The following reply was made to PR port-amd64/34203; it has been noted by GNATS.

From: "=?ISO-8859-1?Q?St=E9phane_Witzmann?=" <stephane.witzmann@gmail.com>
To: "Martin Husemann" <martin@duskware.de>
Cc: gnats-bugs@netbsd.org
Subject: Re: port-amd64/34203: kbc: cmd word write error
Date: Tue, 15 Aug 2006 14:39:01 +0200

 On 8/15/06, Martin Husemann <martin@duskware.de> wrote:
 > On Tue, Aug 15, 2006 at 11:35:01AM +0000, St=E9phane Witzmann wrote:
 > >  - If I add a panic() in main() before configure(), the keyboard works
 > >  in DDB. There are some pckbc functions called before the copyright is
 > >  printed, in consinit() I suppose, and none of them seems to fail.
 >
 > I'm not sure how delay works on amd64 at this early stage - the loop that
 > fails does a KBD_DELAY, which is defined as
 >
 > #define KBD_DELAY       DELAY(8)
 >
 > Can you try to increase this significantly (for testing only, of course),
 > or change it to the lower case delay(...) variant?
 
 Replaced 8 with 160, same problem. I also tried keeping the delay and
 increasing the number of iterations in the loop (100000-> 10000000).
 Same with delay().
 
 > Maybe you could also try to compile this file (sys/dev/ic/pckbc.c) with -=
 O0,
 > to check for optimization problems.
 
 Recompiled the whole kernel with -O0, no change.