http://bugzilla.kernel.org/show_bug.cgi?id=13146
Summary: Foxconn A7GM-S 2.0: BIOS does not provide ACPI _PSS
objects in a way that Linux understands
Product: ACPI
Version: 2.5
Kernel Version: 2.6.30-rc2
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: BIOS
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
Created an attachment (id=21076)
--> (http://bugzilla.kernel.org/attachment.cgi?id=21076)
Output from lshal
I am using a Foxconn A7GM-S 2, with the newest BIOS: ID 872F1P02, Version
08.00.14 - Cool n' quiet was enabled in the BIOS. CPU Scaling is not available
because of a bug in the BIOS. Dmesg says:
####
[ 1.501760] powernow-k8: Found 1 AMD Phenom(tm) 8650 Triple-Core Processor
processors (3 cpu cores) (version 2.20.00)
[ 1.501779] ------------[ cut here ]------------
[ 1.501781] WARNING: at
/home/kernel-ppa/mainline/build/arch/x86/kernel/cpu/cpufreq/powernow-k8.c:1257
powernowk8_cpu_init+0x305/0x340()
[ 1.501783] Hardware name: A7GM-S 2.0
[ 1.501785] [Firmware Bug]: powernow-k8: Your BIOS does not provide ACPI
_PSS objects in a way that Linux understands. Please report this to the Linux
ACPI maintainers and complain to your BIOS vendor.
[ 1.501825] Modules linked in:
[ 1.501828] Pid: 1, comm: swapper Not tainted 2.6.30-020630rc2-generic
#020630rc2
[ 1.501830] Call Trace:
[ 1.501835] [<c013c546>] warn_slowpath+0x86/0xa0
[ 1.501838] [<c0155600>] ? cleanup_srcu_struct+0x0/0x50
[ 1.501842] [<c0323f42>] ? acpi_ut_release_mutex+0x52/0x58
[ 1.501845] [<c031bbfe>] ? acpi_ns_get_node+0x7a/0x84
[ 1.501847] [<c031bbfe>] ? acpi_ns_get_node+0x7a/0x84
[ 1.501851] [<c02d979e>] ? __bitmap_weight+0x3e/0x90
[ 1.501854] [<c0138090>] ? set_cpus_allowed_ptr+0x90/0x120
[ 1.501856] [<c031beff>] ? acpi_get_handle+0x6c/0x8e
[ 1.501859] [<c03291b5>] ? acpi_processor_get_performance_info+0x39/0x8e
[ 1.501862] [<c03292aa>] ? acpi_processor_register_performance+0xa0/0xba
[ 1.501865] [<c02d979e>] ? __bitmap_weight+0x3e/0x90
[ 1.501868] [<c05106e5>] powernowk8_cpu_init+0x305/0x340
[ 1.501871] [<c041ac6f>] ? lock_policy_rwsem_write+0x2f/0x70
[ 1.501874] [<c041b72c>] cpufreq_add_dev+0x14c/0x560
[ 1.501877] [<c02d6a5d>] ? vsnprintf+0x6d/0x420
[ 1.501880] [<c0122908>] ? default_spin_lock_flags+0x8/0x10
[ 1.501883] [<c051563a>] ? _spin_lock_irqsave+0x2a/0x40
[ 1.501885] [<c013ce6c>] ? release_console_sem+0xac/0xd0
[ 1.501889] [<c035e2e5>] sysdev_driver_register+0x75/0x120
[ 1.501891] [<c0122908>] ? default_spin_lock_flags+0x8/0x10
[ 1.501894] [<c051563a>] ? _spin_lock_irqsave+0x2a/0x40
[ 1.501896] [<c05103e0>] ? powernowk8_cpu_init+0x0/0x340
[ 1.501899] [<c041b036>] cpufreq_register_driver+0x86/0x140
[ 1.501902] [<c05103c7>] powernowk8_init+0x87/0xa0
[ 1.501904] [<c0510340>] ? powernowk8_init+0x0/0xa0
[ 1.501907] [<c010112b>] do_one_initcall+0x2b/0x150
[ 1.501910] [<c020b889>] ? __proc_create+0x79/0xf0
[ 1.501912] [<c020ba04>] ? create_proc_entry+0x54/0xa0
[ 1.501915] [<c0185a1a>] ? register_irq_proc+0xaa/0xd0
[ 1.501919] [<c076138c>] do_initcalls+0x1c/0x30
[ 1.501921] [<c0761a20>] ? kernel_init+0x0/0xa0
[ 1.501924] [<c07613c5>] do_basic_setup+0x25/0x30
[ 1.501926] [<c0761a75>] kernel_init+0x55/0xa0
[ 1.501931] [<c01039c7>] kernel_thread_helper+0x7/0x10
[ 1.501935] ---[ end trace 41d123c72ef9e876 ]---
####
Please let me know if you need any more info. I am running the latest vanilla
kernel from: http://kernel.ubuntu.com/~kernel-ppa/mainline/
grisell: ~> uname -a
Linux grisell 2.6.30-020630rc2-generic #020630rc2 SMP Wed Apr 15 14:00:27 UTC
2009 i686 GNU/Linux
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