[153281.364683] ------------[ cut here ]------------
[153281.364689] WARNING: at /build/buildd/linux-2.6.31/kernel/power/suspend_test.c:52 suspend_test_finish+0x7c/0x80()
[153281.364691] Hardware name: MD7818U                         
[153281.364693] Component: resume devices
[153281.364694] Modules linked in: isofs udf crc_itu_t binfmt_misc ppdev snd_hda_codec_intelhdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm arc4 snd_seq_dummy snd_seq_oss snd_seq_midi joydev ecb snd_rawmidi snd_seq_midi_event snd_seq iwlagn iwlcore uvcvideo snd_timer snd_seq_device iptable_filter videodev mac80211 sdhci_pci ip_tables v4l1_compat sdhci lp psmouse snd soundcore led_class serio_raw v4l2_compat_ioctl32 snd_page_alloc x_tables parport cfg80211 fbcon tileblit font bitblit softcursor i915 drm i2c_algo_bit usbhid sky2 intel_agp video output
[153281.364735] Pid: 21411, comm: pm-suspend Not tainted 2.6.31-14-generic #48-Ubuntu
[153281.364737] Call Trace:
[153281.364743]  [<ffffffff8105e788>] warn_slowpath_common+0x78/0xb0
[153281.364746]  [<ffffffff8105e81c>] warn_slowpath_fmt+0x3c/0x40
[153281.364749]  [<ffffffff810934dc>] suspend_test_finish+0x7c/0x80
[153281.364753]  [<ffffffff81093289>] suspend_devices_and_enter+0xa9/0xe0
[153281.364756]  [<ffffffff81093398>] enter_state+0xd8/0x110
[153281.364758]  [<ffffffff81092952>] state_store+0x92/0x100
[153281.364764]  [<ffffffff81274197>] kobj_attr_store+0x17/0x20
[153281.364768]  [<ffffffff81184780>] sysfs_write_file+0xe0/0x160
[153281.364772]  [<ffffffff8111ede8>] vfs_write+0xb8/0x1a0
[153281.364776]  [<ffffffff8152bf74>] ? do_page_fault+0x194/0x370
[153281.364779]  [<ffffffff8111f89c>] sys_write+0x4c/0x80
[153281.364783]  [<ffffffff81012002>] system_call_fastpath+0x16/0x1b
[153281.364786] ---[ end trace e850a863972179cc ]---