acpi_cpu_freq_init warning...

Yinghai Lu
2008-05-06T02:52:06Z

calling acpi_cpufreq_init+0x0/0x68()
boot acpi=off got

calling powernowk8_init+0x0/0xfd()
powernow-k8: Found 2 Quad-Core AMD Opteron(tm) Processor 2356
processors (8 cpu cores) (version 2.20.00)
powernow-k8: MP systems not supported by PSB BIOS structure
powernow-k8: MP systems not supported by PSB BIOS structure
powernow-k8: MP systems not supported by PSB BIOS structure
powernow-k8: MP systems not supported by PSB BIOS structure
powernow-k8: MP systems not supported by PSB BIOS structure
powernow-k8: MP systems not supported by PSB BIOS structure
powernow-k8: MP systems not supported by PSB BIOS structure
powernow-k8: MP systems not supported by PSB BIOS structure
initcall powernowk8_init+0x0/0xfd() returned -19 after 49 msecs

calling acpi_cpufreq_init+0x0/0x68()
sysdev: class cpu: driver (ffffffff80da0110) has already been
registered to a class, something is wrong, but will forge on!
------------[ cut here ]------------
WARNING: at drivers/base/sys.c:183 sysdev_driver_register+0x82/0x150()
Modules linked in:
Pid: 1, comm: swapper Not tainted
2.6.26-rc1-sched-devel.git-x86-latest.git-00485-g253148c-dirty #333

Call Trace:
[<ffffffff802611c6>] warn_on_slowpath+0x67/0xa2
[<ffffffff80262582>] ? printk+0xa0/0xc1
[<ffffffff80504b31>] ? __next_cpu_nr+0x31/0x51
[<ffffffff80504bc1>] ? __first_cpu+0x21/0x44
[<ffffffff80562ac8>] ? acpi_processor_preregister_performance+0x51c/0x544
[<ffffffff8059d0b8>] sysdev_driver_register+0x82/0x150
[<ffffffff8082de67>] cpufreq_register_driver+0xa8/0x159
[<ffffffff80e40b3f>] acpi_cpufreq_init+0x52/0x68
[<ffffffff80e33c38>] kernel_init+0x1ec/0x32c
[<ffffffff8022a398>] child_rip+0xa/0x12
[<ffffffff80a15fd3>] ? _etext+0x0/0x1
[<ffffffff80e33a4c>] ? kernel_init+0x0/0x32c
[<ffffffff8022a38e>] ? child_rip+0x0/0x12

---[ end trace 42a7898e9c11b2ed ]---
initcall acpi_cpufreq_init+0x0/0x68() returned -19 after 87 msecs

---[ end trace 42a7898e9c11b2ed ]---