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SubjectRe: pc_keyb: controller jammed (0xFF).
On Fri, Jan 14, 2000 at 07:37:15AM +0000, Yngvi wrote:

> I have been unable to boot kernels since 2.3.33, I always get
> about 1000 "pc_keyb: controller jammed (0xFF)." messages
> and then a
> NMI Watchdog detected LOCKUP on CPU0, registers:
> (see below)
> console shuts up ...
>
> And now nothing much happens, I had a working 2.3.25 kernel but did not
> try all the kernels in between so I dont know if this is the exact
> place for the introduction of this behavior. But I do have a suspect:
> http://www.kernelnotes.org/v23patch/patch-2.3.33/linux_drivers_char_pc_keyb.c.html

Sounds like the keyboard status register cannot be read (and always yields
all-ones).

You can experiment yourself. Undo the patch you mentioned and see whether
that makes a difference.


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