Apparently the issue is due to the fact that that certain newer thinkpads, such as many of the R61s, use ALPS dual pointing devices instead of Synaptics ones. See http://www.thinkwiki.org/wiki/UltraNav.
See also upstream bug report http://bugzilla.kernel.org/show_bug.cgi?id=8864.
Apparently the issue is due to the fact that that certain newer thinkpads, such as many of the R61s, use ALPS dual pointing devices instead of Synaptics ones. See http:// www.thinkwiki. org/wiki/ UltraNav.
See also upstream bug report http:// bugzilla. kernel. org/show_ bug.cgi? id=8864.