[290698.436286] ------------[ cut here ]------------
[290698.436295] WARNING: at /build/buildd/linux-2.6.31/kernel/power/suspend_test.c:52 suspend_test_finish+0x80/0x90()
[290698.436298] Hardware name: OptiPlex GX620               
[290698.436300] Component: resume devices
[290698.436302] Modules linked in: isofs udf crc_itu_t nls_iso8859_1 nls_cp437 vfat fat usb_storage binfmt_misc 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 snd ppdev sbp2 soundcore iptable_filter lp ip_tables x_tables psmouse parport_pc serio_raw snd_page_alloc parport dell_wmi dcdbas ohci1394 ieee1394 usbhid radeon ttm drm i2c_algo_bit floppy tg3 intel_agp agpgart
[290698.436341] Pid: 10020, comm: pm-suspend Not tainted 2.6.31-14-generic #48-Ubuntu
[290698.436343] Call Trace:
[290698.436350]  [<c014518d>] warn_slowpath_common+0x6d/0xa0
[290698.436355]  [<c0174e70>] ? suspend_test_finish+0x80/0x90
[290698.436359]  [<c0174e70>] ? suspend_test_finish+0x80/0x90
[290698.436363]  [<c0145206>] warn_slowpath_fmt+0x26/0x30
[290698.436367]  [<c0174e70>] suspend_test_finish+0x80/0x90
[290698.436371]  [<c0174c5f>] suspend_devices_and_enter+0x9f/0xd0
[290698.436377]  [<c056e41c>] ? printk+0x18/0x1c
[290698.436381]  [<c0174d49>] enter_state+0xb9/0xf0
[290698.436384]  [<c017443d>] state_store+0x6d/0xb0
[290698.436388]  [<c01743d0>] ? state_store+0x0/0xb0
[290698.436393]  [<c0311a70>] kobj_attr_store+0x20/0x30
[290698.436398]  [<c0239290>] sysfs_write_file+0x90/0x100
[290698.436404]  [<c01e747a>] vfs_write+0x9a/0x190
[290698.436408]  [<c0239200>] ? sysfs_write_file+0x0/0x100
[290698.436412]  [<c0572d4b>] ? do_page_fault+0x19b/0x380
[290698.436416]  [<c01e7f3d>] sys_write+0x3d/0x70
[290698.436421]  [<c010336c>] syscall_call+0x7/0xb
[290698.436424] ---[ end trace f6afe1ae856053dc ]---