[1266874875.897115] ------------[ cut here ]------------
[1266874875.897128] WARNING: at /build/buildd/linux-2.6.35/kernel/trace/ring_buffer.c:2017 rb_add_time_stamp+0x70/0x220()
[1266874875.897132] Hardware name: Lenovo IdeaPad Z
[1266874875.897136] Delta way too big! 18446743769153104979 ts=18446744059897110842 write stamp = 290744005863
[1266874875.897139] Modules linked in: binfmt_misc parport_pc ppdev snd_hda_codec_intelhdmi snd_hda_codec_realtek arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm ath9k ath9k_common ath9k_hw i915 ath mac80211 drm_kms_helper joydev snd_seq_midi drm snd_rawmidi snd_seq_midi_event cfg80211 i2c_algo_bit snd_seq snd_timer snd_seq_device uvcvideo videodev psmouse lp snd intel_agp agpgart parport v4l1_compat soundcore snd_page_alloc led_class video output serio_raw ahci libahci
[1266874875.897184] Pid: 1120, comm: NetworkManager Not tainted 2.6.35-15-generic #21-Ubuntu
[1266874875.897187] Call Trace:
[1266874875.897197]  [<c014a6e2>] warn_slowpath_common+0x72/0xa0
[1266874875.897201]  [<c01b73c0>] ? rb_add_time_stamp+0x70/0x220
[1266874875.897205]  [<c01b73c0>] ? rb_add_time_stamp+0x70/0x220
[1266874875.897209]  [<c014a7b3>] warn_slowpath_fmt+0x33/0x40
[1266874875.897213]  [<c01b73c0>] rb_add_time_stamp+0x70/0x220
[1266874875.897217]  [<c01b76aa>] rb_reserve_next_event+0x13a/0x1e0
[1266874875.897224]  [<c02219f5>] ? path_put+0x25/0x30
[1266874875.897228]  [<c01b78c0>] ring_buffer_lock_reserve+0x80/0x140
[1266874875.897234]  [<c01b953a>] trace_buffer_lock_reserve+0x1a/0x50
[1266874875.897237]  [<c01b9592>] trace_current_buffer_lock_reserve+0x22/0x30
[1266874875.897243]  [<c0215ea4>] ftrace_raw_event_do_sys_open+0x54/0xd0
[1266874875.897247]  [<c0216346>] do_sys_open+0x136/0x150
[1266874875.897251]  [<c0215e50>] ? ftrace_raw_event_do_sys_open+0x0/0xd0
[1266874875.897256]  [<c02163ce>] sys_open+0x2e/0x40
[1266874875.897261]  [<c05c9904>] syscall_call+0x7/0xb
[1266874875.897264] ---[ end trace 54f345b1f4ec3bba ]---