[   12.735099] vboxdrv: Trying to deactivate the NMI watchdog permanently...
[   12.735102] vboxdrv: Warning: 2.6.31+ kernel detected. Most likely the hardware performance
[   12.735104] vboxdrv: counter framework which can generate NMIs is active. You have to prevent
[   12.735105] vboxdrv: the usage of hardware performance counters by
[   12.735106] vboxdrv:   echo 2 > /proc/sys/kernel/perf_counter_paranoid
[   12.735109] vboxdrv: Found 4 processor cores.
[   12.735768] vboxdrv: fAsync=0 offMin=0x3ba offMax=0x1f77
[   12.736806] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
[   12.736808] vboxdrv: Successfully loaded version 3.2.8_OSE (interface 0x00140001).
[   13.810207] EXT4-fs (sda6): re-mounted. Opts: errors=remount-ro,commit=0
[   20.712155] eth0: no IPv6 routers present
[   73.232045] ------------[ cut here ]------------
[   73.232055] WARNING: at /build/buildd/linux-2.6.35/arch/x86/include/asm/processor.h:1005 read_measured_perf_ctrs+0x6c/0x80()
[   73.232059] Hardware name: System Product Name
[   73.232062] Modules linked in: binfmt_misc vboxnetadp vboxnetflt vboxdrv snd_hda_codec_atihdmi snd_hda_codec_via snd_hda_intel snd_hda_codec snd_hwdep snd_pcm radeon snd_seq_midi snd_rawmidi snd_seq_midi_event ttm snd_seq drm_kms_helper ppdev snd_timer snd_seq_device parport_pc asus_atk0110 psmouse serio_raw drm intel_agp snd led_class agpgart i2c_algo_bit soundcore snd_page_alloc lp parport usbhid hid atl1e
[   73.232106] Pid: 79, comm: kondemand/0 Not tainted 2.6.35-21-generic-pae #31-Ubuntu
[   73.232109] Call Trace:
[   73.232116]  [<c01527b2>] warn_slowpath_common+0x72/0xa0
[   73.232121]  [<c012191c>] ? read_measured_perf_ctrs+0x6c/0x80
[   73.232126]  [<c012191c>] ? read_measured_perf_ctrs+0x6c/0x80
[   73.232130]  [<c01218b0>] ? read_measured_perf_ctrs+0x0/0x80
[   73.232135]  [<c0152802>] warn_slowpath_null+0x22/0x30
[   73.232139]  [<c012191c>] read_measured_perf_ctrs+0x6c/0x80
[   73.232143]  [<c01218b0>] ? read_measured_perf_ctrs+0x0/0x80
[   73.232148]  [<c0183632>] smp_call_function_single+0x72/0x130
[   73.232153]  [<c012180f>] cpufreq_get_measured_perf+0x2f/0xd0
[   73.232159]  [<c04f2b4e>] ? cpufreq_cpu_get+0x8e/0xf0
[   73.232164]  [<c017e4aa>] ? get_cpu_iowait_time_us+0x6a/0xa0
[   73.232169]  [<c04f2d8a>] __cpufreq_driver_getavg+0x6a/0x70
[   73.232173]  [<c04f5a55>] dbs_check_cpu+0x75/0x2e0
[   73.232177]  [<c014ca99>] ? dequeue_task_fair+0x79/0x80
[   73.232182]  [<c04f5d67>] do_dbs_timer+0xa7/0xc0
[   73.232188]  [<c05ed4da>] ? schedule+0x37a/0x7a0
[   73.232198]  [<c0169d3e>] run_workqueue+0x8e/0x150
[   73.232201]  [<c04f5cc0>] ? do_dbs_timer+0x0/0xc0
[   73.232204]  [<c0169e84>] worker_thread+0x84/0xe0
[   73.232207]  [<c016e100>] ? autoremove_wake_function+0x0/0x50
[   73.232211]  [<c0169e00>] ? worker_thread+0x0/0xe0
[   73.232213]  [<c016dcd4>] kthread+0x74/0x80
[   73.232216]  [<c016dc60>] ? kthread+0x0/0x80
[   73.232219]  [<c010993e>] kernel_thread_helper+0x6/0x10
[   73.232221] ---[ end trace 4af402baefc5a527 ]---