On Thu, 23 Mar 2006, Gabor K. Horvath wrote:
> Hello,
>
> I recently bought a Razer Copperhead mouse.
> When I boot the box the mouse is detected, but sometimes X can't use it.
>
> cat /dev/input/(mice|mouse0) is also silent.
>
> If I unplug replug the thing it starts working right away.
>
> On warm boots the mouse always works (as far as I know). On cold boots
> it sometimes works (when I get home from work it never does. If I just
> pover off, then on really soon sometime it does.).
> It's always detected according to the kernel logs.
>
> Linux 2.6.15 (Debian)+nvidia binary driver
> Shuttle SN25P XPC (nforce4)
>
> I tried compiled in drivers and modules. It made no difference.
>
> I appreciate any ideas.
Have you tried doing
rmmod usbhid
modprobe usbhid
when the mouse doesn't respond, instead of unplugging it?
What happens if you leave the mouse unplugged while you boot (for example,
if you unplug the mouse when you get home from work, before turning the
computer on) and then plug it in afterward?
>From your description it sounds like the mouse needs some time to "warm
up" after a cold boot.
Alan Stern
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