This bug was intermittent for me (on Dell Vostro 1710) through Karmic. I mostly suspend to RAM and rarely reboot, but occasionally reboots would result in non-working keyboard and touchpad. With Lucid (kernel 2.6.32-21-generic #32-Ubuntu SMP), the keyboard always comes up but the trackpad fails to work roughly 4 out of 5 boots. Kernel options i8042.reset i8042.nomux fixed it for the next boot but I haven't tried repeatedly rebooting so am not sure whether it's really fixed or just happened to work at that time.
This bug was intermittent for me (on Dell Vostro 1710) through Karmic. I mostly suspend to RAM and rarely reboot, but occasionally reboots would result in non-working keyboard and touchpad. With Lucid (kernel 2.6.32-21-generic #32-Ubuntu SMP), the keyboard always comes up but the trackpad fails to work roughly 4 out of 5 boots. Kernel options i8042.reset i8042.nomux fixed it for the next boot but I haven't tried repeatedly rebooting so am not sure whether it's really fixed or just happened to work at that time.