[CentOS] possible issue with nvidia and new patches?

2018-01-04 Thread Zube
Twitter user stintel, in this thread:

https://twitter.com/stintel/status/948499157282623488

mentions a possible problem with the new patches and the
nvidia driver:

"As if the @Intel bug isn't bad enough, #KPTI renders @nvidia driver
incompatible due to GPL-only symbol 'cpu_tlbstate'. #epicfail"

Also:

https://twitter.com/tomasz_gwozdz/status/948590364679655429

https://twitter.com/BitsAndChipsEng/status/948578609761054721

Cheers,
Zube
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Re: [CentOS] possible issue with nvidia and new patches?

2018-01-04 Thread John Hodrien

On Thu, 4 Jan 2018, Zube wrote:


Twitter user stintel, in this thread:

https://twitter.com/stintel/status/948499157282623488

mentions a possible problem with the new patches and the
nvidia driver:

"As if the @Intel bug isn't bad enough, #KPTI renders @nvidia driver
incompatible due to GPL-only symbol 'cpu_tlbstate'. #epicfail"

Also:

https://twitter.com/tomasz_gwozdz/status/948590364679655429

https://twitter.com/BitsAndChipsEng/status/948578609761054721


I've seen no obvious problems with kernel-3.10.0-693.11.6.el7.x86_64 and
nvidia-x11-drv-384.98-2.el7.elrepo.x86_64.

This includes running under KVM with vfio passthrough.

jh
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Re: [CentOS] possible issue with nvidia and new patches?

2018-01-04 Thread Akemi Yagi
On Thu, Jan 4, 2018 at 5:29 AM, John Hodrien 
wrote:

> On Thu, 4 Jan 2018, Zube wrote:
>
> Twitter user stintel, in this thread:
>>
>> https://twitter.com/stintel/status/948499157282623488
>>
>> mentions a possible problem with the new patches and the
>> nvidia driver:
>>
>> "As if the @Intel bug isn't bad enough, #KPTI renders @nvidia driver
>> incompatible due to GPL-only symbol 'cpu_tlbstate'. #epicfail"
>>
>
> I've seen no obvious problems with kernel-3.10.0-693.11.6.el7.x86_64 and
> nvidia-x11-drv-384.98-2.el7.elrepo.x86_64.
>
> This includes running under KVM with vfio passthrough.
>
> jh


​Apparently CentOS kernels are not affected. I don't see symbol ​
cpu_tlbstate
​.

Akemi​
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