Re: Weird wireless phantom device

[Dan Williams <dcbw redhat com>]

On Thu, 2009-10-01 at 16:31 +0100, Rick Jones wrote:
> I'm getting a repeated problem of my WiFi device showing up twice in
> NM. This isn't really an NM problem, but I'm hoping someone here will
> have an idea how to fix it.

NM 0.8?  Or NM 0.7?

For 0.7, run 'lshal' and look for device blocks with 'wlan0' in them.
If you see two, then it's a hal problem (though we've seen cases where
VirtualBox in it's misguided attempts to virtualize /sys completely
screws over HAL).

For 0.8, what do you have in /sys/class/net/ ?

Dan

> The device appears twice in DBus, which is obviously the source of the
> problem, as NM is just listing what it finds. Both entries in DBus are
> identical, and point to the same device (which messes up NM as it
> tries to open and connect on the same device twice).
> 
> The DBus node names are almost identical, the second entry just has an
> extra _0 at the end.
> 
> The output of lspci shows only one device:
> 
> 01:00.0 Network controller: RaLink RT2860
>         Subsystem: RaLink Device 2790
>         Flags: bus master, fast devsel, latency 0, IRQ 19
>         Memory at f8000000 (32-bit, non-prefetchable) [size=64K]
>         Capabilities: [40] Power Management version 3
>         Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+
> Queue=0/5 Enable-
>         Capabilities: [70] Express Endpoint, MSI 00
>         Capabilities: [100] Advanced Error Reporting <?>
>         Kernel driver in use: rt2860
>         Kernel modules: rt2860sta
> 
> Running "lsmod | grep 2860" shows only one user:
> 
> rt2860sta             513240  1 
> 
> Whether one or two devices show up is set from boot, and it seems
> random when I re-boot what I'm going to get.
> 
> Anyone got any ideas?
> 
> TIA Rick 
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