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Date:      Thu, 25 May 2017 17:36:25 +0200
From:      Harry Schmalzbauer <freebsd@omnilan.de>
To:        Vincenzo Maffione <v.maffione@gmail.com>
Cc:        freebsd-net <freebsd-net@freebsd.org>
Subject:   Re: [panic] netmap(4) and if_lagg(4)
Message-ID:  <5926F9F9.4040706@omnilan.de>
In-Reply-To: <CA%2B_eA9gcMD1QyG35p5UY8kz6n1kF%2B56Arz3q1T8HVBfMv3XN0w@mail.gmail.com>
References:  <58CBCD7A.8060301@omnilan.de> <CA%2B_eA9iCT7evWUcZMA_ViKfrZnSHp3OpBTS5c4iJ9=ZjO-Pfgw@mail.gmail.com> <58CC23F5.7060507@omnilan.de> <CA%2B_eA9iajZOUFsnWKdodN7zMvst8wn0xViM4xxEx%2B41jw_0B3g@mail.gmail.com> <58CFA394.8070901@omnilan.de> <CA%2B_eA9jf_VjcYUZynu5CXx-ps5z7PSxOky=QLpR-miqtxmMU5w@mail.gmail.com> <5926EE96.1010000@omnilan.de> <CA%2B_eA9gcMD1QyG35p5UY8kz6n1kF%2B56Arz3q1T8HVBfMv3XN0w@mail.gmail.com>

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Bezüglich Vincenzo Maffione's Nachricht vom 25.05.2017 17:31 (localtime):
> Hi,
>   This is a (silly) bug that is not present anymore in the upstream code
> https://github.com/luigirizzo/netmap/blob/master/sys/dev/netmap/netmap_freebsd.c#L410-L417
> that is txq and rxq for generic adapter cannot be 0.
> 
> So I would say the problem is outdated code in the FreeBSD version you are
> using. Which version you are using exactly? Maybe we can try to push a fix.

Thanks for the quick reply!
This panic was with r318629 (stable/11 = FreeBSD 11.1-PRERELEASE)

You mentioned "generic adapter": Does this mean native-netmap support
get's lost when if_lagg(4) is in game after if_igb(4)?

Thanks,

-harry





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