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From: Florian Weimer <fweimer@bfk.de>
To: David Decotigny <decot@google.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	"David S. Miller" <davem@davemloft.net>,
	Joe Perches <joe@perches.com>,
	Stanislaw Gruszka <sgruszka@redhat.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] net/dl2k: Don't reconfigure link @100Mbps when disabling autoneg @1Gbps
Date: Wed, 11 May 2011 09:47:16 +0000	[thread overview]
Message-ID: <82y62dk1qz.fsf@mid.bfk.de> (raw)
In-Reply-To: <1304986748-15809-3-git-send-email-decot@google.com> (David Decotigny's message of "Mon, 9 May 2011 17:19:08 -0700")

* David Decotigny:

> Tested: module compiling, NOT tested on real hardware.

To my knowledge, dl2k is broken.  Some sort of synchronization
primitives are missing.  Under load, the NIC's notion of ring buffer
status diverges from the host's view. 8-(

-- 
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99

  parent reply	other threads:[~2011-05-11 18:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-10  0:19 [PATCH 0/2] Minor autonegociation changes, testers welcome David Decotigny
2011-05-10  0:19 ` [PATCH 1/2] net/stmmac: don't go through ethtool to start autonegociation David Decotigny
2011-05-10 13:47   ` Giuseppe CAVALLARO
2011-05-13  6:31     ` Giuseppe CAVALLARO
2011-05-10  0:19 ` [PATCH 2/2] net/dl2k: Don't reconfigure link @100Mbps when disabling autoneg @1Gbps David Decotigny
2011-05-10 18:55   ` Ben Hutchings
2011-05-10 22:14     ` David Decotigny
2011-05-11  9:47   ` Florian Weimer [this message]
2011-05-13 15:54     ` dl2k/stmmac patches (was Re: [PATCH 2/2] net/dl2k: Don't reconfigure link @100Mbps when disabling autoneg @1Gbps) David Decotigny

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