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Date: Thu, 16 Mar 2000 11:16:24 -0800 (PST)
From: matt@thebiz.net
Sender: nobody@FreeBSD.org
To: freebsd-gnats-submit@FreeBSD.org
Subject: No link/activity lights Alpha ethernet cards (dc0/dc1)
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>Number:         17411
>Category:       alpha
>Synopsis:       No link/activity lights Alpha ethernet cards (dc0/dc1)
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-alpha
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Mar 16 11:20:01 PST 2000
>Closed-Date:    Sun Nov 11 02:11:47 PST 2001
>Last-Modified:  Sun Nov 11 02:12:35 PST 2001
>Originator:     Matthew Zahorik
>Release:        4.0-RELEASE
>Organization:
BiznessOnline.com
>Environment:
FreeBSD basealpha.thebiz.net 4.0-CURRENT FreeBSD 4.0-CURRENT #0: Thu Mar 16 12:24:56 EST 2000     maz@basealpha.thebiz.net:/usr/src/sys/compile/MZ-DS10  alpha
>Description:
The box bootp's off a master FreeBSD NFS server.  When the Alpha box first starts, link and activity lights work.  The box bootp's, starts netboot, then loads the kernel.

As soon as the kernel starts, the link and activity lights dissapear.  The dc driver detects the dual onboard 21143 based 10/100 Ethernet:

dc0: <Intel 21143 10/100BaseTX> port 0x1100-0x117f mem 0x20c2000-0x20c23ff irq 29 at device 9.0 on pci0
dc0: interrupting at TSUNAMI irq 29
dc0: Ethernet address: 08:00:2b:86:28:54
miibus0: <MII bus> on dc0
dcphy0: <Intel 21143 NWAY media interface> on miibus0
dcphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto

The link lights never come back on, nor any activity lights.  We have stacks of these boxes, and link lights are necessary for first level debugging. (bad cabling, etc)

This is not exclusive to a box booted via. bootp.  A box started via. local disk also exhibits this problem.
>How-To-Repeat:
Boot the kernel.
>Fix:
No known cure.

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: wilko 
State-Changed-When: Sun Nov 11 02:11:47 PST 2001 
State-Changed-Why:  

No feedback from submitter 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=17411 
>Unformatted:

Matthew,

I'm pretty sure Bill Paul has done quite some work on the dc driver
since March 2000. Also in the area the LEDs if I'm not completely offtrack.
Could you please check if 4.2R still exhibits the problem on your boards and 
report back?

Wilko
wilko@freebsd.org

