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List:       freebsd-amd64
Subject:    amd64/149532: igb/ixgb controllers panic on FreeBSD 8.1-RELEASE
From:       Mike Carlson <carlson39 () llnl ! gov>
Date:       2010-08-11 16:48:17
Message-ID: 201008111648.o7BGmHjq068116 () www ! freebsd ! org
[Download RAW message or body]


> Number:         149532
> Category:       amd64
> Synopsis:       igb/ixgb controllers panic on FreeBSD 8.1-RELEASE
> Confidential:   no
> Severity:       critical
> Priority:       high
> Responsible:    freebsd-amd64
> State:          open
> Quarter:        
> Keywords:       
> Date-Required:
> Class:          sw-bug
> Submitter-Id:   current-users
> Arrival-Date:   Wed Aug 11 16:50:01 UTC 2010
> Closed-Date:
> Last-Modified:
> Originator:     Mike Carlson
> Release:        8.1-RELEASE
> Organization:
Lawrence Livermore National Lab
> Environment:
paper: uname -a
FreeBSD paper.llnl.gov 8.1-RELEASE FreeBSD 8.1-RELEASE #1: Tue Aug 10 15:26:51 PDT \
2010     root@paper:/usr/obj/usr/src/sys/GENERIC  amd64


> Description:
I have a Dell R710 with a 4 Port Intel 1000 ethernet controller using the igb driver:

# pciconf -lv
igb0@pci0:7:0:0:	class=0x020000 card=0xa02c8086 chip=0x10e88086 rev=0x01 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Unknown (Unknown)'
    class      = network
    subclass   = ethernet
igb1@pci0:7:0:1:	class=0x020000 card=0xa02c8086 chip=0x10e88086 rev=0x01 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Unknown (Unknown)'
    class      = network
    subclass   = ethernet
igb2@pci0:8:0:0:	class=0x020000 card=0xa02c8086 chip=0x10e88086 rev=0x01 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Unknown (Unknown)'
    class      = network
    subclass   = ethernet
igb3@pci0:8:0:1:	class=0x020000 card=0xa02c8086 chip=0x10e88086 rev=0x01 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Unknown (Unknown)'
    class      = network
    subclass   = ethernet

# sysctl -a|grep igb0
dev.igb.0.%desc: Intel(R) PRO/1000 Network Connection version - 1.9.5
dev.igb.0.%driver: igb
dev.igb.0.%location: slot=0 function=0
dev.igb.0.%pnpinfo: vendor=0x8086 device=0x10e8 subvendor=0x8086 subdevice=0xa02c \
class=0x020000 dev.igb.0.%parent: pci7
dev.igb.0.debug: -1
dev.igb.0.stats: -1
dev.igb.0.flow_control: 3
dev.igb.0.enable_aim: 1
dev.igb.0.rx_processing_limit: 100

I also have an Intel 10Gb controller (ix0) using the ixgb driver:

ix0@pci0:6:0:0:	class=0x020000 card=0xa06f8086 chip=0x10f48086 rev=0x01 hdr=0x00
    vendor     = 'Intel Corporation'
    class      = network
    subclass   = ethernet

As soon as I upgraded (using freebsd-update upgrade -r 8.1-RELEASE), and booted into \
the new kernel, the system panics after the network startup script runs. If the nic's \
are not assigned an ip address and left un-configured, no panic occurs.

I don't have a camera, or a serial console to capture the panic, however, it looks \
strikingly similar to this users post: \
http://lists.freebsd.org/pipermail/freebsd-current/2009-November/013222.html
> How-To-Repeat:
on a 8.1-RELEASE amd64 system with a intel (igb/ixgb) device:

ifconfig igb0 inet 192.168.2.1 netmask 255.255.255.0


> Fix:


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