kern/158156: bce driver shows "no carrier" on IBM blade (HS22 with
BCM5709)
Jason Chang
jsc at ntu.edu.tw
Wed Jun 22 07:50:11 UTC 2011
>Number: 158156
>Category: kern
>Synopsis: bce driver shows "no carrier" on IBM blade (HS22 with BCM5709)
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Jun 22 07:50:10 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator: Jason Chang
>Release: 8.2-STABLE
>Organization:
National Taiwan University
>Environment:
FreeBSD 8.2-STABLE Jun 20 amd64
>Description:
My server is an IBM blade system. The model of server is HS22, network device relate info:
bce0: <Broadcom NetXtreme II BCM5709 1000Base-SX (C0)> mem 0xfa000000-0xfbffffff irq 30 at device 0.0 on pci16
miibus0: <MII bus> on bce0
brgphy0: <BCM5709S 1000/2500baseSX PHY> PHY 2 on miibus0
brgphy0: 1000baseSX-FDX, auto
The network switch is built-in in blade and model is BNT Layer 2-7 GbE Switch. In fact, it is a nortel alteon Layer 7 switch.
After making world/kernel to the latest 8.2-STABLE source, the network device no longer works. Command ifconfig always shows "no carrier".
>How-To-Repeat:
Update kernel source to 2011/05/22 and after.
/stable/8/sys/dev/mii/mii_physubr.c
(Revision 222159)
>Fix:
revert
/stable/8/sys/dev/mii/mii_physubr.c
from Revision 222159 to Revision 217674
>Release-Note:
>Audit-Trail:
>Unformatted:
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