BUG: unable to handle kernel paging request at 0000e3cd
IP: [<c0493232>] skb_release_data+0x52/0xa0
*pde = 36270067 *pte = 00000000 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:08/PNP0C09:00/PNP0C0A:00/power_supply/BAT0/charge_full
Modules linked in: aes_i586 aes_generic binfmt_misc ppdev snd_hda_codec_intelhdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss pcmcia snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer arc4 yenta_socket joydev iptable_filter rsrc_nonstatic ecb snd_seq_device ip_tables acer_wmi pcmcia_core psmouse ath9k snd x_tables serio_raw soundcore mac80211 lp led_class parport snd_page_alloc ath cfg80211 fbcon tileblit font bitblit softcursor usbhid tg3 i915 drm i2c_algo_bit intel_agp agpgart video output

Pid: 688, comm: phy0 Not tainted (2.6.31-14-generic #48-Ubuntu) Extensa 5230                   
EIP: 0060:[<c0493232>] EFLAGS: 00010202 CPU: 0
EIP is at skb_release_data+0x52/0xa0
EAX: 0000e3cd EBX: f6402780 ECX: f6402780 EDX: f4893540
ESI: f6402780 EDI: f6402780 EBP: f6479d94 ESP: f6479d8c
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process phy0 (pid: 688, ti=f6478000 task=f6713ed0 task.ti=f6478000)
Stack:
 f6402780 00000009 f6479da0 c0492da2 f6a081a0 f6479da8 c0492e3c f6479de4
<0> f8eeaeaf 00000000 00000000 00000000 00000000 f6a09148 00000000 f48934c4
<0> f48934c0 f64027a0 f6402780 f6402780 f6a089f4 00000000 f6479e1c f8faab24
Call Trace:
 [<c0492da2>] ? __kfree_skb+0x12/0x90
 [<c0492e3c>] ? consume_skb+0x1c/0x40
 [<f8eeaeaf>] ? ieee80211_tx_status+0x43f/0x470 [mac80211]
 [<f8faab24>] ? ath_tx_complete+0x124/0x150 [ath9k]
 [<f8fa0df7>] ? ath9k_hw_setup_calibration+0x97/0x140 [ath9k]
 [<f8faabc1>] ? ath_tx_complete_buf+0x71/0xc0 [ath9k]
 [<c014b405>] ? __do_softirq+0xe5/0x1a0
 [<f8fabf94>] ? ath_draintxq+0x134/0x280 [ath9k]
 [<f8fad1ee>] ? ath_drain_all_txq+0xce/0x140 [ath9k]
 [<f8fa90e2>] ? ath_set_channel+0x82/0x200 [ath9k]
 [<f8fa5aae>] ? ath_update_chainmask+0x7e/0x90 [ath9k]
 [<f8fa9407>] ? ath9k_config+0x1a7/0x200 [ath9k]
 [<f8eea972>] ? ieee80211_hw_config+0x72/0xb0 [mac80211]
 [<f8eef146>] ? ieee80211_scan_work+0xb6/0x220 [mac80211]
 [<c056e97c>] ? schedule+0x40c/0x730
 [<c0157a7e>] ? run_workqueue+0x6e/0x140
 [<f8eef090>] ? ieee80211_scan_work+0x0/0x220 [mac80211]
 [<c0157bd8>] ? worker_thread+0x88/0xe0
 [<c015c280>] ? autoremove_wake_function+0x0/0x40
 [<c0157b50>] ? worker_thread+0x0/0xe0
 [<c015bf8c>] ? kthread+0x7c/0x90
 [<c015bf10>] ? kthread+0x0/0x90
 [<c0104007>] ? kernel_thread_helper+0x7/0x10
Code: 8d 04 02 85 c0 75 3a 8b 96 ac 00 00 00 0f b7 42 04 66 85 c0 75 33 8b 42 18 85 c0 74 19 c7 42 18 00 00 00 00 eb 05 8d 76 00 89 d8 <8b> 18 e8 27 fc ff ff 85 db 75 f3 8b 86 b0 00 00 00 e8 88 c1 d4 
EIP: [<c0493232>] skb_release_data+0x52/0xa0 SS:ESP 0068:f6479d8c
CR2: 000000000000e3cd
---[ end trace 965b200004843b65 ]---