Hello.  I'm running a Mandrake-based PowerPC kernel (v 2.4.8) on a Mac 
G3.  The mouse and keyboard are both USB.  I've just compiled a new
kernel, and suddenly my mouse isn't working, though the keyboard works
fine.

Can anyone help me figure this out?  I've tried tracing the problem
but I don't really understand how Linux usb is supposed to work.
There seems to be a lack of good HOWTOs on the subject, but maybe I'm
looking in the wrong places.  Thanks!


Eric deRiel


PS.

For anyone who feels up to the challenge of actually looking under the
hood on this one, here's the background to my problem:

When I first installed the vanilla distribution I had only minor
problems with the USB support, in the form of syslog messages like:

   usbd: usbd v0.1 (c) 1999 by Thomas Sailer
   modprobe: modprobe: Can't locate module usbkbd
   modprobe: modprobe: Can't locate module usbmouse
   modprobe: modprobe: Can't locate module usbkbd
   modprobe: modprobe: Can't locate module usbmouse
   modprobe: modprobe: Can't locate module usbkbd
   modprobe: modprobe: Can't locate module usbmouse
   modprobe: modprobe: Can't locate module usbkbd
   modprobe: modprobe: Can't locate module usbmouse
   modprobe: modprobe: Can't locate module usbkbd
   modprobe: modprobe: Can't locate module usbmouse
   usbd: Starting USB daemon succeeded

and:

   kernel: usb.c: USB disconnect on device <n>
   kernel: hub.c: USB new device connect on bus1/2/1, assigned device number <n+1>
   kernel: input2: USB HID v0.01 Keyboard [Alps Electric?M2452 M2452] on usb1:<n+1>.0

But my mouse and keyboard worked, barring the intermittent keyboard
disconnects, which were annoying but harmless.


Now I've recompiled my kernel, because the distributed kernel is
insufficient for what I need to do with the machine, and although I no
longer experience the keyboard driver disconnects, the mouse is dead.

At system startup I get a new message that I've never gotten before,
instead of the old ones:

   usb: Mouse USB filesystem succeeded
   modprobe: modprobe:
   modprobe: Can't locate module mousedev
   usb: Loading USB mouse failed

The mousedev kernel module was not installed during the kernel build,
and from looking at old logs it seems like it didn't used to be
necessary.  So what modules =do= I need, and in what order, and how do 
I build them into the kernel?

Thanks again for any help.  This problem has pretty much taken the 
workstation down, and while I could reinstall from the original distro
I'll still need to build a new kernel, so I'd like to lick the
problem once and for all.

E

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