nvmeof Issues with Zen 3/Ryzen 5000 Initiator

[Jonathan Wright]

Yes, in an attempt to put forth more effort to help here I've spent the 
morning compiling various branches of the nvme kernel branches.

5.8 - NIC drivers won't compile, cannot test
5.9 - Issue persists and when it happens the entire system locks up
5.10 - Issue persists

I don't see much point in continuing further with such tests honestly.  
I think this is something that has never worked with Zen 3 and not a 
regression.

I'm gathering up more hardware to test later today on some other 
combinations - namely Zen 2 (Ryzen 3600) to see if the issue exists 
there.  I have some EPYCs (Zen 2) as well but it'd be later next week 
before I can get them in my lab for testing.

On 5/27/21 11:51 AM, Keith Busch wrote:
> On Thu, May 27, 2021 at 02:36:59AM +0000, Chaitanya Kulkarni wrote:
>> On 5/26/21 16:14, Jonathan Wright wrote:
>>> I grabbed/built the kernel from the nvme-5.14 branch
>>> (http://git.infradead.org/nvme.git/shortlog/refs/heads/nvme-5.14) and
>>> managed to get the NIC drivers compiled.
>>>
>>> Unfortunately the issue still persists.
>> It will allow everyone to help you to fix this if you can bisect
>> the problem.
> You need a "good" commit point in order to bisect, and we don't have one
> here. The description sounds like no kernel release ever worked.

-- 
Jonathan Wright
KnownHost, LLC
https://www.knownhost.com