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Date:      Thu, 22 Nov 2018 18:30:28 +0300
From:      Lev Serebryakov <lev@FreeBSD.org>
To:        freebsd-net <freebsd-net@freebsd.org>, FreeBSD-Current <freebsd-current@freebsd.org>
Subject:   =?UTF-8?Q?netmap_on_cxgb_=28Chelsio_T3=29_=e2=80=94_panic_on_transm?= =?UTF-8?Q?it?=
Message-ID:  <5516ddb1-abfa-1c76-2adc-232fec253c41@FreeBSD.org>

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From: Lev Serebryakov <lev@FreeBSD.org>
Reply-To: lev@FreeBSD.org
To: freebsd-net <freebsd-net@freebsd.org>,
 FreeBSD-Current <freebsd-current@freebsd.org>
Message-ID: <5516ddb1-abfa-1c76-2adc-232fec253c41@FreeBSD.org>
Subject: =?UTF-8?Q?netmap_on_cxgb_=28Chelsio_T3=29_=e2=80=94_panic_on_transm?=
 =?UTF-8?Q?it?=

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 I've obtained Chelsio T3 for my "network lab". It works with cxgb
driver well, but when I try to use Netmap's pkt-gen on it it crashes
system immediately with such message:

panic: trying to coalesce 9 packets in to one WR

I've turned all checksums, lro and tso off, but it doesn't help.

Do I have any chances to get netmap supported (maybe, not very
efficient) on this NIC?

--=20
// Lev Serebryakov


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