Strange bug with mouse wheel scrolling

Rod Butcher rbutcher at
Tue Apr 11 16:40:17 PDT 2006

Alan Coopersmith wrote:
> Matthias Hopf wrote:
>> On Mar 31, 06 00:00:55 -0500, Greg Stark wrote:
>>> I have a bug here but I'm not sure if it's an X bug or a Linux kernel 
>>> bug or
>>> perhaps my mouse having some weird hardware failure, though it's 
>>> never done it
>>> before.
>>> Whenever I scroll (vertically) by quickly spinning the mouse wheel it 
>>> inserts
>>> the occasional horizontal scroll. Checking with xev it does in fact 
>>> send the
>>> occasional "button 7" event:
>> See
>> I didn't have time so far to investigate this further, but your input
>> about your mouse model could help here.
> I've had reports of this as well with Xorg 6.9 on the Solaris kernel, so 
> I'd
> suspect the common code in Xorg over the Linux kernel code.
I've been getting this with Linux kernel 2.6.13 with 6.9. The 
mouse refuses to scroll vertically at all, just sideways.

More information about the xorg mailing list