Clone Wireless ath driver?

  • Hi,

    I wanted to clone my Wireless in order to have another access point for guests in my house. When I try to do so the interface gets changed to an internal interface. Where can I look if my wireless card is supported to do this? The card is a Compex WLM54G 200mW 802.11bg card…

    Thanks in advance...

  • Hi there,

    Hope it works for you, I managed to do this with a D-Link DWA-556 (atheros based). One interface is called ath0, and the other one ath0_wlan1

    I then followed the sticky post on bridging wireless with lan and just had to set the mode to "access point" on both devices for it to work. Followed the sticky twice and was up and running!

    Only major issue so far ()with the driver itself was ath_rx_proc: no mbuf! This is fixed by increasing kern.ipc.nmbclusters from 0 to 65536 in /boot/loader.conf (see ).


  • Yeah. My first card is called ath0_wlan0 and if I add an interface OPTX I can actually choose a ath0_wlan1 interface. But upon saving this the at0_wlan1 gets overridden to an internal interface vr2. I cannot even assign my second WLAN interface :(

  • If that's any help, my setup is working with 2.0-BETA4 (amd64) built on Sat Nov 20 08:25:10 UTC 2010.

    Just checked, the parent interface is called ath0, the cloned one is called ath0_wlan1. Hope you get it sorted, might be a bug…


  • I hope so, too…

    I just saw that my box reboots upon assigning and saving the new interface ath0_wlan1 and then jumps back to vr2. Anybody has got the same problem? I am on newest NanoBSD snap...

  • Here is what happens on console if I try to add that interface:

    Fatal trap 12: page fault while in kernel mode
    cpuid = 0; apic id = 00
    fault virtual address  = 0xc38dc008
    fault code              = supervisor read, page not present
    instruction pointer    = 0x20:0xc09f1f6b
    stack pointer          = 0x28:0xe2e24bf4
    frame pointer          = 0x28:0xe2e24c10
    code segment            = base 0x0, limit 0xfffff, type 0x1b
                            = DPL 0, pres 1, def32 1, gran 1
    processor eflags        = interrupt enabled, resume, IOPL = 0
    current process        = 0 (ath0 taskq)
    trap number            = 12
    panic: page fault
    cpuid = 0
    Uptime: 3h42m31s
    Cannot dump. Device not defined or unavailable.
    Automatic reboot in 15 seconds - press a key on the console to abort

  • Is this an open bug? Or how can I add a ticket and where? Is everbody able to open tickets? Thanks…

  • Okay I just opened a ticket for that.

    Please tell me if that is correct or if I have to do anything different when opening a ticket. Thanks…

  • That's a driver issue we can't do anything about, most cards work, at least one specific chipset will just panic. Needs to be reported upstream.

  • Works with snap starting from 12/5 now…

    Could it be that I was right when I said that this seemed to be the same problem as in this,29839.0.html thread? Now the problems there seem to be gone as well...

  • huh, yeah it's possible that triggered the other issue, was panicing in ath but that doesn't necessarily mean anything.

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