Roberto,
Could you please check out the upstream bug report https://bugzilla.kernel.org/show_bug.cgi?id=20132 and the thread on the tpmdd-devel list http://linux.derkeiler.com/Mailing-Lists/Kernel/2010-11/msg12474.html
The X200's have a similar but not quite same bug as Vaios
Roberto,
Could you please check out the upstream bug report https:/ /bugzilla. kernel. org/show_ bug.cgi? id=20132 and the thread on the tpmdd-devel list http:// linux.derkeiler .com/Mailing- Lists/Kernel/ 2010-11/ msg12474. html
The X200's have a similar but not quite same bug as Vaios