Re: [DPDK/bnxt] Issues starting bnxt on an Arm server

[Thierry Herbelot <thierry.herbelot@6wind.com>]

Hello,

After upgrading the firmware on the bnxt NIC, the NIC is correctly 
detected by a DPDK application with both DPDK-v20.11 and DPDK-v21.11.

	Regards

	Thierry

On 3/4/22 01:56, Honnappa Nagarahalli wrote:
> + Ruifeng
> 
> <snip>
> 
>>
>> On Wed, Mar 2, 2022 at 9:28 AM Thierry Herbelot
>> <thierry.herbelot@6wind.com> wrote:
>>>
>>> On 3/2/22 18:26, Ajit Khaparde wrote:
>>>> On Wed, Mar 2, 2022 at 9:16 AM Thierry Herbelot
>>>> <thierry.herbelot@6wind.com> wrote:
>>>>>
>>>>> Hello Ajit
>>>>>
>>>>> The card is not correctly probed by the kernel, and so the FW version is
>>>>> not visible.
>>>> Thanks Thierry.
>>>> I thought it was just the PMD running into trouble.
>>>>
>>>> Can you give details of the ARM server?
>>>> Make, Vendor, etc..?
>>>
>>> This a Huawei server:
>>> TaiShan 200 Server (Model 2180) aarch64, 48 cores, 2.6GHz, 64GB RAM
>>
>> Ok. I tried this on a HUAWEI Kunpeng 920 running 4.18.0-
>> 348.2.1.el8_5.aarch64.
>> I can load the bnxt_en kernel driver and the DPDK PMD without issues.
>> And I did load vfio with enable_unsafe_noiommu_mode=1 .
>>
>> While we are pursuing this further internally,
>> I have added Honnappa to see if he can provide any insight.
> There is not much information on the error.
> Just wondering if it is possible to move the card to x86 machine and check the firmware version and upgrade the firmware version there.
> 
>>
>> Ajit
>>
>>>
>>>          Thierry
>>>
>>>>
>>>>
>>>>>
>>>>> I see this in the kernel dmesg:
>>>>> bnxt_en 0000:03:00.0 (unnamed net_device) (uninitialized): Error
>>>>> (timeout: 500015) msg {0x0 0x0} len:0
>>>>> bnxt_en 0000:03:00.0 (unnamed net_device) (uninitialized): Firmware not
>>>>> responding, status: 0x8ffff
>>>>>
>>>>> And then there are no bnxt_en netdevices.
>>>>>
>>>>>           Best regards
>>>>>
>>>>>           Thierry
>>>>>
>>>>>
>>>>> On 3/2/22 18:13, Ajit Khaparde wrote:
>>>>>> On Wed, Mar 2, 2022 at 7:13 AM Thierry Herbelot
>>>>>> <thierry.herbelot@6wind.com> wrote:
>>>>>>>
>>>>>>> Hello Ajit
>>>>>>>
>>>>>>> Thanks for the quick response.
>>>>>>>
>>>>>>> Please keep me posted when you check on your side.
>>>>>> Can you tell what is the firmware version on the card?
>>>>>>
>>>>>>>
>>>>>>>            Best regards
>>>>>>>
>>>>>>>            Thierry
>>>>>>>
>>>>>>> On 3/2/22 16:08, Ajit Khaparde wrote:
>>>>>>>>>
>>>>>>>>> Is this a know issue ?
>>>>>>>> No.
>>>>>>>> We have tried the Broadcom PMD on ARM server(s) and have been
>>>>>>>> able to use it without any issues.
>>>>>>>> But we can try it again and get back to you.
>>>>>>>>
>>>>>>>>
>>>>>>>>>
>>>>>>>>>             Thanks
>>>>>>>>>
>>>>>>>>>             Thierry Herbelot
>>>>>>>>>
>>>>>>>>> PS: a similar error is seen for the Ethernet ports, when handled by the
>>>>>>>>> kernel:
>>>>>>>>> dmesg|grep bnxt
>>>>>>>>> [   57.823746] bnxt_en 0000:03:00.0 (unnamed net_device)
>>>>>>>>> (uninitialized): Error (timeout: 500015) msg {0x0 0x0} len:0
>>>>>>>>> [   59.202255] bnxt_en: probe of 0000:03:00.0 failed with error -16
>>>>>>>>> [   60.641519] bnxt_en 0000:03:00.1 (unnamed net_device)
>>>>>>>>> (uninitialized): Error (timeout: 500015) msg {0x0 0x0} len:0
>>>>>>>>> [   61.502237] bnxt_en: probe of 0000:03:00.1 failed with error -16
>>>>>>>>>
>>>>>>>>>
-- 
Thierry Herbelot
Senior Software Engineer
Tel: +33 1 39 30 92 61
http://www.6wind.com/

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