Re: Nvidia drivers

[Matthew Crews <mattcrews@mattcrews.com>]

On 07/05/2018 06:03 PM, Mark Allums wrote:
> On 7/5/18 5:42 PM, Francisco Mariano-Neto wrote:
>> Hey all,
>>
>> 	I'm running kernel 4.15 with nvidia-driver 390.48-3 with no
>> problems. However, recently my kernel was automatically upgraded to 4.16
>> and it broke the nvidia driver.
>>
>> 	Running 'dkms autoinstall --all' does not help, it complains
>> about not finding kernel headers (which are installed) and quits.
>>
>> 	Any ideas on how I can rebuild the kernel module for the new
>> kernel version?
>>
>> Thanks
>> Francisco
>>
> This requires a workaround, a kernel parameter at boot.
> 
> GRUB_CMDLINE_LINUX_DEFAULT="slab_common.usercopy_fallback=y"
> 
> Edit the config file like this,
> 
> $sudo gedit /etc/default/grub
> 
> Then run $sudo update-grub.
> 

As an aside, thank you for posting this fix. Although my drivers were 
not broken, I did have a problem where xorg would not start correctly 
with the 4.16 kernel and nvidia drivers 390.48 (both from Stretch 
backports). That GRUB command seemed to resolve it my issue.

Cheers.