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Date:      Mon, 20 Dec 2010 14:51:15 -0500
From:      John Baldwin <jhb@freebsd.org>
To:        Ivan Klymenko <fidaj@ukr.net>
Cc:        freebsd-current@freebsd.org
Subject:   Re: dev/psm0 not found
Message-ID:  <201012201451.15057.jhb@freebsd.org>
In-Reply-To: <20101220201435.76234dee@ukr.net>
References:  <20101218203020.1cec8dc7@ukr.net> <201012201249.53159.jhb@freebsd.org> <20101220201435.76234dee@ukr.net>

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On Monday, December 20, 2010 1:14:35 pm Ivan Klymenko wrote:
> =D0=92 Mon, 20 Dec 2010 12:49:53 -0500
> John Baldwin <jhb@freebsd.org> =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
>=20
> > On Monday, December 20, 2010 11:53:34 am Ivan Klymenko wrote:
> > > =D0=92 Mon, 20 Dec 2010 09:58:57 -0500
> > > John Baldwin <jhb@freebsd.org> =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
> > >=20
> > > > On Saturday, December 18, 2010 1:30:20 pm Ivan Klymenko wrote:
> > > > >=20
http://svn.freebsd.org/viewvc/base/head/sys/dev/atkbdc/psm.c?view=3Dlog
> > > > >=20
> > > > > after updating svn revision =3D> 216491 system is not detecting
> > > > > the device psm
> > > > > http://svn.freebsd.org/viewvc/base?view=3Drevision&revision=3D216=
491
> > > >=20
> > > > Can you please get verbose dmesg's from before and after?
> > > >=20
> > >=20
> > > Voila.
> >=20
> > Please boot with this and capture the output:
> >=20
> > Index: psm.c
> > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > --- psm.c	(revision 216591)
> > +++ psm.c	(working copy)
> > @@ -1100,11 +1100,17 @@
> >  	 */
> >  	psmc =3D device_find_child(device_get_parent(parent),
> >  	    PSMCPNP_DRIVER_NAME, unit);
> > -	if (psmc =3D=3D NULL)
> > +	if (psmc =3D=3D NULL) {
> > +		printf("psm%d: could not find %s%d\n", unit,
> > +		    PSMCPNP_DRIVER_NAME, unit);
> >  		return;
> > +	}
> >  	irq =3D bus_get_resource_start(psmc, SYS_RES_IRQ, 0);
> > -	if (irq <=3D 0)
> > +	if (irq <=3D 0) {
> > +		printf("psm%d: no IRQ from %s%d\n", unit,
> > PSMCPNP_DRIVER_NAME,
> > +		    unit);
> >  		return;
> > +	}
> >  	bus_delete_resource(psmc, SYS_RES_IRQ, 0);
> >  	bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1);
> >  }

Try this instead.  You can use a non-verbose dmesg to trim the spammage.

Index: psm.c
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=2D-- psm.c	(revision 216591)
+++ psm.c	(working copy)
@@ -1080,7 +1080,7 @@
 	device_t psmc;
 	device_t psm;
 	u_long irq;
=2D	int unit;
+	int error, unit;
=20
 	unit =3D device_get_unit(parent);
=20
@@ -1090,8 +1090,10 @@
 		return;
=20
 	irq =3D bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX);
=2D	if (irq > 0)
+	if (irq > 0) {
+		printf("psm%d: already has an IRQ?\n", unit);
 		return;
+	}
=20
 	/*
 	 * If the PS/2 mouse device has already been reported by ACPI or
@@ -1100,13 +1102,27 @@
 	 */
 	psmc =3D device_find_child(device_get_parent(parent),
 	    PSMCPNP_DRIVER_NAME, unit);
=2D	if (psmc =3D=3D NULL)
+	if (psmc =3D=3D NULL) {
+		printf("psm%d: could not find %s%d\n", unit,
+		    PSMCPNP_DRIVER_NAME, unit);
 		return;
+	}
 	irq =3D bus_get_resource_start(psmc, SYS_RES_IRQ, 0);
=2D	if (irq <=3D 0)
+	if (irq <=3D 0) {
+		printf("psm%d: no IRQ from %s\n", unit,
+		    device_get_nameunit(psmc));
 		return;
=2D	bus_delete_resource(psmc, SYS_RES_IRQ, 0);
=2D	bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1);
+	}
+	error =3D bus_delete_resource(psmc, SYS_RES_IRQ, 0);
+	if (error)
+		printf("psm%d: failed to remove IRQ from %s: %d\n", unit,
+		    device_get_nameunit(psmc), error);
+	error =3D bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1);
+	if (error)
+		printf("psm%d: failed to add IRQ %lu: %d\n", unit, irq,
+		    error);
+	else
+		printf("psm%d: added IRQ %lu\n", unit, irq);
 }
=20
 #define	endprobe(v)	do {			\

=2D-=20
John Baldwin



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