On Wed, 2 Feb 2005, David Kirk wrote:

> The model number is: PAEPR090; but unloading ehci-hcd driver or even
> unloading the ASIX driver would be fine with me, considering I don't use the
> network connector anyway.
> 
> Now, the problem is when I unload driver module with either of the following
> commands:
> 
>       modprobe -r ehci-hcd
>       rmmod ehci-hcd
> 
> the curser in the terminal window goes into a continual downward scroll as
> if a program was constantly printing new lines to the command prompt. The
> rest of the system becomes frozen, and I have to reboot via computer reset
> button.
> 
> Is there any way to prevent the module from being loaded in the first place,
> without recompiling the kernel?

Sure.  Just delete or rename the module file itself:

        /lib/modules/`uname -r`/kernel/drivers/usb/host/ehci-hcd.ko

If it's not there, it can't get loaded!  Alternatively, you could add a 
line saying:

        install ehci-hcd /bin/true

to /etc/modprobe.conf, which would cause modprobe to avoid installing the 
ehci-hcd module.

Alan Stern



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