Re: dev/psm0 not found

On Monday, December 20, 2010 1:14:35 pm Ivan Klymenko wrote:
> В Mon, 20 Dec 2010 12:49:53 -0500
> John Baldwin <jhb_at_freebsd.org> пишет:
> 
> > On Monday, December 20, 2010 11:53:34 am Ivan Klymenko wrote:
> > > В Mon, 20 Dec 2010 09:58:57 -0500
> > > John Baldwin <jhb_at_freebsd.org> пишет:
> > > 
> > > > On Saturday, December 18, 2010 1:30:20 pm Ivan Klymenko wrote:
> > > > > 
http://svn.freebsd.org/viewvc/base/head/sys/dev/atkbdc/psm.c?view=log
> > > > > 
> > > > > after updating svn revision => 216491 system is not detecting
> > > > > the device psm
> > > > > http://svn.freebsd.org/viewvc/base?view=revision&revision=216491
> > > > 
> > > > Can you please get verbose dmesg's from before and after?
> > > > 
> > > 
> > > Voila.
> > 
> > Please boot with this and capture the output:
> > 
> > Index: psm.c
> > ===================================================================
> > --- psm.c	(revision 216591)
> > +++ psm.c	(working copy)
> > _at__at_ -1100,11 +1100,17 _at__at_
> >  	 */
> >  	psmc = device_find_child(device_get_parent(parent),
> >  	    PSMCPNP_DRIVER_NAME, unit);
> > -	if (psmc == NULL)
> > +	if (psmc == NULL) {
> > +		printf("psm%d: could not find %s%d\n", unit,
> > +		    PSMCPNP_DRIVER_NAME, unit);
> >  		return;
> > +	}
> >  	irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0);
> > -	if (irq <= 0)
> > +	if (irq <= 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
===================================================================
--- psm.c	(revision 216591)
+++ psm.c	(working copy)
_at__at_ -1080,7 +1080,7 _at__at_
 	device_t psmc;
 	device_t psm;
 	u_long irq;
-	int unit;
+	int error, unit;
 
 	unit = device_get_unit(parent);
 
_at__at_ -1090,8 +1090,10 _at__at_
 		return;
 
 	irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX);
-	if (irq > 0)
+	if (irq > 0) {
+		printf("psm%d: already has an IRQ?\n", unit);
 		return;
+	}
 
 	/*
 	 * If the PS/2 mouse device has already been reported by ACPI or
_at__at_ -1100,13 +1102,27 _at__at_
 	 */
 	psmc = device_find_child(device_get_parent(parent),
 	    PSMCPNP_DRIVER_NAME, unit);
-	if (psmc == NULL)
+	if (psmc == NULL) {
+		printf("psm%d: could not find %s%d\n", unit,
+		    PSMCPNP_DRIVER_NAME, unit);
 		return;
+	}
 	irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0);
-	if (irq <= 0)
+	if (irq <= 0) {
+		printf("psm%d: no IRQ from %s\n", unit,
+		    device_get_nameunit(psmc));
 		return;
-	bus_delete_resource(psmc, SYS_RES_IRQ, 0);
-	bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1);
+	}
+	error = 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 = 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);
 }
 
 #define	endprobe(v)	do {			\

-- 
John Baldwin