support of PCIe NVME drives

[Miroslav Lachman]

Kurt Jaeger wrote on 04/16/2020 20:07:
> Hi!
> 
>> I was requested to install FreeBSD 11.3 on a new Dell machine with only 2
>> NVME drives in ZFS mirror. The problem is that installer does not see the
>> drives. Are there any special procedure to use NVME drives for
>> installation a later for booting?
> 
> I use 2 NVMe drives as zfs mirror to boot from on my testbox,
> but it runs CURRENT, since approx. November 2018.
> 
> So maybe try it with 12.1 ? I know, that does not help if you are asked
> to install 11.3, but at least it gives you an idea...
> 

I tried 12.1 few minutes ago but the result is the same - no NVME drives 
listed.
Should I try something with kernel modules, some sysctl tweaks?
Should I try UEFI boot? (I never did)

Kind regards
Miroslav Lachman