[STAGING] WARNING: at /build/buildd/linux-2.6.35/arch/x86/include/asm/processor.h:1005 read_measured_perf_ctrs+0x6c/0x80()

[Dirk Kraft]

Normal boot will show this oops:

[ 13.328089] ------------[ cut here ]------------
[ 13.328114] WARNING: at /build/buildd/linux-2.6.35/arch/x86/include/asm/processor.h:1005 read_measured_perf_ctrs+0x6c/0x80()
[ 13.328124] Hardware name: 901
[ 13.328128] Modules linked in: snd_hda_codec_realtek snd_hda_intel rt2860sta(C) snd_hda_codec snd_hwdep arc4 snd_pcm joydev snd_seq_midi rt2800pci snd_rawmidi snd_seq_midi_event rt2800lib snd_seq rt2x00usb rt2x00pci crc_ccitt rt2x00lib snd_timer snd_seq_device uvcvideo mac80211 videodev snd v4l1_compat cfg80211 psmouse serio_raw eeepc_laptop(+) soundcore eeprom_93cx6 snd_page_alloc sparse_keymap led_class lp parport i915 drm_kms_helper drm intel_agp atl1e i2c_algo_bit agpgart video output
[ 13.328212] Pid: 56, comm: kondemand/0 Tainted: G C 2.6.35-22-generic #32-Ubuntu
[ 13.328218] Call Trace:
[ 13.328231] [<c014ac52>] warn_slowpath_common+0x72/0xa0
[ 13.328239] [<c011b4bc>] ? read_measured_perf_ctrs+0x6c/0x80
[ 13.328247] [<c011b4bc>] ? read_measured_perf_ctrs+0x6c/0x80
[ 13.328255] [<c011b450>] ? read_measured_perf_ctrs+0x0/0x80
[ 13.328263] [<c014aca2>] warn_slowpath_null+0x22/0x30
[ 13.328271] [<c011b4bc>] read_measured_perf_ctrs+0x6c/0x80
[ 13.328278] [<c011b450>] ? read_measured_perf_ctrs+0x0/0x80
[ 13.328287] [<c017b342>] smp_call_function_single+0x72/0x130
[ 13.328296] [<c011b3af>] cpufreq_get_measured_perf+0x2f/0xd0
[ 13.328305] [<c04cdbfe>] ? cpufreq_cpu_get+0x8e/0xf0
[ 13.328312] [<c01761ba>] ? get_cpu_iowait_time_us+0x6a/0xa0
[ 13.328320] [<c04cde3a>] __cpufreq_driver_getavg+0x6a/0x70
[ 13.328327] [<c04d0b05>] dbs_check_cpu+0x75/0x2e0
[ 13.328335] [<c04d0e17>] do_dbs_timer+0xa7/0xc0
[ 13.328345] [<c05c697a>] ? schedule+0x37a/0x7a0
[ 13.328354] [<c0161a4e>] run_workqueue+0x8e/0x150
[ 13.328362] [<c04d0d70>] ? do_dbs_timer+0x0/0xc0
[ 13.328369] [<c0161b94>] worker_thread+0x84/0xe0
[ 13.328378] [<c0165e10>] ? autoremove_wake_function+0x0/0x50
[ 13.328386] [<c0161b10>] ? worker_thread+0x0/0xe0
[ 13.328393] [<c01659e4>] kthread+0x74/0x80
[ 13.328400] [<c0165970>] ? kthread+0x0/0x80
[ 13.328408] [<c010363e>] kernel_thread_helper+0x6/0x10
[ 13.328413] ---[ end trace fb23209c1452b690 ]---

ProblemType: KernelOops
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-22-generic 2.6.35-22.32
Regression: No
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-22.32-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Annotation: Your system might become unstable now and might need to be restarted.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: dirk 1975 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf7eb8000 irq 45'
   Mixer name : 'Realtek ALC269'
   Components : 'HDA:10ec0269,1043831a,00100004'
   Controls : 10
   Simple ctrls : 6
Date: Sat Sep 18 16:10:36 2010
Failure: oops
Frequency: Once a day.
MachineType: ASUSTeK Computer INC. 901
ProcCmdLine: root=UUID=06bfd466-22b4-4930-96f0-07b0cc08d88e ro quiet splash
RelatedPackageVersions: linux-firmware 1.38
SourcePackage: linux
StagingDrivers: rt2860sta
Title: [STAGING]
WpaSupplicantLog:

dmi.bios.date: 06/11/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2103
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 901
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTek Computer INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2103:bd06/11/2009:svnASUSTeKComputerINC.:pn901:pvrx.x:rvnASUSTeKComputerINC.:rn901:rvrx.xx:cvnASUSTekComputerINC.:ct10:cvrx.x:
dmi.product.name: 901
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.