Can't boot 14.04

[Ralf Mardorf]

On Sun, 6 Nov 2016 16:20:16 -0600, Jim Byrnes wrote:
>On 11/06/2016 02:21 PM, Ralf Mardorf wrote:
>> Does this make a difference
>>
>>    sudo apt-get purge $(dpkg -l nvidia* | grep ii | cut -d" " -f3)
>>    sudo apt-get update
>>    sudo apt-get install nvidia-current  
>
>Unfortunately no.
>
>Looking at sys.log I no longer see the message about the mismatch 
>between the kernel and the client.

This is already an important difference.

>Nov  6 21:39:14 Jims-1404 kernel: [   15.146820] nvidia: module
>license 'NVIDIA' taints kernel.
>Nov  6 21:39:14 Jims-1404 kernel: [   15.146826] Disabling lock 
>debugging due to kernel taint
>Nov  6 21:39:14 Jims-1404 kernel: [   15.157800] nvidia: module 
>verification failed: signature and/or required key missing - tainting
>kernel
>
>(googling this didn't seem to produce anythin useful)

http://unix.stackexchange.com/questions/118116/linux-what-is-a-tainted-kernel