double duplicate keystrokes in opensuse

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http://forums.opensuse.org – I have opensuse 11.2 on my laptop and it was fine until yesterday. I disconnected the USB keyboard, mouse, power, ethernet cable and the extra USB hard drive. Took the laptop to the other room, connected to a different ethernet network. Now I am back to my table, connect every cable back. All of a sudden the USB keyboard starts duplicating every keystroke. The laptop keyboard works fine. Then I restart the computer. Now both the laptop keyboard and the USB keyboard are duplicating every keystroke. hhttttpp::::////wwwwww.. I do not see the problem if I boot in the failsafe mode (one of the grub options). I do not see the problem when I boot this in Windows (this laptop has two OS in dual-boot). So it is not a hardware problem. Something wrong with X or KDE or something else. I am not able to go to command-mode once KDE GUI starts. I can ssh into the system remotely and I don't have the double keystroke problem. I am pretty sure I have all the online updates. Grub/boot options: (I removed vga=361) SUSE LINUX: repair=1 splash=silent quiet showopts SUSE LINUX Failsafe: showopts apm=off noresume nosmp maxcpus=0 edd=off powersaved=off nohz=off highres=off processor.max_cstate=1 x11failsafe Any help will be greatly appreciated. (Distributions)