kern/118308: 6.2 on IBM Blade HS20, Nortel Switches, hw.bge.fake_autoneg

Helmut Schneider jumper99 at
Wed Nov 28 05:40:01 PST 2007

>Number:         118308
>Category:       kern
>Synopsis:       6.2 on IBM Blade HS20, Nortel Switches, hw.bge.fake_autoneg
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Nov 28 13:40:00 UTC 2007
>Originator:     Helmut Schneider
>Release:        6.2-RELEASE-p8
FreeBSD BSDHelmut 6.2-RELEASE-p8 FreeBSD 6.2-RELEASE-p8 #0: Wed Oct 10 16:31:56 CEST 2007     root at BSDHelmut:/usr/obj/usr/src/sys/SMP-WITH-QUOTA  i386
IBM ships its HS20 BladeCenters with two different copper switches:

Nortel Networks Layer 2/3 GbE Switch Module
Nortel Networks Layer 2-7 Gigabit Ethernet Switch Module

With the first switch hw.bge.fake_autoneg=1 works fine, with the second switch it doesn't. The link is shown as active but no packets are transmitted.

As we do have two BladeCenters (HS20) I took a machine which works fine and put it in the second BladeCenter to confirm the problem. Any Windows/Debian machines work fine though in both centers.



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