BUG: unable to handle kernel paging request at 0000100c
IP: [<c0124428>] __ticket_spin_lock+0x8/0x20
*pde = 7a14d067 
Oops: 0002 [#1] SMP 
last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0/charge_full
Modules linked in: ppp_async crc_ccitt option usbserial binfmt_misc ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp kvm_intel kvm deflate zlib_deflate ctr twofish twofish_common camellia serpent blowfish cast5 des_generic cbc aes_i586 aes_generic xcbc rmd160 sha256_generic sha1_generic crypto_null af_key dm_crypt lp snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy arc4 snd_seq_oss ecb snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq iwlagn iwlcore snd_timer psmouse joydev serio_raw snd_seq_device ppdev hp_accel lis3lv02d mac80211 snd tpm_infineon tpm tpm_bios cfg80211 soundcore snd_page_alloc parport_pc input_polldev parport led_class xfs exportfs ohci1394 tg3 ieee1394 usbhid usb_storage raid10 raid456 raid6_pq async_xor async_memcpy async_tx xor raid1 raid0 multipath linear fbcon tileblit font bitblit softcurso
r i915 drm i2c_algo_bit video output intel_agp agpgart

Pid: 297, comm: khubd Not tainted (2.6.31-5-generic #24-Ubuntu) HP Compaq 6530b (NA407UC#ABB)
EIP: 0060:[<c0124428>] EFLAGS: 00010096 CPU: 0
EIP is at __ticket_spin_lock+0x8/0x20
EAX: 0000100c EBX: 00000296 ECX: 0000100c EDX: 00000100
ESI: 0000100c EDI: f46942a0 EBP: f72bddc8 ESP: f72bddc8
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process khubd (pid: 297, ti=f72bc000 task=f72fcb60 task.ti=f72bc000)
Stack:
 f72bddd0 c01244b8 f72bdde4 c056b7fa 00001004 0000100c f46942a0 f72bddf8
<0> c037e7dd 00001000 00000009 f46942a0 f72bde20 fc97b04b 00000003 f72bde20
<0> c0407f69 00000000 c1282300 c1282300 c128231c fc9b52e0 f72bde3c c040aff9
Call Trace:
 [<c01244b8>] ? default_spin_lock_flags+0x8/0x10
 [<c056b7fa>] ? _spin_lock_irqsave+0x2a/0x40
 [<c037e7dd>] ? tty_port_tty_get+0x1d/0x50
 [<fc97b04b>] ? usb_serial_disconnect+0x6b/0x160 [usbserial]
 [<c0407f69>] ? usb_disable_interface+0x39/0x50
 [<c040aff9>] ? usb_unbind_interface+0xe9/0x120
 [<c039a4ae>] ? __device_release_driver+0x3e/0x90
 [<c039a5c0>] ? device_release_driver+0x20/0x40
 [<c03998f3>] ? bus_remove_device+0x73/0x90
 [<c039805f>] ? device_del+0xef/0x150
 [<c0407ebd>] ? usb_disable_device+0x7d/0xf0
 [<c0402b0e>] ? usb_disconnect+0x9e/0x110
 [<c0402ebd>] ? hub_port_connect_change+0x7d/0x830
 [<c0408b80>] ? usb_control_msg+0xd0/0x120
 [<c0400100>] ? usb_ifnum_to_if+0x30/0x50
 [<c0404725>] ? hub_events+0x1f5/0x500
 [<c056999c>] ? schedule+0x40c/0x730
 [<c0156a0a>] ? finish_wait+0x4a/0x70
 [<c0404a65>] ? hub_thread+0x35/0x150
 [<c01568b0>] ? autoremove_wake_function+0x0/0x40
 [<c0404a30>] ? hub_thread+0x0/0x150
 [<c01565c4>] ? kthread+0x74/0x80
 [<c0156550>] ? kthread+0x0/0x80
 [<c0103f17>] ? kernel_thread_helper+0x7/0x10
Code: ff ff 90 b9 da 42 12 c0 b8 dd 42 12 c0 e9 59 ff ff ff 90 b9 e0 42 12 c0 b8 e3 42 12 c0 e9 49 ff ff ff 90 55 ba 00 01 00 00 89 e5 <f0> 66 0f c1 10 38 f2 74 06 f3 90 8a 10 eb f6 5d c3 8d b4 26 00 
EIP: [<c0124428>] __ticket_spin_lock+0x8/0x20 SS:ESP 0068:f72bddc8
CR2: 000000000000100c
---[ end trace 547ff3d233da2614 ]---