On 08/02/2017 10:55 AM, Lamar Owen wrote:
> On 07/27/2017 04:16 PM, wwp wrote:
>> ...
>> It is as simple as unknown hardware at boot up, it's a well known issue
>> w/ *Lake hardware (modern hardware) that kernel 3.x cannot handle.
>> CentOS7 has a kernel which is simply not modern, unable to handle lots
>> of computers sold currently.
>>
>> That said, there might be a way to boot, but nothing trivial and
>> nothing at all I could find on the Internet, everytime it's kernel
>> 4.3/4.10 minimum required.
> ...
>
> While I know that Johnny has provided the experimental kernel (thanks,
> Johnny) I would like to just briefly address this idea that the C7
> kernel is 'obviously' not going to work because 'is 3.x and must have
> 4.x.'
>
> In EL-land, kernel versions are effectively meaningless, since
> features, hardware support, bugfixes, security fixes, etc are
> back-ported into the 'old and not modern' 3.10 kernel (for EL7) by
> competent developers at Red Hat. An EL 3.10 kernel, such as the
> current 3.10.0-514.26.2.el7.x86_64 one, may have hardware support
> back-ported from a 4.x kernel that doesn't exist in the vanilla
> kernel.org kernel (I'm almost certain it does, but I'm not going to
> take the time to get details).
>
> So it is very possible that full hardware support for your hardware
> could show up in a 3.10 kernel (in fact, I would expect that this
> would happen, but it might not happen quickly). As you found out,
> experimental kernels and non-distribution kernels can freak out
> software packages, such as VMware Workstation, that only work with
> certain kernels and are expecting a particular kernel version and ABI
> for EL7. I've tried out a few non-standard kernels before, and if you
> rely on packages that depend upon the distribution default kernel
> version (as I do with kmod-nvidia from ELrepo!) that breakage can be
> swift, and can derail you in a hurry, causing you to go down a rabbit
> hole very quickly. So be prepared and keep your eyes open for these
> issues.
>
> In some circles, the back-porting of features into old kernels is
> controversial; but that is a business decision made as part of the EL
> development and is not likely to change any time soon. YMMV.
> _______________________________________________
I missed some of the responses but have you tried kernel-ml for RHEL 7
yet? See http://elrepo.org/tiki/kernel-ml
Mike
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