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Date:      Tue, 24 Jun 2014 16:23:39 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        Hilko Meyer <hilko.meyer@gmx.de>
Cc:        freebsd-acpi@freebsd.org, freebsd-stable@freebsd.org
Subject:   Re: powerd stopped working after update from 8.4 to 9.2
Message-ID:  <201406241623.39328.jhb@freebsd.org>
In-Reply-To: <6hcjq9540905oeibsjnf8ogee7sqfcdoej@4ax.com>
References:  <p8seq959o50elg2p5t3po3ouddnfb20p50@mail.arcor.de> <201406241026.52678.jhb@freebsd.org> <6hcjq9540905oeibsjnf8ogee7sqfcdoej@4ax.com>

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On Tuesday, June 24, 2014 1:36:41 pm Hilko Meyer wrote:
> On Tue, 24 Jun 2014 10:26:52 -0400, you wrote:
> >On Monday, June 23, 2014 7:12:23 pm Hilko Meyer wrote:
> >> John Baldwin wrote:
> >> >On Sunday, June 22, 2014 9:27:08 pm Hilko Meyer wrote:
> >> >>=20
> >> >> powerd doesn't work anymore after the update from 8.4 to 9.2. The s=
ystem
> >> >> has an old (more than 10 years) mainboard with Via KT133 chipset.
> >> >>=20
> >> >> I made a verbose boot with both, 8.4 and 9.2:
> >> >> 8.4: http://pastebin.com/iiZXRXgK
> >> >> 9.2: http://pastebin.com/sHcd3MHv
> >> >> The relevant part of the diff seem to be these parts:
> >> >>=20
> >> >>  viapropm0: SMBus I/O base at 0x5000
> >> >>  viapropm0: SMBus I/O base at 0x5000
> >> >>  viapropm0: <VIA VT82C686A Power Management Unit> port 0x5000-0x500=
f at
> >> >> device 7.4 on pci0
> >> >> -viapropm0: SMBus revision code 0x40
> >> >> -smbus0: <System Management Bus> on viapropm0
> >> >> -smb0: <SMBus generic I/O> on smbus0
> >> >> +viapropm0: could not allocate bus space
> >> >> +device_attach: viapropm0 attach returned 6
> >> >> [=85]
> >> >>  acpi_throttle0: <ACPI CPU Throttling> on cpu0
> >> >> -acpi_throttle0: P_CNT from P_BLK 0x4010
> >> >> +acpi_throttle0: failed to attach P_CNT
> >> >> +device_attach: acpi_throttle0 attach returned 6
> >> >>=20
> >> >> Any ideas what I can do?
> >> >
> >> >acpi_timer0 also failed to probe due to a resource issue. Can you get=
 the=20
> >> >output of 'devinfo -rv' and 'devinfo -u' from the both kernels?
> >>=20
> >> Yes, no problem.
> >> devinfo -rv:
> >> 8.4: http://pastebin.com/6xm1tBrU
> >> 9.2: http://pastebin.com/whXk32Ab
> >>=20
> >> devinfo -u:
> >> 8.4: http://pastebin.com/47U7HZb3
> >> 9.2: http://pastebin.com/U85HTw0C
> >>=20
> >> thanks for your help,
> >> Hilko
> >
> >Can you provide your acpidump?  This box seems confusing.
>=20
> Well, its quite old. An Epox 8kta3 from around 2002. I was not sure which=
 output
> you need so I attached acpidump -d and acpidump -dt.

Ok, try this:

Index: sys/dev/acpica/acpi.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-- acpi.c	(revision 267784)
+++ acpi.c	(working copy)
@@ -1196,15 +1196,24 @@ acpi_set_resource(device_t dev, device_t child, in
 	return (0);
=20
     /*
=2D     * Ignore memory resources for PCI root bridges.  Some BIOSes
+     * Ignore most resources for PCI root bridges.  Some BIOSes
      * incorrectly enumerate the memory ranges they decode as plain
=2D     * memory resources instead of as a ResourceProducer range.
+     * memory resources instead of as ResourceProducer ranges.  Other
+     * BIOSes incorrectly list system resource entries for I/O ranges
+     * under the PCI bridge.  Do allow the one known-correct case on
+     * x86 of a PCI bridge claiming the I/O ports used for PCI config
+     * access.
      */
=2D    if (type =3D=3D SYS_RES_MEMORY) {
+    if (type =3D=3D SYS_RES_MEMORY || type =3D=3D SYS_RES_IOPORT) {
 	if (ACPI_SUCCESS(AcpiGetObjectInfo(ad->ad_handle, &devinfo))) {
 	    if ((devinfo->Flags & ACPI_PCI_ROOT_BRIDGE) !=3D 0) {
=2D		AcpiOsFree(devinfo);
=2D		return (0);
+#if defined(__i386__) || defined(__amd64__)
+		if (!(type =3D=3D SYS_RES_IOPORT && start =3D=3D CONF1_ADDR_PORT))
+#endif
+		{
+		    AcpiOsFree(devinfo);
+		    return (0);
+		}
 	    }
 	    AcpiOsFree(devinfo);
 	}


=2D-=20
John Baldwin



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