------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.38/kernel/workqueue.c:1209 worker_enter_idle+0xe3/0x150()
Hardware name: HP Pavilion dv5 Notebook PC
Modules linked in: binfmt_misc parport_pc ppdev vesafb snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm ir_lirc_codec snd_seq_midi lirc_dev snd_rawmidi fglrx(P) ir_sony_decoder arc4 snd_seq_midi_event ir_jvc_decoder snd_seq ir_rc6_decoder snd_timer snd_seq_device rc_rc6_mce ir_rc5_decoder jmb38x_ms uvcvideo ath5k ath videodev ir_nec_decoder ene_ir psmouse rc_core memstick mac80211 v4l2_compat_ioctl32 snd serio_raw joydev sp5100_tco cfg80211 soundcore snd_page_alloc hp_wmi video sparse_keymap hp_accel lis3lv02d input_polldev k10temp i2c_piix4 lp parport usbhid hid ahci firewire_ohci firewire_core r8169 sdhci_pci sdhci pata_atiixp libahci crc_itu_t
Pid: 2663, comm: kworker/1:2 Tainted: P            2.6.38-8-generic #42-Ubuntu
Call Trace:
 [<ffffffff81065cef>] ? warn_slowpath_common+0x7f/0xc0
 [<ffffffff81065d4a>] ? warn_slowpath_null+0x1a/0x20
 [<ffffffff810800e3>] ? worker_enter_idle+0xe3/0x150
 [<ffffffff81083358>] ? worker_thread+0x228/0x360
 [<ffffffff81083130>] ? worker_thread+0x0/0x360
 [<ffffffff810877e6>] ? kthread+0x96/0xa0
 [<ffffffff8100ce24>] ? kernel_thread_helper+0x4/0x10
 [<ffffffff81087750>] ? kthread+0x0/0xa0
 [<ffffffff8100ce20>] ? kernel_thread_helper+0x0/0x10
---[ end trace 08346fb1bc16550d ]---