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From: Hilko Meyer <Hilko.Meyer@gmx.de>
To: freebsd-stable@freebsd.org
Subject: powerd stopped working after update from 8.4 to 9.2
Date: Mon, 23 Jun 2014 03:27:08 +0200
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Cc: freebsd-acpi@freebsd.org
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Hi,

powerd doesn't work anymore after the update from 8.4 to 9.2. The system
has an old (more than 10 years) mainboard with Via KT133 chipset.

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:

 viapropm0: SMBus I/O base at 0x5000
 viapropm0: SMBus I/O base at 0x5000
 viapropm0: <VIA VT82C686A Power Management Unit> port 0x5000-0x500f 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
[=E2=80=A6]
 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

Any ideas what I can do?

regards,
Hilko
PS: Maybe acpi related so I cced acpi@