------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.31/net/sched/sch_generic.c:246 dev_watchdog+0x1f6/0x210()
Hardware name: U-100
NETDEV WATCHDOG: wlan0 (r8180): transmit queue 0 timed out
Modules linked in: aes_i586 aes_generic binfmt_misc ppdev rtl8187se(C) lp parport snd_hda_codec_realtek joydev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event iptable_filter snd_seq uvcvideo snd_timer psmouse snd_seq_device ip_tables serio_raw videodev dm_crypt v4l1_compat snd x_tables soundcore snd_page_alloc fbcon tileblit font bitblit softcursor i915 drm i2c_algo_bit usb_storage intel_agp agpgart r8169 mii video output
Pid: 1613, comm: pulseaudio Tainted: G         C 2.6.31-14-generic #48-Ubuntu
Call Trace:
 [<c014518d>] warn_slowpath_common+0x6d/0xa0
 [<c04b07c6>] ? dev_watchdog+0x1f6/0x210
 [<c04b07c6>] ? dev_watchdog+0x1f6/0x210
 [<c0145206>] warn_slowpath_fmt+0x26/0x30
 [<c04b07c6>] dev_watchdog+0x1f6/0x210
 [<c0157fdb>] ? insert_work+0x5b/0xa0
 [<c0127c38>] ? default_spin_lock_flags+0x8/0x10
 [<c05707da>] ? _spin_lock_irqsave+0x2a/0x40
 [<c0158371>] ? __queue_work+0x31/0x40
 [<c01501b7>] run_timer_softirq+0x117/0x200
 [<c016a125>] ? tick_dev_program_event+0x45/0xe0
 [<c04b05d0>] ? dev_watchdog+0x0/0x210
 [<c014b3b0>] __do_softirq+0x90/0x1a0
 [<c015ff63>] ? hrtimer_interrupt+0x183/0x210
 [<c014b4fd>] do_softirq+0x3d/0x40
 [<c014b63d>] irq_exit+0x5d/0x70
 [<c011dcf7>] smp_apic_timer_interrupt+0x57/0x90
 [<c0103d71>] apic_timer_interrupt+0x31/0x40
---[ end trace 96e2c534a6fae55d ]---