Re: cvs commit: src/sys/bus/usb usb.c

[Kyle Butt <kylebutt@xxxxxxxxx>]

On Tue, May 27, 2008 at 05:00:47AM -0700, Michael Neumann wrote:
> mneumann    2008/05/27 05:00:47 PDT
> 
> DragonFly src repository
> 
>   Modified files:
>     sys/bus/usb          usb.c 
>   Log:
>   Add a boot loader tunable hw.usb.hack_defer_exploration, which if set
>   to 0 reverts to the old USB behaviour, i.e. USB keyboards should be again
>   usable early at boot. By default, this is set to 1 which will avoid hanging
>   the system on qemu and my HP compaq laptop and maybe others.
>   
>   Note that this is a hack around a shortcoming in the current USB stack and
>   will go away once the shortcoming has been fixed.
>   
>   Revision  Changes    Path
>   1.49      +36 -8     src/sys/bus/usb/usb.c
> 
> 
> http://www.dragonflybsd.org/cvsweb/src/sys/bus/usb/usb.c.diff?r1=1.48&r2=1.49&f=u

This flag if set to 1, prevents my wireless usb keyboard from working at all. I
can investigate further if someone would like.

Kyle