------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.35/drivers/usb/host/ehci-hcd.c:1071 ehci_endpoint_reset+0x10c/0x120()
Hardware name: PORTEGE M800
clear_halt for a busy endpoint
Modules linked in: binfmt_misc parport_pc ppdev dm_crypt rfcomm sco usblp bnep l2cap snd_usb_audio snd_pcm arc4 snd_page_alloc snd_hwdep snd_usbmidi_lib snd_seq_midi snd_rawmidi snd_seq_midi_event btusb joydev bluetooth snd_seq snd_timer snd_seq_device iwlagn iwlcore lp mac80211 parport uvcvideo psmouse cfg80211 serio_raw videodev v4l1_compat v4l2_compat_ioctl32 snd toshiba_bluetooth soundcore dm_raid45 xor usbhid hid i915 drm_kms_helper drm i2c_algo_bit sky2 firewire_ohci firewire_core crc_itu_t intel_agp ahci video libahci output
Pid: 653, comm: python Not tainted 2.6.35-22-generic #33-Ubuntu
Call Trace:
 [<ffffffff8106077f>] warn_slowpath_common+0x7f/0xc0
 [<ffffffff81060876>] warn_slowpath_fmt+0x46/0x50
 [<ffffffff81036dd9>] ? default_spin_lock_flags+0x9/0x10
 [<ffffffff8141e34c>] ehci_endpoint_reset+0x10c/0x120
 [<ffffffff814041b2>] usb_hcd_reset_endpoint+0x22/0x70
 [<ffffffff81407cf7>] usb_reset_endpoint+0x27/0x40
 [<ffffffff81408f3b>] usb_clear_halt+0x6b/0x80
 [<ffffffff814135d9>] usbdev_do_ioctl+0x549/0x1300
 [<ffffffff81522410>] ? unix_state_double_lock+0x60/0x70
 [<ffffffff81488228>] ? sys_sendto+0x178/0x180
 [<ffffffff814143be>] usbdev_ioctl+0xe/0x20
 [<ffffffff8116295d>] vfs_ioctl+0x3d/0xd0
 [<ffffffff81163231>] do_vfs_ioctl+0x81/0x340
 [<ffffffff811529c2>] ? vfs_write+0x132/0x1a0
 [<ffffffff81163571>] sys_ioctl+0x81/0xa0
 [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b
---[ end trace 3185a259d779bc5a ]---