Keyboard is frozen on boot of 2.3.41

[Guest section DW]

On Sun, Jan 30, 2000 at 02:35:43PM -0800, Linus Torvalds wrote:

> [ Tee-dee-tee-dee-tee-dee theme from "The Twilight Zone" ]
> 
> Basically, the mouse open routine does:
> 
>         kbd_write_command_w(KBD_CCMD_MOUSE_ENABLE);     /* Enable the
>                                                            auxiliary port on
>                                                            controller. */
>         aux_write_ack(AUX_ENABLE_DEV); /* Enable aux device */
>         kbd_write_cmd(AUX_INTS_ON); /* Enable controller ints */
> 
>         send_data(KBD_CMD_ENABLE);      /* try to workaround toshiba4030cdt problem */
> 
> and nothing more. The "Timeout" message comes from the final
> "send_data()", which seems to imply nothing more than the fact that the
> keyboard has already locked up by that time.
> 
> Now why any other driver _could_ make a difference here is very very
> unclear. It might be a subtle timing issue, and nothing more.

My ancient keyboard docs contain warnings like

"MCA systems with a type 1 controller must wait at least 7 usec
after bit 0 (status read from 0x64) goes from 0 to 1 before
reading the data from port 0x60."

Probably irrelevant these days, but since you mention timing issues...

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo en vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/