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From: Philippe Gerum <rpm@xenomai.org>
To: Sri Subramanian <sridhar.subramanian@gmail.com>
Cc: xenomai@xenomai.org
Subject: Re: Xenomai 4 / oob_sendmsg crashes kernel from tidbits/oob-net-icmp
Date: Thu, 21 Jul 2022 16:21:58 +0200
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Philippe Gerum <rpm@xenomai.org> writes:

> Sri Subramanian <sridhar.subramanian@gmail.com> writes:
>
>> On Wed, Jul 20, 2022 at 10:47 AM Philippe Gerum <rpm@xenomai.org> wrote:
>>>
>>>
>>> Ok. On my end, I'll connect a pi4 with the i.MX6, to add the GENET MAC
>>> module to the picture.
>>>
>>
>> It looks like the GENET MAC driver (or the interface) is the culprit.
>> For some reason, it
>> restricts the packets sent to 10 after every netif down/up toggle.
>>
>
> Weird. I'll trace that.
>

Confirmed, I can observe the exact same behavior with any board pinging
the pi4 here. 10 packets with proper ICMP reply, then the responder goes
south.

-- 
Philippe.