[gentoo-user] Re: NVMe drive and grub

[Remy Blank <remy.blank@pobox.com>]

peter@prh.myzen.co.uk wrote on 2016-04-08 11:01:
> Remy Blank <remy.blank@pobox.com> wrote :
> 
>> peter@prh.myzen.co.uk
>> wrote on 2016-04-07 17:24:
>>> I have a new box with an NVMe SSD drive attached to the PCI bus via an M.2
>> interface. The drive shows up as /dev/nvme0n1, with partitions /dev/nvme0n1p1,
>> /dev/nvme0n1p2, ... 
>>>
>>> After following the instructions in the handbook for a UEFI system, I get as
>> far as a kernel panic. Grub finds the kernel and starts it, but it seems to be
>> passing a null root device name.
>>>
>>> Can anyone offer some advice to help me get past this?
>>
>> Make sure you have BLK_DEV_NVME compiled into your kernel (not as a
>> module), and that you pass the right device name as a root FS to the
>> kernel. It might also help to use a very recent kernel.
> 
> Yes, I have that compiled in, and the kernel is 4.1.15-r1.
> 
>> FWIW, I'm writing this from a laptop that boots from two NVMe devices in
>> RAID 1 configuration, with kernel 4.4.5.
> 
> Now, that's just showing off  :-) 

Now now, I was merely providing evidence that what you are trying to do
actually works.

... But yeah, it's fast :)

-- Remy