On Sat, 2009-06-27 at 13:25 +0200, Robert Millan wrote: > Hi, > > Pavel pointed out earlier that sometimes when starting on i386-qemu GRUB > receives spurious events from AT keyboard.
Yes, it's still happening, but not always. Approximately half of the time I'm getting "2" at the prompt. > It seems that it is the role > of the firmware to flush this buffer at startup. > > Unless someone has a better idea, I would fix this with: > > - Moving at_keyboard to kernel on i386-qemu. > > - [ifdef GRUB_MACHINE_QEMU]: flush the input buffer at at_keyboard > startup by reading and discarding events for a fixed amount of time. I would just read and discard the keyboard data from the port at startup without embedding at_keyboard. > I don't like that we have a race here. Suggestions welcome on how to > improve that, but TTBOMK if there's more than one event you can't tell > when you're processing the last one. I think there is at most one event. And I suspect it's due to a qemu bug. Or at least qemu could do better by starting in the same state every time. -- Regards, Pavel Roskin _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
