I'm using linux kernel 2.6.4-rc1. (I don't see this bug with 2.4.x.)

The problem:  when uhci-hcd support is compiled as a module *and*
my USB Zip drive is plugged in during boot, my PS2 mouse stops
working -- I have no cursor movement at all in X.

If all USB support is compiled into the kernel OR if the USB Zip
drive is unplugged during boot then everything works normally.

Yes, this is too bizarre to be real.  What does the PS2 mouse have
to do with the USB system?  I'm hoping someone can at least ask me
some appropriate questions which may shed some light on this bug.

ASUS A7V8X mobo:
00:10.0 USB Controller: VIA Technologies, Inc. VT6202 [USB 2.0 controller] (rev 80)
00:10.1 USB Controller: VIA Technologies, Inc. VT6202 [USB 2.0 controller] (rev 80)
00:10.2 USB Controller: VIA Technologies, Inc. VT6202 [USB 2.0 controller] (rev 80)
00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82)
mice: PS/2 mouse device common for all mice
input: PS/2 Generic Mouse on isa0060/serio1

I've toggled these with no effect whatever: ACPI, PnP, devfs vs. udev.

I have no idea how to go about debugging this problem.  I would be happy
to supply any additional info you may need -- just let me know.

Thanks for any suggestions!



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