Comment 5 for bug 593434

Same problem, also on EEE hardware.

[ 65.168064] ------------[ cut here ]------------
[ 65.168087] WARNING: at /build/buildd/linux-2.6.35/arch/x86/include/asm/processor.h:1005 read_measured_perf_ctrs+0x6c/0x80()
[ 65.168094] Hardware name: 1005PE
[ 65.168097] Modules linked in: aes_i586 aes_generic snd_hda_codec_realtek binfmt_misc snd_hda_intel arc4 snd_hda_codec snd_hwdep i915 snd_pcm ath9k snd_seq_midi ath9k_common drm_kms_helper snd_rawmidi ath9k_hw snd_seq_midi_event ath mac80211 snd_seq drm snd_timer eeepc_wmi snd_seq_device sparse_keymap psmouse intel_agp i2c_algo_bit cfg80211 snd serio_raw video soundcore led_class snd_page_alloc agpgart output ahci libahci usb_storage
[ 65.168165] Pid: 54, comm: kondemand/0 Not tainted 2.6.35-14-generic #19-Ubuntu
[ 65.168170] Call Trace:
[ 65.168181] [<c014a752>] warn_slowpath_common+0x72/0xa0
[ 65.168189] [<c011b00c>] ? read_measured_perf_ctrs+0x6c/0x80
[ 65.168197] [<c011b00c>] ? read_measured_perf_ctrs+0x6c/0x80
[ 65.168204] [<c011afa0>] ? read_measured_perf_ctrs+0x0/0x80
[ 65.168212] [<c014a7a2>] warn_slowpath_null+0x22/0x30
[ 65.168219] [<c011b00c>] read_measured_perf_ctrs+0x6c/0x80
[ 65.168227] [<c011afa0>] ? read_measured_perf_ctrs+0x0/0x80
[ 65.168235] [<c017ad02>] smp_call_function_single+0x72/0x130
[ 65.168243] [<c011aeff>] cpufreq_get_measured_perf+0x2f/0xd0
[ 65.168252] [<c04ce71e>] ? cpufreq_cpu_get+0x8e/0xf0
[ 65.168259] [<c0175b6a>] ? get_cpu_iowait_time_us+0x6a/0xa0
[ 65.168266] [<c04ce95a>] __cpufreq_driver_getavg+0x6a/0x70
[ 65.168274] [<c04d1625>] dbs_check_cpu+0x75/0x2e0
[ 65.168281] [<c04d1937>] do_dbs_timer+0xa7/0xc0
[ 65.168290] [<c05c72da>] ? schedule+0x37a/0x7a0
[ 65.168298] [<c016146e>] run_workqueue+0x8e/0x150
[ 65.168306] [<c04d1890>] ? do_dbs_timer+0x0/0xc0
[ 65.168313] [<c01615b4>] worker_thread+0x84/0xe0
[ 65.168321] [<c0165830>] ? autoremove_wake_function+0x0/0x50
[ 65.168329] [<c0161530>] ? worker_thread+0x0/0xe0
[ 65.168335] [<c0165404>] kthread+0x74/0x80
[ 65.168342] [<c0165390>] ? kthread+0x0/0x80
[ 65.168350] [<c010363e>] kernel_thread_helper+0x6/0x10
[ 65.168355] ---[ end trace 292a939060810347 ]---