You might look for a BIOS update.

I am just beginning to learn about all of this M.2 stuff.

But here is my suspicion at this point.  PCI-E lane complication.

See: https://www.pugetsystems.com/labs/articles/Overview-of-M-2-SSDs-586/
 And scroll down to "PCI-E lane complications".


On Thu, Sep 8, 2016 at 8:23 AM, Robert P. J. Day <rpj...@crashcourse.ca>
wrote:

>
>   (this is almost certainly a kernel issue but here's hoping someone
> can give me some guidance.)
>
>   once upon a time, i whined pathetically about problems sticking a
> samsung 950 PRO M.2 SSD into my ASUS G752VL-DH71 gaming laptop
> currently running fedora:
>
>   http://osdir.com/ml/fedora-users/2016-07/msg00410.html
>
> eventually, i tripped over this ASUS forum page:
>
>   https://rog.asus.com/forum/archive/index.php/t-79590.html
>
> where one gets the distinct impression that that particular samsung
> SSD is not compatible with my laptop, but one is assured that what
> does work is the samsung SM951, which i picked up, with still no luck,
> still getting early error message:
>
>   ata1.00: failed to enable AA (error_mask=0x4)
>   ... etc etc ...
>
> this is the SSD:
>
> https://www.amazon.com/Samsung-SM951-512GB-NVMe-MZVPV512HDGL-00000/dp/
> B015CWR4M2
>
> and i'm running out of ideas; do i need to roll my own kernel to add
> support for this thing? i would have thought that if i don't have
> support, the SSD would just be ignored, and not choke the system.
>
>   i'm about to do more testing this weekend, but i sure would like
> some advice.
>
> rday
>
> --
>
> ========================================================================
> Robert P. J. Day                                 Ottawa, Ontario, CANADA
>                         http://crashcourse.ca
>
> Twitter:                                       http://twitter.com/rpjday
> LinkedIn:                               http://ca.linkedin.com/in/rpjday
> ========================================================================
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