Re: [Libusb-devel] USB error: could not get bound driver: No data available

[Tim R. <ti...@pr...>]

Jakov wrote:
>
> Using sniffusb, I generated a USB driver for my device. It worked well 
> at first. But for some unknown reason, it could be conflict, the 
> system down (restart expected) with a dead screen blue (or s/t like 
> that :P) . I reinstalled the driver on Windows, and it's okay. but on 
> Linux, although lsusb can find the device, but the driver.c didn't 
> work any more. Look at this stuff:
> ...
> then the output is:
> usb_os_find_busses: Found 001
> usb_os_find_busses: Found 002
> usb_os_find_devices: Found 004 on 001
> usb_os_find_devices: Found 001 on 001
> error obtaining child information: Inappropriate ioctl for device
> usb_os_find_devices: Found 001 on 002
>
> USB error: could not get bound driver: No data available
> usb_get_driver_np returned -61
>
> ------
>
> Please tell me what is wrong with the driver/device while Linux 
> detects it well. I don't know what code #-61 means too.

61 is ENODATA, or "No data available", just as the error message says.  
It means your device doesn't really have a kernel driver, so there was 
nothing for usb_get_driver_np to do.  What kind of a device is it?

-- 
Tim Roberts, ti...@pr...
Providenza & Boekelheide, Inc.