[elrepo] skylake and nvidia

[Nicolas Thierry-Mieg]

On 09/20/2016 04:56 PM, Trevor Hemsley wrote:
> There was a post made on the forums just recently that said that using
>
> |i915.preliminary_hw_support=1
> |
> on the kernel command lijne makes it work for at least some Skylake
> chips with the standard CentOS kernel.
>
> Skylake support is *meant* to be in 7.2 onwards.

Beautiful! Thanks Trevor, this works for me with the standard kernel.

bumblebee+nvidia doesn't work yet, but at least I can work with the 
regular kernel and elrepo goodies. I'll investigate bb+nvidia and may 
get back to the list if I find a solution.


> |
> |On 20/09/16 15:46, Nicolas Thierry-Mieg wrote:
>> Hi again,
>>
>> as posted a short while ago, I have a new Acer Aspire E5-575G-55DE
>> laptop and am trying to get C7 running on it.
>>
>> This laptop has an intel i5-6200U with integrated HD Graphics 520. It
>> also has an nvidia GeForce GTX 950M.
>> Installing kmod-nvidia and bumblebee as explained [1] results in the
>> "Oh no! Something has gone wrong" screen. I suspect that's because the
>> regular C7 kernel and xorg-x11-drv-intel don't support the intel 520.
>>
>> Booting into kernel-lt, it seems the intel 520 works...? This is
>> surprising because Farkas Levente's recent post to this list suggested
>> that a newer xorg-x11-drv-intel should be needed, in addition to the
>> newer kernel. But I have a bunch of OK-looking intel messages in
>> /var/log/Xorg.0.log , and glxinfo says:
>> OpenGL vendor string: Intel Open Source Technology Center
>> OpenGL renderer string: Mesa DRI Intel(R) Skylake ULT GT2
>>
>> Question 1: does this mean the intel 520 works fully under kernel-lt?
>> If not, what should I look at?
>>
>>
>> Assuming the intel GPU works under kernel-lt, I could then hope to get
>> nvidia and bumblebee working. I've been using the elrepo nvidia
>> drivers for ages, but I could use the nvidia-provided installer and
>> hope it doesn't clobber anything (which I doubt...).
>> Question 2: any caveats here?
>>
>> Finally I would need to get bumblebee working, otherwise the nvidia
>> stuff is useless. However, bumblebee requires kmod-bbswitch...
>> Question 3: I guess I would have to rebuild bbswitch [2] for
>> kernel-lt, but could I still use the elrepo-provided bumblebee ?
>>
>>
>> Thanks for any advice anyone can provide.
>> Regards,
>> Nicolas
>>
>>
>>
>> [1] http://elrepo.org/tiki/bumblebee
>> [2] https://github.com/Bumblebee-Project/bbswitch
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-- 
------------------------------------------------------------
Nicolas Thierry-Mieg
Laboratoire TIMC-IMAG/BCM, CNRS UMR 5525
Pavillon Taillefer, Faculte de Medecine
38706 La Tronche cedex, France
tel: (+33)456.520.067, fax: (+33)456.520.055
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