Downgraded to following version...version without the patch from raw keyboard support...problem goes away:
http://ubuntu.interlegis.gov.br/ubuntu/pool/main/r/rdesktop/rdesktop_1.6.0-0ubuntu2_i386.deb http://ubuntu.interlegis.gov.br/ubuntu/pool/main/r/rdesktop/rdesktop_1.6.0-0ubuntu2_amd64.deb
Downgraded to following version...version without the patch from raw keyboard support...problem goes away:
http:// ubuntu. interlegis. gov.br/ ubuntu/ pool/main/ r/rdesktop/ rdesktop_ 1.6.0-0ubuntu2_ i386.deb ubuntu. interlegis. gov.br/ ubuntu/ pool/main/ r/rdesktop/ rdesktop_ 1.6.0-0ubuntu2_ amd64.deb
http://