Date: Sun, 10 Jul 2011 22:09:53 +0000 (UTC) From: Pyun YongHyeon <yongari@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r223916 - stable/7/share/man/man4 Message-ID: <201107102209.p6AM9sqQ063528@svn.freebsd.org>
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Author: yongari Date: Sun Jul 10 22:09:53 2011 New Revision: 223916 URL: http://svn.freebsd.org/changeset/base/223916 Log: MFC r223683: Document two known hardware errata which requires manual link configuration. Submitted by: Aries Lee (arieslee <> jmicron com) Modified: stable/7/share/man/man4/jme.4 Directory Properties: stable/7/share/man/man4/ (props changed) Modified: stable/7/share/man/man4/jme.4 ============================================================================== --- stable/7/share/man/man4/jme.4 Sun Jul 10 22:09:34 2011 (r223915) +++ stable/7/share/man/man4/jme.4 Sun Jul 10 22:09:53 2011 (r223916) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd December 20, 2010 +.Dd June 29, 2011 .Dt JME 4 .Os .Sh NAME @@ -178,3 +178,17 @@ address once station address is reprogra It is highly recommended not to reprogram station address and it is responsibility of administrator to store original station address into a safe place when station address should be changed. +.Pp +There are two known 1000baseT link establishment issues with JMC25x. +If the full mask revision number of JMC25x controller is less than +or equal to 4 and link partner enabled IEEE 802.3az Energy Efficient +Ethernet feature, the controller would not be able to establish a +1000baseT link. +Also if the length of cable is longer than 120 meters, controller +can not establish a 1000baseT link. +The known workaround for the issue is to force manual link +configuration with 100baseTX instead of relying on auto-negotiation. +The full mask revision number of controller could be checked with +verbose kernel boot option. +Use lower nibble of chip revision number to get full mask revision of +the controller.
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