------------[ 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: 900A
Modules linked in: aes_i586 aes_generic binfmt_misc parport_pc ppdev dm_crypt joydev snd_hda_codec_realtek arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi ath5k snd_rawmidi snd_seq_midi_event mac80211 snd_seq snd_timer snd_seq_device ath uvcvideo videodev snd cfg80211 v4l1_compat psmouse eeepc_laptop soundcore serio_raw snd_page_alloc sparse_keymap led_class lp parport vga16fb vgastate i915 drm_kms_helper drm intel_agp i2c_algo_bit atl1e video agpgart output
Pid: 59, comm: kondemand/0 Not tainted 2.6.35-6-generic #9-Ubuntu
Call Trace:
 [<c014b5a2>] warn_slowpath_common+0x72/0xa0
 [<c011b37c>] ? read_measured_perf_ctrs+0x6c/0x80
 [<c011b37c>] ? read_measured_perf_ctrs+0x6c/0x80
 [<c011b310>] ? read_measured_perf_ctrs+0x0/0x80
 [<c014b5f2>] warn_slowpath_null+0x22/0x30
 [<c011b37c>] read_measured_perf_ctrs+0x6c/0x80
 [<c011b310>] ? read_measured_perf_ctrs+0x0/0x80
 [<c017bd72>] smp_call_function_single+0x72/0x130
 [<c011b26f>] cpufreq_get_measured_perf+0x2f/0xd0
 [<c04d0f3e>] ? cpufreq_cpu_get+0x8e/0xf0
 [<c01508de>] ? ns_to_timeval+0xe/0x30
 [<c04d117a>] __cpufreq_driver_getavg+0x6a/0x70
 [<c04d3f20>] dbs_check_cpu+0x120/0x2d0
 [<c04d4177>] do_dbs_timer+0xa7/0xc0
 [<c05cb51a>] ? schedule+0x37a/0x7a0
 [<c016245e>] run_workqueue+0x8e/0x150
 [<c04d40d0>] ? do_dbs_timer+0x0/0xc0
 [<c01625a4>] worker_thread+0x84/0xe0
 [<c0166810>] ? autoremove_wake_function+0x0/0x50
 [<c0162520>] ? worker_thread+0x0/0xe0
 [<c01663e4>] kthread+0x74/0x80
 [<c0166370>] ? kthread+0x0/0x80
 [<c0103686>] kernel_thread_helper+0x6/0x10
---[ end trace 79219faa92706a5f ]---