[192062.456331] ------------[ cut here ]------------
[192062.456333] WARNING: at /build/buildd/linux-2.6.28/kernel/power/main.c:177 suspend_test_finish+0x80/0x90()
[192062.456335] Component: resume devices
[192062.456337] Modules linked in: usb_storage isofs udf crc_itu_t binfmt_misc i915 drm bridge stp bnep vboxnetflt vboxdrv input_polldev video output nls_iso8859_1 nls_cp437 vfat fat 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 psmouse iTCO_wdt iTCO_vendor_support snd soundcore ppdev serio_raw pcspkr intel_agp snd_page_alloc parport_pc parport agpgart usbhid tg3 floppy fbcon tileblit font bitblit softcursor
[192062.456367] Pid: 20287, comm: pm-suspend Not tainted 2.6.28-11-generic #38-Ubuntu
[192062.456369] Call Trace:
[192062.456375]  [<c0139ab0>] warn_slowpath+0x60/0x80
[192062.456380]  [<c01537fa>] ? down_trylock+0x2a/0x40
[192062.456383]  [<c013a10d>] ? try_acquire_console_sem+0xd/0x30
[192062.456388]  [<c02c7290>] ? kobject_put+0x20/0x50
[192062.456391]  [<c0500e56>] ? printk+0x18/0x1a
[192062.456394]  [<c0164fd0>] suspend_test_finish+0x80/0x90
[192062.456397]  [<c01650a6>] suspend_devices_and_enter+0xc6/0x160
[192062.456400]  [<c0500e56>] ? printk+0x18/0x1a
[192062.456403]  [<c0165329>] enter_state+0xc9/0x100
[192062.456405]  [<c01653dd>] state_store+0x7d/0xc0
[192062.456408]  [<c0165360>] ? state_store+0x0/0xc0
[192062.456411]  [<c02c7154>] kobj_attr_store+0x24/0x30
[192062.456414]  [<c020ab02>] sysfs_write_file+0x92/0xf0
[192062.456418]  [<c01bdab8>] vfs_write+0x98/0x110
[192062.456421]  [<c020aa70>] ? sysfs_write_file+0x0/0xf0
[192062.456424]  [<c01bdbed>] sys_write+0x3d/0x70
[192062.456427]  [<c0103f6b>] sysenter_do_call+0x12/0x2f
[192062.456429] ---[ end trace 5596eb3408777cd4 ]---