linux-kernel - Re: BananaPi M2 support

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Date:   Mon, 16 Nov 2020 20:12:38 +0300
From:   Sergey Suloev <ssuloev@...altech.com>
To:     Maxime Ripard <maxime@...no.tech>
Cc:     wens@...e.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: BananaPi M2 support

Hi, Maxime,

it just hangs on that last lines and nothing happens anymore, see 5.18 log.


On 16.11.2020 18:52, Maxime Ripard wrote:
> Hi,
>
> On Sat, Nov 14, 2020 at 08:20:54PM +0300, Sergey Suloev wrote:
>> Hi,
>>
>> I noticed that BananaPi M2 (A31 SoC) does not boot anymore on modern
>> kernels. The problem arises somewhere between 5.7.19 - 5.8.18. I have saved
>> boot logs for both versions https://pastebin.com/DTRZi8R7  and
>> https://pastebin.com/PS2hq07A. Logs have been taken on clean/non-patched
>> kernel with default config, u-boot v2020.10.
>>
>> The kernel versions 5.7.x and below work well (I tried 5.5.19 and 5.6.19).
>> The versions 5.8.18 and above all fail (5.9 and 5.10).
>>
>> Could you look at the problem or provide an advice about further
>> investigation, please ?
> I'm not quite sure what the issue is exactly? How does it fail to boot?
>
> Maxime


Thank you,
Sergey