Re: usb devices get redetected all the time in 2.6.0-test{7,9}

[Greg KH]

On Wed, Oct 29, 2003 at 08:15:26AM +0100, Soeren Sonnenburg wrote:
> Hi.
> 
> When I attach a camera to a 2.4. based machine hotplug starts up some
> script to download images of that camera and fine thats it.
> 
> In 2.6.0-testX I see kernel messages like:
> 
> hub 2-0:1.0: new USB device on port 1, assigned address 2
> bus usb: add device 2-1
> bound device '2-1' to driver 'usb'
> bus usb: add device 2-1:1.0
> bus usb: remove device 2-1:1.0
> bus usb: add device 2-1:1.0
> bus usb: remove device 2-1:1.0
> bus usb: add device 2-1:1.0
> bus usb: remove device 2-1:1.0
> bus usb: add device 2-1:1.0
> [...]
> 
> and several of these hotplug scripts get started... Is this a wanted
> behaviour and something has to be fixed in userspace or is it a kernel
> bug ?

Does this settle down after a bit, or does the add/remove stuff keep
going on for a while?

Can you enable CONFIG_USB_DEBUG and see if you get any more information
in the kernel debug log as to why this is happening?

thanks,

greg k-h
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