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Re: Nvidia drivers

On Thu, Jul 05, 2018 at 08:03:22PM -0500, 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?


This requires a workaround, a kernel parameter at boot.


Edit the config file like this,

$sudo gedit /etc/default/grub

Then run $sudo update-grub.

Actually, as of version 390.67-2, that's no longer needed. Quoting [1]:

	nvidia-graphics-drivers (390.67-2) unstable; urgency=high

	  * Add kmem_cache_create_usercopy.patch from Red Hat, fixing "Bad or missing
		usercopy whitelist? Kernel memory exposure attempt detected from SLUB
		object 'nvidia_stack_cache'" on Linux kernels that have disabled
		CONFIG_HARDENED_USERCOPY_FALLBACK (i.e. linux-image-4.16.0-2-* or newer).
		(Closes: #901919)

	 -- Andreas Beckmann <anbe@xxxxxxxxxx>  Thu, 05 Jul 2018 02:01:31 +0200

[1] http://metadata.ftp-master.debian.org/changelogs/non-free/n/nvidia-graphics-drivers/nvidia-graphics-drivers_390.67-2_changelog

For more information, please reread.

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