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Re: Kernel upgrade = freeze on boot (linux-image-4.16.0-2-amd64)




Le jeudi 5 juillet 2018, 08:25:15 CEST Ric Moore a écrit :
> On 07/04/2018 09:12 PM, Carl Fink wrote:
> > On 07/02/2018 04:49 AM, Guillaume Clercin wrote:
> >> You need to update "/etc/default/grub" and add parameter to boot with.
> >> In this
> >> file, you need to edit the line starting with GRUB_CMDLINE_LINUX and
> >> append
> >> option: "slab_common.usercopy_fallback=y". This workaround was
> >> suggested by
> >> nvidia maintainer. Don't forget to run "update-grub" after.
> >> 
> >> nvidia-graphics-drivers (390.67-1) unstable; urgency=medium
> >> 
> >>    For using the NVIDIA driver on Linux 4.16.16-1 or newer, the following
> >>    kernel boot option may be needed as a workaround for #901919:
> >>      slab_common.usercopy_fallback=y
> >>    See https://bugs.debian.org/901919 for details.
> >> 
> >>   -- Andreas Beckmann <anbe@xxxxxxxxxx>  Thu, 28 Jun 2018 12:32:19 +0200
> >> 
> >> This workaround works fine for me. Currently, I'm using nvidia-driver
> >> (390.67-1) and Linux (4.16.0-2-amd64).
> > 
> > I am late in saying it, but thank you, Guillaume.
> > 
> > This also worked for me.
> 
> Worked for me too!! THANKS!!! Ric

I upgrade nvidia-driver to version 390.67-2 and I can boot without option  
"slab_common.usercopy_fallback".


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


-- 
Guillaume Clercin

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