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Message-Id: <20121207.125418.1997064815507310315.davem@davemloft.net> Date: Fri, 07 Dec 2012 12:54:18 -0500 (EST) From: David Miller <davem@...emloft.net> To: yuvalmin@...adcom.com Cc: netdev@...r.kernel.org, ariele@...adcom.com, barak@...adcom.com, eilong@...adcom.com Subject: Re: [PATCH net-next 1/1] bnx2x: Prevent link flaps when booting from SAN. From: "Yuval Mintz" <yuvalmin@...adcom.com> Date: Thu, 6 Dec 2012 11:04:03 +0200 > From: Barak Witkowski <barak@...adcom.com> > > It is possible that the driver is configured to operate with a certain > link configuration which differs from the link's configuration during > boot from SAN - this would cause the driver to flap the link. > > Said flap may be missed by specific switches, causing dcbx convergence > to be too long and boot sequence to fail. Convergence is longer because > switch ignores new dcbx packets due to counters mismatch, as only host > side reset the counters due to the link flap. > > This patch causes the driver to ignore user's initial configuration during > boot from SAN, and continues with the existing link configuration. > > Signed-off-by: Barak Witkowski <barak@...adcom.com> > Signed-off-by: Yuval Mintz <yuvalmin@...adcom.com> > Signed-off-by: Eilon Greenstein <eilong@...adcom.com> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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