netdev - Re: [PATCHv2] gianfar: fix jumbo packets+napi+rx overrun crash

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Date:   Sun, 07 Mar 2021 21:43:45 +0100
From:   michael-dev <michael-dev@...i-braun.de>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     claudiu.manoil@....com, netdev@...r.kernel.org
Subject: Re: [PATCHv2] gianfar: fix jumbo packets+napi+rx overrun crash

Am 04.03.2021 21:17, schrieb Vladimir Oltean:
> Just for my understanding, do you have a reproducer for the issue?
> I notice you haven't answered Claudiu's questions posted on v1.
> On LS1021A I cannot trigger this apparent hardware issue even if I 
> force
> RX overruns (by reducing the ring size). Judging from the "NIP" 
> register
> from your stack trace, this is a PowerPC device, which one is it?

This is on P1020WLAN (AP) devices and it happens reproducably when I use 
ipsec + iperf3 --udp -b 1000M on some other server targetting the AP.
Yes this is PPC.

Regards,
Michael