Scroll wheel not working under XOrg 7.0? (SOLVED)

Alexander E. Patrakov alexander at
Fri Jan 6 20:53:36 PST 2006

Simon Geard wrote:
> On Thu, 2006-01-05 at 19:51 +0500, Alexander E. Patrakov wrote:
>>Simon Geard wrote:
>>>    Option      "Protocol" "auto"
>>Bad, should be "ImPS/2" or "ExplorerPS/2".
> Ah, that was the problem - using either of those works fine. Obviously
> the 'auto' in 7.0 behaves differently from 6.8.2...

In fact, I hit this early after switching to 2.6 kernel, when I was 
still using XFree86. So I really never tried any version of Xorg with 
the "auto" protocol.

The thing is that X tries to figure our which protocol the device 
speaks, and the kernel tries to figure out which protocol the 
application expects. Thus, in your case, they agree on the bare 
protocol. In my case, the mouse was jumping randomly until I forced the 

Alexander E. Patrakov
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