------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.35/arch/x86/include/asm/processor.h:1005 read_measured_perf_ctrs+0x6c/0x80()
Hardware name: 1000HE
Modules linked in: binfmt_misc rfcomm bridge stp bnep sco l2cap bluetooth vboxnetadp vboxnetflt vboxdrv parport_pc ppdev nfsd exportfs nfs lockd fscache nfs_acl auth_rpcgss snd_hda_codec_realtek rt2860sta(C) arc4 sunrpc snd_hda_intel snd_hda_codec snd_hwdep snd_pcm i915 snd_seq_midi rt2800pci joydev snd_rawmidi rt2800lib rt2x00usb rt2x00pci crc_ccitt drm_kms_helper snd_seq_midi_event rt2x00lib uvcvideo snd_seq mac80211 videodev snd_timer drm snd_seq_device v4l1_compat eeepc_wmi intel_agp cfg80211 snd i2c_algo_bit psmouse eeepc_laptop soundcore serio_raw eeprom_93cx6 video snd_page_alloc agpgart sparse_keymap led_class output i2c_i801 lp parport ahci libahci
Pid: 57, comm: kondemand/1 Tainted: G         C  2.6.35-22-generic #33-Ubuntu
Call Trace:
 [<c014ac52>] warn_slowpath_common+0x72/0xa0
 [<c011b4bc>] ? read_measured_perf_ctrs+0x6c/0x80
 [<c011b4bc>] ? read_measured_perf_ctrs+0x6c/0x80
 [<c011b450>] ? read_measured_perf_ctrs+0x0/0x80
 [<c014aca2>] warn_slowpath_null+0x22/0x30
 [<c011b4bc>] read_measured_perf_ctrs+0x6c/0x80
 [<c011b450>] ? read_measured_perf_ctrs+0x0/0x80
 [<c017b342>] smp_call_function_single+0x72/0x130
 [<c011b3af>] cpufreq_get_measured_perf+0x2f/0xd0
 [<c04cdc4e>] ? cpufreq_cpu_get+0x8e/0xf0
 [<c01761ba>] ? get_cpu_iowait_time_us+0x6a/0xa0
 [<c04cde8a>] __cpufreq_driver_getavg+0x6a/0x70
 [<c04d0b55>] dbs_check_cpu+0x75/0x2e0
 [<c04d0e67>] do_dbs_timer+0xa7/0xc0
 [<c05c69ca>] ? schedule+0x37a/0x7a0
 [<c0161a4e>] run_workqueue+0x8e/0x150
 [<c04d0dc0>] ? do_dbs_timer+0x0/0xc0
 [<c0161b94>] worker_thread+0x84/0xe0
 [<c0165e10>] ? autoremove_wake_function+0x0/0x50
 [<c0161b10>] ? worker_thread+0x0/0xe0
 [<c01659e4>] kthread+0x74/0x80
 [<c0165970>] ? kthread+0x0/0x80
 [<c010363e>] kernel_thread_helper+0x6/0x10
---[ end trace d0dfaf7f572051a2 ]---