From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: netdev@vger.kernel.org,
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Subject: Re: "TCP: eth0: Driver has suspect GRO implementation, TCP performance may be compromised." message with "ethtool -K eth0 gro off"
Date: Thu, 2 Feb 2017 13:34:27 +0100 [thread overview]
Message-ID: <20170202123427.GA7212@x4> (raw)
In-Reply-To: <1486038733.13103.21.camel@edumazet-glaptop3.roam.corp.google.com>
On 2017.02.02 at 04:32 -0800, Eric Dumazet wrote:
> On Thu, 2017-02-02 at 12:52 +0100, Markus Trippelsdorf wrote:
> > Hi,
> >
> > from time to time I see the following warning in my kernel log:
> >
> > TCP: eth0: Driver has suspect GRO implementation, TCP performance may be compromised.
> >
> > This happens although I run "/usr/sbin/ethtool -K eth0 gro off" in my
> > local boot script.
> > What is the warning trying to tell me?
> >
>
> Please report
>
> ethtool -i eth0
driver: ATL1E
version: 1.0.0.7-NAPI
firmware-version: L1e
expansion-rom-version:
bus-info: 0000:02:00.0
supports-statistics: no
supports-test: no
supports-eeprom-access: no
supports-register-dump: yes
supports-priv-flags: no
--
Markus
next prev parent reply other threads:[~2017-02-02 12:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-02 11:52 "TCP: eth0: Driver has suspect GRO implementation, TCP performance may be compromised." message with "ethtool -K eth0 gro off" Markus Trippelsdorf
2017-02-02 12:32 ` Eric Dumazet
2017-02-02 12:34 ` Markus Trippelsdorf [this message]
2017-02-02 13:31 ` Eric Dumazet
2017-02-02 13:59 ` Eric Dumazet
2017-02-03 11:54 ` Marcelo Ricardo Leitner
2017-02-03 12:06 ` Markus Trippelsdorf
2017-02-03 13:24 ` Eric Dumazet
2017-02-03 13:53 ` Marcelo Ricardo Leitner
2017-02-03 14:16 ` Eric Dumazet
2017-02-03 14:28 ` Marcelo Ricardo Leitner
2017-02-03 14:47 ` Eric Dumazet
2017-02-06 21:12 ` Marcelo Ricardo Leitner
2017-03-10 12:22 ` Markus Trippelsdorf
2017-03-19 12:14 ` Markus Trippelsdorf
2017-03-19 19:20 ` Eric Dumazet
2017-03-20 19:27 ` Marcelo Ricardo Leitner
2017-03-22 13:47 ` Eric Dumazet
2017-03-24 15:56 ` Marcelo Ricardo Leitner
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