Re: unable to get the debug messages from usb core files

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On Thu, 8 Oct 2009, Madhavi Manchala wrote:

> > Alternatively, you could rmmod usbcore after the system is running and
> > then modprobe the new version.  To do that, you will first have to
> > unload ehci-hcd, uhci-hcd, and ohci-hcd (maybe some other drivers as
> > well) and unmount /proc/bus/usb.
> 
> I guess this is not possible as usbhid is depends on the usbcore
> module. If we unload the usbhid module then we can not unload and load
> the usbcore module as the keyboard and mouse will not work at all. I
> tried this yesterday, but I did not unload and load the usbcore module
> as either keyboard or mouse was not worked at all.
> 
> Is there any way to getridof this issue?

There's no way around the fact that a USB keyboard and mouse won't work 
when usbcore is unloaded.

But who says you have to use a USB keyboard and mouse?  You can log in 
over a network connection to do your work.

Alan Stern

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