linux-kernel - ACPI / powernow-k8 problems with M4A78T-E (AM3) and 2.6.30-rc3

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Message-ID: <F632EDDF1017D445AE61401A3E974CC082EA4131CE@EUEXCLU01.EU.NEC.COM>
Date:	Thu, 23 Apr 2009 11:09:16 +0100
From:	Ross Alexander <Ross.Alexander@...NEC.COM>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: ACPI / powernow-k8 problems with M4A78T-E (AM3) and 2.6.30-rc3

With BIOS version 0801 the powernow-k8 faulting.

------------[ cut here ]------------
WARNING: at arch/x86/kernel/cpu/cpufreq/powernow-k8.c:1257 powernowk8_cpu_init+0
x4e0/0xd3f()
Hardware name: System Product Name
[Firmware Bug]: powernow-k8: Your BIOS does not provide ACPI _PSS objects in a w
ay that Linux understands. Please report this to the Linux ACPI maintainers and
complain to your BIOS vendor.
Modules linked in:
Pid: 1, comm: swapper Not tainted 2.6.30-rc3 #2
input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/inpu
t2
Call Trace:
 [<ffffffff8023b28f>] ? warn_slowpath+0xdf/0x130
 [<ffffffff8038f91c>] ? acpi_get_handle+0x84/0xa8
 [<ffffffff8039c06f>] ? acpi_processor_register_performance+0x3ae/0x3d2
 [<ffffffff804e1227>] ? powernowk8_cpu_init+0x4e0/0xd3f
 [<ffffffff804e868e>] ? _spin_lock_irqsave+0x1e/0x50
 [<ffffffff8045c944>] ? cpufreq_add_dev+0x174/0x670
 [<ffffffff8023be8b>] ? vprintk+0x2bb/0x3f0
 [<ffffffff8023be95>] ? vprintk+0x2c5/0x3f0
 [<ffffffff80233ca0>] ? default_wake_function+0x0/0x20
 [<ffffffff8022fdb7>] ? task_rq_lock+0x47/0x90
 [<ffffffff804e88c2>] ? _spin_unlock_irqrestore+0x12/0x30
 [<ffffffff80236e33>] ? set_cpus_allowed_ptr+0x83/0x140
 [<ffffffff804e5964>] ? printk+0x40/0x4c
Switched to high resolution mode on CPU 3
Switched to high resolution mode on CPU 2
Switched to high resolution mode on CPU 1
Switched to high resolution mode on CPU 0
 [<ffffffff803c75c6>] ? sysdev_driver_register+0x96/0x120
 [<ffffffff804e0cc7>] ? powernowk8_init+0x0/0x80
 [<ffffffff8045b6bd>] ? cpufreq_register_driver+0xbd/0x1e0
 [<ffffffff8020904b>] ? do_one_initcall+0x3b/0x160
 [<ffffffff802f5ff8>] ? create_proc_entry+0x58/0xb0
 [<ffffffff80272aa0>] ? register_irq_proc+0xc0/0xe0
 [<ffffffff806b8658>] ? kernel_init+0x12b/0x181
 [<ffffffff8020c2aa>] ? child_rip+0xa/0x20
 [<ffffffff806b852d>] ? kernel_init+0x0/0x181
 [<ffffffff8020c2a0>] ? child_rip+0x0/0x20
---[ end trace f89681380ea72a15 ]---


Attached is the full dmesg and dmicode files.



Ross Alexander
SAP Basis
NEC Europe Ltd
Corporate IT Centre
Tel:     +44 20 8752 3394

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View attachment "decode.txt" of type "text/plain" (19489 bytes)

View attachment "dmesg.txt" of type "text/plain" (51094 bytes)