kern/122373: unable to recieve on em 82542 w/o promisc

[Mark Atkinson]

>Number:         122373
>Category:       kern
>Synopsis:       unable to recieve on em 82542 w/o promisc
>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 Apr 02 15:30:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Mark Atkinson
>Release:        FreeBSD 8.0-CURRENT i386
>Organization:
F5 Networks
>Environment:
System: FreeBSD moby 8.0-CURRENT FreeBSD 8.0-CURRENT #11: Tue Jan 22 10:31:54 PST 2008 root at moby:/usr/obj/usr/src/sys/MOBY i386


$ pciconf -v -l | grep -A4 em[0-1]
em0 at pci0:18:4:0:        class=0x020000 card=0x10008086 chip=0x10008086 rev=0x03 hdr=0x00
	vendor     = 'Intel Corporation'
	device     = '82542 Gigabit Ethernet Controller'
	class      = network
	subclass   = ethernet
em1 at pci0:18:9:0:        class=0x020000 card=0x10008086 chip=0x10008086 rev=0x03 hdr=0x00
	vendor     = 'Intel Corporation'
	device     = '82542 Gigabit Ethernet Controller'
	class      = network
	subclass   = ethernet

>Description:
	82542 devices will not recieve any traffic without promisc enabled on the interface.

>How-To-Repeat:
$ ping -c 1 172.16.17.1
PING 172.16.17.1 (172.16.17.1): 56 data bytes

--- 172.16.17.1 ping statistics ---
1 packets transmitted, 0 packets received, 100.0% packet loss
$ ifconfig internal promisc
$ ping -c 1 172.16.17.1
PING 172.16.17.1 (172.16.17.1): 56 data bytes
64 bytes from 172.16.17.1: icmp_seq=0 ttl=64 time=0.237 ms

--- 172.16.17.1 ping statistics ---
1 packets transmitted, 1 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 0.237/0.237/0.237/0.000 ms


>Fix:

From: "Jack Vogel" <jfvogel at gmail.com>
Newsgroups: gmane.os.freebsd.current
Date: Tue, 11 Mar 2008 14:52:44 -0800
Archived-At: http://permalink.gmane.org/gmane.os.freebsd.current/102843

			I have found the problem, it is a shared code bug, I am just waiting
			now to let the shared code engineer make a formal code change and
			then I will integrate it into HEAD.

			If you or anyone else is in urgent need email me and I can tell you
			have to fix it temporarily.

			Jack

>Release-Note:
>Audit-Trail:
>Unformatted: