------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.28/kernel/power/main.c:177 suspend_test_finish+0x7c/0x80()
Component: resume devices
Modules linked in: nfs lockd nfs_acl sunrpc binfmt_misc nouveau drm bridge stp bnep video output input_polldev lp snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device k8temp snd psmouse soundcore snd_page_alloc ppdev i2c_nforce2 serio_raw pcspkr usbhid parport_pc parport usb_storage forcedeth ohci1394 ieee1394 vesafb fbcon tileblit font bitblit softcursor
Pid: 8849, comm: pm-suspend Not tainted 2.6.28-11-generic #42-Ubuntu
Call Trace:
 [<ffffffff80250927>] warn_slowpath+0xb7/0xf0
 [<ffffffff8026d478>] ? down_trylock+0x38/0x50
 [<ffffffff80251040>] ? try_acquire_console_sem+0x10/0x40
 [<ffffffff8025c676>] ? lock_timer_base+0x36/0x70
 [<ffffffff80531f4f>] ? usb_suspend_both+0x26f/0x310
 [<ffffffff8069bf36>] ? printk+0x67/0x69
 [<ffffffff80418877>] ? kobject_put+0x27/0x60
 [<ffffffff804b6045>] ? put_device+0x15/0x20
 [<ffffffff804be06a>] ? dpm_complete+0x18a/0x1a0
 [<ffffffff8028003c>] suspend_test_finish+0x7c/0x80
 [<ffffffff80280124>] suspend_devices_and_enter+0xe4/0x180
 [<ffffffff802803d9>] enter_state+0xe9/0x120
 [<ffffffff802804ca>] state_store+0xba/0x100
 [<ffffffff80418717>] kobj_attr_store+0x17/0x20
 [<ffffffff80347675>] sysfs_write_file+0xc5/0x140
 [<ffffffff802e7eeb>] vfs_write+0xcb/0x130
 [<ffffffff802e8040>] sys_write+0x50/0x90
 [<ffffffff8021253a>] system_call_fastpath+0x16/0x1b
---[ end trace d3f9ca04f6d0f959 ]---