I have the same problem with the 2.6.15-26.44 ( linux- image-2.6.15-26-686 ). I have usb mice and ps2 keyboard. After booting this kernel, mouse work, but keyboard not. This bug seems to be similar to 49047.
-- Missing keyboard https://launchpad.net/bugs/38897 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs