Re: 2.5.69-bk1[23] kconfig loop

[Eli Carter]

Adam J. Richter wrote:
>         If I run "make oldconfig" under linux-2.5.69-bk12
> and select "m" for CONFIG_USB_GADGET, I am asked a question
> or two about USB gadget interfaces that I might want, and
> then the build process gets into an infinite loop.  If I set
> CONFIG_USB_GADGET to "n", then everything is fine.
> 
>         I expect there is no input that is supposed to cause
> "make oldconfig" to go into an infinite loop, so this must at
> least be a kconfig bug.  Here is a transcript of the interation
> that leads to the infinite loop:
> 
> 
> Support for USB Gadgets (USB_GADGET) [N/m/y/?] (NEW) m
>   USB Peripheral Controller Support
>     NetChip 2280 USB Peripheral Controller (USB_NET2280) [N/m/?] (NEW) m
>   USB Gadget Drivers
>     Gadget Zero (DEVELOPMENT) (USB_ZERO) [N/m/?] (NEW) m
>     Ethernet Gadget (USB_ETH) [N/m/?] (NEW) m
> [Infinite loop starts here.  The following lines repeat forever,
> non-interactively.  They just go scrolling by.]
> *
> * Restart config...
> *
> *
> * Support for USB Gadgets
> *
> Support for USB Gadgets (USB_GADGET) [M/n/y/?] m
>   USB Peripheral Controller Support
>     NetChip 2280 USB Peripheral Controller (USB_NET2280) [M/n/?] m
>   USB Gadget Drivers
>     Gadget Zero (DEVELOPMENT) (USB_ZERO) [M/n/?] m
> make: *** [oldconfig] Interrupt

I've seen this happen when no options within a 'choice' construct are 
active.  (i.e., they all depend on something that isn't true.)

HTH,

Eli
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