hybrid-graphics-linux team mailing list archive

[charles <aquasync@xxxxxxxxx>]

You could try blacklisting the nvidia modules:

$ cat /etc/modprobe.d/blacklist-nvidia.conf
blacklist nouveau
blacklist nvidia

Then I think you need to update the initramfs:

$ update-initramfs -u

HTH,

Charles

On Sun, Feb 27, 2011 at 2:08 AM, Erik Pettersen <pettersen@xxxxxxxxx> wrote:

> I've got a newer Vostro 3400 with the dreaded optimus nvidia / intel piggy
> back flippy floppy hybrid display of doom.  I love the comparison to the
> Voodoo cards of yesteryear *sigh*.
>
> After much consternation I was able to install the 64bit Ubuntu 10.10 using
> the alternative text installer iso.  It booted to the ubuntu graphical logon
> screen, but after I typed in my credentials it went to a black screen (yet I
> could hear the ubuntu startup sound).
>
> I rebooted to recovery network root... apt-get update, then upgrade..
> installed git and grabbed the ascpi tool  per this post:
> http://linux-hybrid-graphics.blogspot.com/2010/07/using-acpicall-module-to-switch-onoff.html
>
> It found one "it works" (the last one) in the .test_off.sh script   BUT now
>  (still in console mode) i'm getting BUG : soft lockup - cpu #0  stuck for
> 61s! kslowd 000:993
> stack call track and a bunch of hex codes.  I'm assuming this is a bad
> thing so I shouldn't make this change permanent and load it at boot?
>  right?
>
> TL:DR  I tried the ACPI shutoff but now getting soft lockup bug.  How can I
> best disable/ignore the discrete nvidia so I can start using ubuntu 10.10 on
> my vostro 3400?
>
> help me hybrid graphics list, you're my only hope (well that and quora...)
>  I'm a setback or two more away from returning the 3400 for an intel video
> only machine or *gulp* going back to the darkside (win7) :(
>
>
>
>
>
> _______________________________________________
> Mailing list: https://launchpad.net/~hybrid-graphics-linux
> Post to     : hybrid-graphics-linux@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~hybrid-graphics-linux
> More help   : https://help.launchpad.net/ListHelp
>
>