How to Stop lightdm Display Manager and X.org X Server in UBUNTU 11.10 and Unload nouveau Kernel Module? (Xen VGA Passthrough)

[Teo En Ming (Zhang Enming)]

Hi,

I have already found the solution for Ubuntu 11.10 oneiric ocelot.

_Step 1_

/etc/modprobe.d/blacklist.conf

blacklist nouveau

_Step 2_

sudo apt-get remove lightdm

_Step 3_

sudo reboot

And done!

Thank you very much for your prompt reply.

Yours sincerely,

Teo En Ming (Zhang Enming)



On 21/03/2012 23:15, Liam Proven wrote:
> On 21 March 2012 04:18, Teo En Ming (Zhang Enming)
> <ubuntu.fan.2012 at gmail.com>  wrote:
>> Hi,
>>
>> How do I stop lightdm display manager and X.org server in Ubuntu 11.10 and
>> unload the nouveau vga driver?
>>
>> I can certainly run "sudo killall lightdm" and of course lightdm and X.org X
>> server will be terminated successfully, but I cannot force nouveau vga
>> driver to unload at all. It always say nouveau module is in use even if I
>> use "sudo modprobe --force --remove nouveau".
>>
>> I need to unload the following kernel modules for successful Xen VGA
>> passthrough.
>>
>> rmmod nouveau
>> rmmod ttm
>> rmmod drm_kms_helper
>> rmmod drm
>
> Ah, dammit, this is annoying. I have done this, but it was very tricky
> &  I did not keep notes. I am not sure I can remember exactly.
>
> Have you tried blacklisting the modules so they do not load?
>
> Or starting in single-user mode, remounting root RW and removing them then?
>
>

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