http://bugzilla.kernel.org/show_bug.cgi?id=12993
Summary: warning in powernow-k8.c:1254
Product: ACPI
Version: 2.5
Kernel Version: 2.6.29
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: BIOS
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
My kernel is sync with linus git tree:
/sda1/download/linux-2.6/for-linus>git describe
v2.6.29-6608-g15f7176
The following error was NEVER encountered in all previous version (2.6.29-rcX)
(therefore it is not likely to be a BIOS bug):
Adding 7911972k swap on /dev/sdc5. Priority:-1 extents:1 across:7911972k
powernow-k8: Found 1 AMD Athlon(tm) 64 X2 Dual Core Processor 4800+ processors
(2 cpu cores) (version 2.20.00)
------------[ cut here ]------------
WARNING: at arch/x86/kernel/cpu/cpufreq/powernow-k8.c:1254
powernowk8_cpu_init+0x4e9/0xd63 [powernow_k8]()
Hardware name: System Product Name
[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.
Modules linked in: powernow_k8(+) freq_table ext2 ext4 jbd2 crc16 fuse
dm_multipath uinput snd_intel8x0 snd_ac97_codec snd_mpu401 ac97_bus
snd_seq_dummy snd_seq_oss snd_mpu401_uart snd_seq_midi_event snd_seq ppdev
parport_pc snd_rawmidi snd_pcm_oss ns558 snd_seq_device snd_mixer_oss snd_pcm
firewire_ohci snd_timer parport gameport k8temp hwmon floppy firewire_core snd
forcedeth sky2 pcspkr i2c_nforce2 i2c_core snd_page_alloc crc_itu_t sata_sil24
soundcore sata_nv ata_generic pata_acpi pata_amd [last unloaded:
scsi_wait_scan]
Pid: 2477, comm: modprobe Not tainted 2.6.29 #25
Call Trace:
[<ffffffff8104a47a>] warn_slowpath+0xb6/0xf2
[<ffffffffa01fd48f>] ? check_supported_cpu+0x1bf/0x1ce [powernow_k8]
[<ffffffff810c8648>] ? kmem_cache_alloc+0x52/0xe3
[<ffffffff8118d0c6>] ? __bitmap_weight+0x3e/0x89
[<ffffffff8109849d>] ? trace_hardirqs_on+0x2a/0x2c
[<ffffffffa01fe584>] powernowk8_cpu_init+0x4e9/0xd63 [powernow_k8]
[<ffffffff81384fc5>] ? __down_write+0xb/0xd
[<ffffffff813842ec>] ? down_write+0x2f/0x33
[<ffffffff812c9fb9>] cpufreq_add_dev+0x170/0x619
[<ffffffff8138367e>] ? schedule+0xe/0x22
[<ffffffff810470c7>] ? __cond_resched+0x32/0x59
[<ffffffff81230a5b>] sysdev_driver_register+0xbe/0x118
[<ffffffff812c8f24>] cpufreq_register_driver+0xc1/0x1b3
[<ffffffffa01fee98>] powernowk8_init+0x9a/0xa6 [powernow_k8]
[<ffffffffa01fedfe>] ? powernowk8_init+0x0/0xa6 [powernow_k8]
[<ffffffff8100a066>] do_one_initcall+0x5b/0x140
[<ffffffff8106292d>] ? __blocking_notifier_call_chain+0x5d/0x6f
[<ffffffff810715bc>] sys_init_module+0xae/0x1cd
[<ffffffff81010db2>] system_call_fastpath+0x16/0x1b
---[ end trace 5b5c03d6522b9b23 ]---
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