Re: Weird wireless phantom device

[Rick Jones <rick activeservice co uk>]

--On Thursday, October 01, 2009 14:13:14 -0700 Dan Williams <dcbw redhat com> wrote:

> 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?

0.7.1

> 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).

There's nothing in lshal referring to wlan0, but the entries that correspond to the duplicates in DBus are below. I do have VirtualBox, but this happens at boot before I start any VBox sessions (although there is a VBox kernel module, I don't know if this is screwing up).

Rick

udi = '/org/freedesktop/Hal/devices/pci_1814_781_0'
  info.linux.driver = 'rt2860'  (string)
  info.parent = '/org/freedesktop/Hal/devices/pci_8086_27d6'  (string)
  info.product = 'RT2860'  (string)
  info.subsystem = 'pci'  (string)
  info.udi = '/org/freedesktop/Hal/devices/pci_1814_781_0'  (string)
  info.vendor = 'RaLink'  (string)
  linux.hotplug_type = 2  (0x2)  (int)
  linux.subsystem = 'pci'  (string)
  linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1c.3/0000:01:00.0'  (string)
  pci.device_class = 2  (0x2)  (int)
  pci.device_protocol = 0  (0x0)  (int)
  pci.device_subclass = 128  (0x80)  (int)
  pci.linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1c.3/0000:01:00.0'  (string)
  pci.product = 'RT2860'  (string)
  pci.product_id = 1921  (0x781)  (int)
  pci.subsys_product_id = 10128  (0x2790)  (int)
  pci.subsys_vendor = 'RaLink'  (string)
  pci.subsys_vendor_id = 6164  (0x1814)  (int)
  pci.vendor = 'RaLink'  (string)
  pci.vendor_id = 6164  (0x1814)  (int)

udi = '/org/freedesktop/Hal/devices/net_pci_1814_781_0'
  info.capabilities = {'net', 'net.80211'} (string list)
  info.category = 'net.80211'  (string)
  info.parent = '/org/freedesktop/Hal/devices/pci_1814_781_0'  (string)
  info.product = 'WLAN Interface'  (string)
  info.subsystem = 'net'  (string)
  info.udi = '/org/freedesktop/Hal/devices/net_pci_1814_781_0'  (string)
  linux.hotplug_type = 2  (0x2)  (int)
  linux.subsystem = 'net'  (string)
  linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1c.3/0000:01:00.0/net/ra0'  (string)
  net.80211.mac_address = 0  (0x0)  (uint64)
  net.address = '00:00:00:00:00:00'  (string)
  net.arp_proto_hw_id = 1  (0x1)  (int)
  net.interface = 'ra0'  (string)
  net.linux.ifindex = 9  (0x9)  (int)
  net.originating_device = '/org/freedesktop/Hal/devices/pci_1814_781_0'  (string)

udi = '/org/freedesktop/Hal/devices/pci_1814_781'
  info.linux.driver = 'rt2860'  (string)
  info.parent = '/org/freedesktop/Hal/devices/pci_8086_27d6'  (string)
  info.product = 'RT2860'  (string)
  info.subsystem = 'pci'  (string)
  info.udi = '/org/freedesktop/Hal/devices/pci_1814_781'  (string)
  info.vendor = 'RaLink'  (string)
  linux.hotplug_type = 2  (0x2)  (int)
  linux.subsystem = 'pci'  (string)
  linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1c.3/0000:01:00.0'  (string)
  pci.device_class = 2  (0x2)  (int)
  pci.device_protocol = 0  (0x0)  (int)
  pci.device_subclass = 128  (0x80)  (int)
  pci.linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1c.3/0000:01:00.0'  (string)
  pci.product = 'RT2860'  (string)
  pci.product_id = 1921  (0x781)  (int)
  pci.subsys_product_id = 10128  (0x2790)  (int)
  pci.subsys_vendor = 'RaLink'  (string)
  pci.subsys_vendor_id = 6164  (0x1814)  (int)
  pci.vendor = 'RaLink'  (string)
  pci.vendor_id = 6164  (0x1814)  (int)

udi = '/org/freedesktop/Hal/devices/net_pci_1814_781'
  info.capabilities = {'net', 'net.80211'} (string list)
  info.category = 'net.80211'  (string)
  info.parent = '/org/freedesktop/Hal/devices/pci_1814_781'  (string)
  info.product = 'WLAN Interface'  (string)
  info.subsystem = 'net'  (string)
  info.udi = '/org/freedesktop/Hal/devices/net_pci_1814_781'  (string)
  linux.hotplug_type = 2  (0x2)  (int)
  linux.subsystem = 'net'  (string)
  linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1c.3/0000:01:00.0/net/ra0'  (string)
  net.80211.mac_address = 0  (0x0)  (uint64)
  net.address = '00:00:00:00:00:00'  (string)
  net.arp_proto_hw_id = 1  (0x1)  (int)
  net.interface = 'ra0'  (string)
  net.linux.ifindex = 4  (0x4)  (int)
  net.originating_device = '/org/freedesktop/Hal/devices/pci_1814_781'  (string)

> > 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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> 
>