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Date: Sat, 5 Oct 2013 08:38:53 GMT
From: Peter Ankerstl <peter@pean.org>
To: freebsd-gnats-submit@FreeBSD.org
Subject: Kernel panic when creating second wlandev.
X-Send-Pr-Version: www-3.1
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>Number:         182665
>Category:       kern
>Synopsis:       [wlan] Kernel panic when creating second wlandev.
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-net
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Oct 05 08:40:00 UTC 2013
>Closed-Date:    
>Last-Modified:  Wed Oct  9 18:10:02 UTC 2013
>Originator:     Peter Ankerstl
>Release:        FreeBSD 10.0-CURRENT
>Organization:
-
>Environment:
FreeBSD gw.pean.org 10.0-CURRENT FreeBSD 10.0-CURRENT #1: Fri Oct  4 09:19:35 CEST 2013     root@gw.pean.org:/usr/obj/usr/src/sys/SOEKRIS  i386
>Description:
Kernel crashed when I try to create a second wlan device. It happens both when I use a wlandev that is already assigned to another wlanX and when i use another wlandev.

Oct  5 10:23:29 gw kernel: Fatal trap 12: page fault while in kernel mode
Oct  5 10:23:29 gw snmpd[2966]: unknown regdomain (0x809c) 
Oct  5 10:23:29 gw kernel: Oct  5 10:23:29 gw snmpd[2966]: unknown regdomain (0x809c) 
Oct  5 10:23:29 gw snmpd[2966]: unknown regdomain (0x809c) 
Oct  5 10:23:30 gw kernel: wlan1: Ethernet address: b0:48:7a:d5:fe:a2
Oct  5 10:23:30 gw kernel: cpuid = 0; apic id = 00
Oct  5 10:23:30 gw kernel: fault virtual address        = 0x0
Oct  5 10:23:30 gw kernel: fault code           = supervisor read, page not present
Oct  5 10:23:30 gw kernel: instruction pointer  = 0x20:0xc0800110
Oct  5 10:23:30 gw kernel: stack pointer                = 0x28:0xe8d799e0
Oct  5 10:23:30 gw kernel: frame pointer                = 0x28:0xe8d799e8
Oct  5 10:23:30 gw kernel: code segment         = base 0x0, l
>How-To-Repeat:
# ifconfig wlan0 create wlandev ath0
# ifconfig wlan1 create wlandev ath0

OR

# ifconfig wlan0 create wlandev ath0
# ifconfig wlan1 create wlandev ath1
>Fix:


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->freebsd-net 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Sat Oct 5 13:58:53 UTC 2013 
Responsible-Changed-Why:  
Over to maintainer(s). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=182665 

From: =?iso-8859-1?Q?Peter_Ankerst=E5l?= <peter@pean.org>
To: bug-followup@FreeBSD.org,
 peter@pean.org
Cc:  
Subject: Re: kern/182665: [wlan] Kernel panic when creating second wlandev.
Date: Wed, 9 Oct 2013 20:08:09 +0200

 pciconf -lv
 
 ath0@pci0:7:0:0:	class=3D0x028000 card=3D0x3114168c =
 chip=3D0x0030168c rev=3D0x01 hdr=3D0x00
     vendor     =3D 'Atheros Communications Inc.'
     device     =3D 'AR9300 Wireless LAN adaptor'
     class      =3D network
 
 ath1@pci0:13:0:0:	class=3D0x028000 card=3D0x30a1168c =
 chip=3D0x002b168c rev=3D0x01 hdr=3D0x00
     vendor     =3D 'Atheros Communications Inc.'
     device     =3D 'AR9285 Wireless Network Adapter (PCI-Express)'
     class      =3D network=
 
>Unformatted:
