Re: Weird stuff with USB and Bluetooth

[Stian Jordet <liste@jordet.nu>]

man, 13.10.2003 kl. 14.06 skrev Marcel Holtmann:
> Hi Greg,
> 
> > > I get these lines in my dmesg at boot-time:
> > > 
> > > usb 1-2: device not accepting address 3, error -110
> > > hci_usb: probe of 1-2:1.1 failed with error -5
> > > hci_usb: probe of 1-2:1.2 failed with error -5
> > > usb 1-2: USB disconnect, address 4
> > > usb 1-2: device not accepting address 5, error -110
> > > hci_usb: probe of 1-2:1.1 failed with error -5
> > > hci_usb: probe of 1-2:1.2 failed with error -5
> > > 
> > > Which often means that the usb-hc can't get an interrupt, I have read.
> > > The "problem" is that I have several usb devices (scanner, printer,
> > > usbserial, hid) and I get no such error with them, only the Bluetooth.
> > > And even weirder, the BT-dongle works just perfect.
> > > 
> > > So my question is; what does this messages means?
> > 
> > You have a broken device, sorry.
> 
> this is not the complete story. Some USB Bluetooth devices are buggy,
> that's right, but in some cases the USB host controller is acting very
> weird. The ACER BT-500 for example shows the same error on all of my
> UHCI based devices (with usb-uhci.o and uhci.o in 2.4), but with a NEC
> USB 2.0 card and usb-ohci.o it works fine every time. But if the device
> is already plugged in and the UHCI host driver is loaded later, the
> device works. Also unloading/reloading of the UHCI host driver helps to
> get this device working.

Thanks for your reply :) This is e 3Com BT-dongle. Anyway, I don't have
to unload/reload the UHCI host driver. The device just works, even with
these errors. I'm quite sure I didn't saw this error earlier (like
2.5.65, or something). I will check that later tonight.

Thanks :)

Best regards,
Stian