Kernel crash on 2.0.3 when assigning interface to WIFI NIC clone

  • Hello everyone

    I am suffering from a kernel crash here. I am running the latest stable release of pfSense on an ALIX board. I was trying to clone my WLAN interface to create a "WLAN DMZ". But when I then create a new interface within the "Interface assignments" tab and assign it to ath0_wlan1 the crash and reboot occurs. I have submitted the crash report via GUI.

    Am I doing anything wrong here?  ??? Any help?

    Wireless clone configuration:

    Parent interface: ath0 (00:0b:6b:db:1f:f1)
    Mode: Access Point
    Description: WLAN DMZ

    [2.0.3-RELEASE][root@fw.mydomain.tld]/(21): dmesg | grep ath

    ath0: <atheros 5212="">mem 0xe00c0000-0xe00cffff irq 9 at device 12.0 on pci0
    ath0: [ITHREAD]
    ath0: AR5212 mac 5.9 RF5112 phy 4.3</atheros> 

    [2.0.3-RELEASE][root@fw.mydomain.tld]/(15): pciconf -l | grep ath0

    ath0@pci0:0:12:0:       class=0x020000 card=0x1012185f chip=0x0013168c rev=0x01 hdr=0x00

    [2.0.3-RELEASE][root@fw.mydomain.tld]/(18): ifconfig

    ath0: flags=8843 <up,broadcast,running,simplex,multicast>metric 0 mtu 2290
            ether 00:0b:6b:db:1f:f1
            media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>status: running
    ath0_wlan0: flags=8843 <up,broadcast,running,simplex,multicast>metric 0 mtu 1500
            ether 00:0b:6b:db:1f:f1
            inet6 fe80::20b:6bff:fedb:1ff1%ath0_wlan0 prefixlen 64 scopeid 0x9
            inet netmask 0xffffff00 broadcast
            nd6 options=43 <performnud,accept_rtadv>media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>status: running
            ssid mySSID channel 9 (2452 MHz 11g) bssid 00:0b:6b:db:1f:f1
            country US ecm authmode WPA2/802.11i privacy MIXED deftxkey 2
            AES-CCM 2:128-bit txpower 21.5 scanvalid 60 pureg protmode OFF burst
            dtimperiod 1 -dfs
    ath0_wlan1: flags=8802 <broadcast,simplex,multicast>metric 0 mtu 1500
            ether 06:0b:6b:db:1f:f1
            media: IEEE 802.11 Wireless Ethernet autoselect <hostap>(autoselect <hostap>)
            status: no carrier
            ssid "" channel 9 (2452 MHz 11g)
            country US ecm authmode OPEN privacy OFF txpower 21.5 scanvalid 60
            protmode OFF wme burst dtimperiod 1 -dfs bintval 0
    Crash report begins.  Anonymous machine information:
    FreeBSD 8.1-RELEASE-p13 #1: Fri Apr 12 10:50:06 EDT 2013
    Crash report details:
    Filename: /var/crash/bounds
    Filename: /var/crash/info.0
    Dump header from device /dev/ad0s1b
      Architecture: i386
      Architecture Version: 2
      Dump Length: 46297088B (44 MB)
      Blocksize: 512
      Dumptime: Tue Jun 11 12:41:07 2013
      Hostname: fw.mydomain.tld
      Magic: FreeBSD Kernel Dump
      Version String: FreeBSD 8.1-RELEASE-p13 #1: Fri Apr 12 10:50:06 EDT 2013
      Panic String: page fault
      Dump Parity: 3570754619
      Bounds: 0
      Dump Status: good

  • Just stumpled over this link from back in 2010:

    Quoting Chris Buechler

    at least one Atheros chipset I have will panic like that with VAP. Driver problem, nothing we can do about it, needs to be replicated on stock FreeBSD and reported upstream.

    So this still seems to be an issue…

  • I would like to create an upstream bug report on How can I access the coredump generated by pfSense?

    This chip should be reported as instable in regards to VAP on the following list.

  • First, try it on 2.1. That may well work fine on FreeBSD 8.3.

    If not, then before reporting anything upstream that will get any attention, it'll have to be tested on FreeBSD HEAD. A ton of wireless-related fixes are there that can't reasonably be back ported. We'll have 2.2 alpha snapshots out on that within a few weeks if you want to wait until then.

  • Thanks for replying. It's not that import for me, so I guess I am going to wait until 2.2 becomes stable, as I don't want to break my rock solid installation

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