Hi Adam,
I've seen a similar problem on my laptop. Does the following patch help?
It's not pretty, but it does work on my box and it looks like always
doing a write to the AUX port doesn't hurt amd64 (at least it hasn't on
the boxes I've tried it on).
--
Gregor
Index: dev/ic/pckbc.c
===================================================================
RCS file: /home/cvs/src/sys/dev/ic/pckbc.c,v
retrieving revision 1.49
diff -u -p -r1.49 pckbc.c
--- dev/ic/pckbc.c 24 May 2015 10:57:47 -0000 1.49
+++ dev/ic/pckbc.c 23 Jan 2017 13:41:43 -0000
@@ -378,11 +378,17 @@ pckbc_attach(struct pckbc_softc *sc, int
bus_space_write_1(iot, ioh_d, 0, 0x5a); /* a random value */
res = pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_AUX_SLOT, 1);
- if (ISSET(t->t_flags, PCKBC_NEED_AUXWRITE)) {
+#if defined(__amd64__)
+ t->t_flags |= PCKBC_NEED_AUXWRITE;
+#endif
+
+ if (ISSET(t->t_flags, PCKBC_NEED_AUXWRITE))
+ {
/*
* The following code is necessary to find the aux port on the
- * oqo-1 machine, among others. However if confuses old
- * (non-ps/2) keyboard controllers (at least UMC880x again).
+ * oqo-1 and Schenker S406 machines, among others. However if
+ * confuses old (non-ps/2) keyboard controllers (at least
+ * UMC880x again).
*/
if (res == -1) {
/* Read of aux echo timed out, try again */
Index: dev/ic/pckbcvar.h
===================================================================
RCS file: /home/cvs/src/sys/dev/ic/pckbcvar.h,v
retrieving revision 1.15
diff -u -p -r1.15 pckbcvar.h
--- dev/ic/pckbcvar.h 24 May 2015 10:57:47 -0000 1.15
+++ dev/ic/pckbcvar.h 23 Jan 2017 13:41:43 -0000
@@ -53,7 +53,7 @@ struct pckbc_internal {
int t_flags;
#define PCKBC_CANT_TRANSLATE 0x0001 /* can't translate to XT
scancodes */
-#define PCKBC_NEED_AUXWRITE 0x0002 /* need auxwrite command to
find aux */
+#define PCKBC_NEED_AUXWRITE 0x0002 /* need auxwrite command to
find aux, always set on amd64 */
int t_haveaux; /* controller has an aux port */
struct pckbc_slotdata *t_slotdata[PCKBC_NSLOTS];
