm restart I was good to go


For those interested in downgrading the troublesome packages temporarily so they can keep using compositing, but aren't sure how:

If you've been on Karmic for a bit, you probably already have the
packages needed in /var/cache/apt/archives/

sudo dpkg -i --force-downgrade /var/cache/apt/archives/libc6_2.10.1-0ubuntu9_i386.deb
sudo dpkg -i --force-downgrade /var/cache/apt/archives/libc6-i686_2.10.1-0ubuntu9_i386.deb

If not you can grab them from
http://archive.ubuntulinux.org/ubuntu/pool/main/e/eglibc/

I also had the dev package installed, so I needed to downgrade that due
to dependencies:

sudo dpkg -i --force-downgrade
/var/cache/apt/archives/libc6-dev_2.10.1-0ubuntu9_i386.deb


Keep in mind, that unless you pin these they will be updated back to the broken ones if you apply an update (and it will be reported as there being an update available as soon as you do this), so either pin them or wait for this bug to be reported as resolved before doing another update.

Lastly, I heard a couple of people say that manually installing the
NVidia driver from NVidia's website fixed their troubles, however I
can't confirm this personally and it would really only be a last resort
solution for an end user anyways. So since the point of Alpha 5 is to
work out the bugs, going this route means you aren't at all interested
in helping to fix the issue or identify others down the road and really
shouldn't be on Karmic in the first place... let alone complaining about
things getting broken in an "ALPHA DEVELOPMENT" release.

-- 
[karmic] Xorg (and anything GLX) crashes on startup
https://bugs.launchpad.net/bugs/429003
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which is subscribed to nvidia-graphics-drivers-180 in ubuntu.