Article 6KZDF Xorg - why is a 2nd mouse added even though autoadddevices is off?

Xorg - why is a 2nd mouse added even though autoadddevices is off?

by
jschlinker
from LinuxQuestions.org on (#6KZDF)
Hi,

I have two PCs which run OpenSuse 3.0.101 with X-Org Server 1.6.5
I have statically configured one mouse (/dev/input/mouse0) in xorg.conf
I have the identically xorg-conf on a 2nd PC.
THe only difference between the two PCs I could find is that the one runs a different patch-level:
PC1 3.0.101-0.47.71.1
PC2 3.0.101-0.47.106.59.1

On PC1 the X-server only uses the /dev/input/mouse0.
On PC2 the X-server uses a 2nd mouse that I attached/hotplugged after boot.
If I run xinput list on both PCs
PC1 only lists the default devices (CorePointer+TestPointer) while PC2 lists everything I attach via USB.

How is this possible?
I looked through Xorg.0.log to verify that autoadddevices is off which it is.
I also looked through udev-rules and the xorg.conf
I have very limited access to the system and need to find the answer without going back to the system to gather more data.

Anybody here that has an idea how this is possible?
Am I missing a configuration option? Or a way that X-Server is using the input devices other than xorg.conf?
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