On 7/19/2018 8:25 PM, Max Gurtovoy wrote:
>
>>>> [ 2032.194376] nvme nvme0: failed to connect queue: 9 ret=-18
>>>
>>> queue 9 is not mapped (overlap).
>>> please try the bellow:
>>>
>>
>> This seems to work. Here are three mapping cases: each vector on its
>> own cpu, each vector on 1 cpu within the local numa node, and each
>> vector having all cpus in its numa node. The 2nd mapping looks kinda
>> funny, but I think it achieved what you wanted? And all the cases
>> resulted in successful connections.
>>
>
> Thanks for testing this.
> I slightly improved the setting of the left CPUs and actually used
> Sagi's initial proposal.
>
> Sagi,
> please review the attached patch and let me know if I should add your
> signature on it.
> I'll run some perf test early next week on it (meanwhile I run
> login/logout with different num_queues successfully and irq settings).
>
> Steve,
> It will be great if you can apply the attached in your system and send
> your findings.
Sorry, I got side tracked. I'll try and test this today and report back.
Steve.
