Re: [fedora-arm] Banana Pi-R1 - kernel 5.6.0 and later broken - b43 DSA

[Florian Fainelli <f.fainelli@gmail.com>]

On 6/26/2020 2:09 AM, Peter Robinson wrote:
> On Fri, Jun 26, 2020 at 5:42 AM Florian Fainelli <f.fainelli@gmail.com> wrote:
>>
>>
>>
>> On 6/25/2020 4:23 PM, Peter Robinson wrote:
>>>> I'm having troubles with the Banana Pi-R1 router with newer kernels. No
>>>> config changes, config works well since a lot of lernel updates ...
>>>> Banana Pi-R1 is configured via systemd-networkd and uses the DSA
>>>> (Distributed Switch Architecture) with b53 switch. No visible difference
>>>> in interfaces, vlan config, bridge config, etc. Looks like actual
>>>> configuration in the switch in the hardware is broken.
>>>>
>>>> # OK: Last good known version (booting that version is also ok)
>>>> Linux bpi 5.5.18-200.fc31.armv7hl #1 SMP Fri Apr 17 17:25:00 UTC 2020
>>>> armv7l armv7l armv7l GNU/Linux
>>>>
>>>> # NOK: no network
>>>> Linux bpi 5.6.8-200.fc31.armv7hl #1 SMP Wed Apr 29 19:05:06 UTC 2020
>>>> armv7l armv7l armv7l GNU/Linux
>>>>
>>>> # NOK: no network
>>>> Linux bpi 5.6.0-300.fc32.armv7hl #1 SMP Mon Mar 30 16:37:50 UTC 2020
>>>> armv7l armv7l armv7l GNU/Linux
>>>>
>>>> # NOK: no network
>>>> Linux bpi 5.6.19-200.fc31.armv7hl #1 SMP Wed Jun 17 17:10:22 UTC 2020
>>>> armv7l armv7l armv7l GNU/Linux
>>>>
>>>> # NOK: no network
>>>> Linux bpi 5.7.4-200.fc32.armv7hl #1 SMP Fri Jun 19 00:52:22 UTC 2020
>>>> armv7l armv7l armv7l GNU/Linux
>>>>
>>>>
>>>> Saw that there were a lot of changes in the near past in the b53 driver:
>>>>
>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/net/dsa/b53?h=v5.8-rc1+
>>>
>>> So from your notes above it looks like something regressed between the
>>> 5.5.x series and the 5.6.0 release? If so I'm not sure what the
>>> context of the changed in 5.8 are here. If there's more changes to the
>>> driver in 5.8 dev cycle have you tried one of the Fedora rawhide 5.8
>>> rc1 or rc2 kernel builds to see if that resolves it?
>>
>> See my response to Gerhard, there are changes expected to how the
>> network configuration should be done after:
> 
> It appears your response was off list, and he had follow up questions
> and I don't see a response from you.

Off which list? My response copied all the To and CC list from the
original email:

https://lore.kernel.org/lkml/002b144c-3e71-4418-3a6b-ee17c2ce6b38@gmail.com/raw

(except Maxime's old email which now bounces).

and I have not seen a response for that email.
-- 
Florian