[ltp] Re: [Long] Problems with Ericsson F3507g

[Robert Tomsick]

On Tue, 2009-12-01 at 18:48 +0100, Bjørn Mork wrote:
> Maciej Piechotka <uzytkownik2@gmail.com> writes:
> 
> > Hello. I have a T500 with GPS/Broadband module. Under Windows it does
> > not appear at all and it is reported no hardware. Under Linux it appears
> > only in dmesg logs (I selected the lines regarding the device. 3-4 does
> > change across boots).
> 
> So, it's first successfully found:
> 
> > [    5.136470] usb 3-4: New USB device found, idVendor=0bdb,
> > idProduct=1900
> > [    5.136477] usb 3-4: New USB device strings: Mfr=1, Product=2,
> > SerialNumber=3
> > [    5.136483] usb 3-4: Product: Ericsson F3507g Mobile Broadband
> > Minicard Composite Device
> 
> and then immediately disconnected:
> 
> > [    7.691917] usb 3-4: USB disconnect, address 2
> 
> Makes me wonder if you have some script or daemon killing it, using the
> thinkpad_acpi rfkill interface.  This will completely power off the
> device, which will look exactly like your log.  Or maybe it's the BIOS
> disabling it, since you see the same under Windows?  But then I don't
> understand why it is first enabled and then disabled. 

I really doubt it's the BIOS's doing.  AFAIK when you disable
BT/WWAN/WLAN via the BIOS the hardware is completely invisible to the
OS.  At least that's how it works on the machines I've got (X40, X61s,
X200).

-Rob