Comment 3 for bug 593434

Same problem here.

10.10 running on eeePC hardware.

[ 79.472329] [<c014a6f2>] warn_slowpath_common+0x72/0xa0
[ 79.472338] [<c011b00c>] ? read_measured_perf_ctrs+0x6c/0x80
[ 79.472346] [<c011b00c>] ? read_measured_perf_ctrs+0x6c/0x80
[ 79.472353] [<c011afa0>] ? read_measured_perf_ctrs+0x0/0x80
[ 79.472362] [<c014a742>] warn_slowpath_null+0x22/0x30
[ 79.472370] [<c011b00c>] read_measured_perf_ctrs+0x6c/0x80
[ 79.472377] [<c011afa0>] ? read_measured_perf_ctrs+0x0/0x80
[ 79.472386] [<c017ac52>] smp_call_function_single+0x72/0x130
[ 79.472395] [<c011aeff>] cpufreq_get_measured_perf+0x2f/0xd0
[ 79.472405] [<c04ce3ae>] ? cpufreq_cpu_get+0x8e/0xf0
[ 79.472412] [<c0175aba>] ? get_cpu_iowait_time_us+0x6a/0xa0
[ 79.472420] [<c04ce5ea>] __cpufreq_driver_getavg+0x6a/0x70
[ 79.472428] [<c04d12c5>] dbs_check_cpu+0x75/0x2e0
[ 79.472436] [<c04d15d7>] do_dbs_timer+0xa7/0xc0
[ 79.472444] [<c05c6eba>] ? schedule+0x37a/0x7a0
[ 79.472453] [<c016140e>] run_workqueue+0x8e/0x150
[ 79.472461] [<c04d1530>] ? do_dbs_timer+0x0/0xc0
[ 79.472469] [<c0161554>] worker_thread+0x84/0xe0
[ 79.472477] [<c01657d0>] ? autoremove_wake_function+0x0/0x50
[ 79.472485] [<c01614d0>] ? worker_thread+0x0/0xe0
[ 79.472492] [<c01653a4>] kthread+0x74/0x80
[ 79.472499] [<c0165330>] ? kthread+0x0/0x80
[ 79.472507] [<c010363e>] kernel_thread_helper+0x6/0x10
[ 79.472513] ---[ end trace 67d7e1d6a93a2c3a ]---