Mouse not responding via USB to PS/2 adapter

Problem

Sometimes, when booting up, my optical mouse isn't working on the PS/2 connector. I have to remove the USB to PS/2 connecter and plug the mouse in an USB port to get it working. Sometimes though, the optical mouse is recognized all right on the PS/2 port?

• Optical mouse Trust 450L
• ASUS A7N8X-X motherboard
• SuSE 9.3 Linux

Solution

Replacing the Trust 450L optical mouse with another mouse seems to have fixed the problem. However the Trust 450L operates fine on a Windows machine, so it seems like the kernel's hardware detection doesn't like the Trust mouse, sometimes?

Road

When the mouse is working, this is what's inside dmesg:

pnp: PnP ACPI: found 16 devices
PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:PS2M] at 0x60,0x64 irq 1,12
input: ImExPS/2 Generic Explorer Mouse on isa0060/serio1

When the mouse is not working, this is what's inside dmesg:

pnp: PnP ACPI: found 15 devices
PNP: PS/2 controller doesn't have AUX irq; using default 0xc
PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 112

• (20050808) My motherboard ASUS A7N8X-X is at revision 1006. Maybe I should try updating it to revision 1010?
• (20050808) The Trust 450L mouse is renamed to Optical Combi Mouse MI-2450E
• (20050810) Changed mouse to Microsoft optical mouse. Let's see if problem persists.

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