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[Bug 1021069] Re: [Dell Inspiron Mini 1012] BUG: unable to handle kernel NULL pointer dereference at 00000020; EIP is at sysfs_do_create_link+0x23/0x1d0

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1021069@xxxxxxxxxxxxxxxxxx>
Date: Sun, 13 Oct 2013 04:17:37 -0000
Reply-to: Bug 1021069 <1021069@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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Title:
  [Dell Inspiron Mini 1012] BUG: unable to handle kernel NULL pointer
  dereference at 00000020; EIP is at sysfs_do_create_link+0x23/0x1d0

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Dell Inspiron 1012, Kubuntu 12.04, Wacom Graphire Wireless CTE-630-BT.

  Connecting the tablet via Bluetooth reliably oopses the system,
  crashing X.

  From /var/log/kern.log:

  Jul  4 21:58:44 fenris kernel: [14546.998060] input: WACOM Pen Tablet as /devices/pci0000:00/0000:00:1d.2/usb4/4-2/4-2.3/4-2.3:1.0/bluetooth/hci0/hci0:12/input11
  Jul  4 21:58:44 fenris kernel: [14547.001886] wacom 0005:056A:0081.0003: input,hidraw1: BLUETOOTH HID v1.00 Mouse [WACOM Pen Tablet] on 50:63:13:89:F7:23
  Jul  4 21:58:45 fenris kernel: [14548.450160] BUG: unable to handle kernel NULL pointer dereference at 00000020
  Jul  4 21:58:45 fenris kernel: [14548.450357] IP: [<c11a7de3>] sysfs_do_create_link+0x23/0x1d0
  Jul  4 21:58:45 fenris kernel: [14548.450517] *pdpt = 000000003245e001 *pde = 0000000000000000 
  Jul  4 21:58:45 fenris kernel: [14548.450673] Oops: 0000 [#1] SMP 
  Jul  4 21:58:45 fenris kernel: [14548.450766] Modules linked in: hid_wacom(+) nls_iso8859_1 nls_cp437 vfat fat hidp rfcomm parport_pc snd_hda_codec_realtek ppdev bnep snd_hda_intel snd_hda_codec btusb snd_hwdep snd_pcm bluetooth snd_seq_midi snd_rawmidi joydev snd_seq_midi_event binfmt_misc dell_laptop compal_laptop snd_seq dcdbas lib80211_crypt_tkip snd_timer wl(P) snd_seq_device mac_hid snd uvcvideo psmouse videodev lib80211 serio_raw soundcore snd_page_alloc lp parport usbhid hid ums_realtek usb_storage uas i915 drm_kms_helper drm r8169 i2c_algo_bit video
  Jul  4 21:58:45 fenris kernel: [14548.452016] 
  Jul  4 21:58:45 fenris kernel: [14548.452016] Pid: 6634, comm: modprobe Tainted: P           O 3.2.0-26-generic-pae #41-Ubuntu Dell Inc. Inspiron 1012/0D3J9P
  Jul  4 21:58:45 fenris kernel: [14548.452016] EIP: 0060:[<c11a7de3>] EFLAGS: 00010202 CPU: 1
  Jul  4 21:58:45 fenris kernel: [14548.452016] EIP is at sysfs_do_create_link+0x23/0x1d0
  Jul  4 21:58:45 fenris kernel: [14548.452016] EAX: 00000008 EBX: f20b3000 ECX: c178eefd EDX: f20b3c6c
  Jul  4 21:58:45 fenris kernel: [14548.452016] ESI: c178eefd EDI: 00000000 EBP: f1dfde08 ESP: f1dfddcc
  Jul  4 21:58:45 fenris kernel: [14548.452016]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
  Jul  4 21:58:45 fenris kernel: [14548.452016] Process modprobe (pid: 6634, ti=f1dfc000 task=f16d71a0 task.ti=f1dfc000)
  Jul  4 21:58:45 fenris kernel: [14548.452016] Stack:
  Jul  4 21:58:45 fenris kernel: [14548.452016]  00000000 f16d71a0 c1079ed0 f1dfddd8 f1dfddd8 f20b3000 00000004 f20b3c64
  Jul  4 21:58:45 fenris kernel: [14548.452016]  f1dfde1c f20b3c6c 00000002 00000000 f20b3000 f1447200 00000000 f1dfde14
  Jul  4 21:58:45 fenris kernel: [14548.452016]  c11a7fa7 00000001 f1dfde1c c1451c8b f1dfde4c f87e4582 f1dfde38 c15a54ad
  Jul  4 21:58:45 fenris kernel: [14548.452016] Call Trace:
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c1079ed0>] ? add_wait_queue+0x50/0x50
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c11a7fa7>] sysfs_create_link+0x17/0x20
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c1451c8b>] power_supply_powers+0x1b/0x20
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<f87e4582>] wacom_probe+0x162/0x2b0 [hid_wacom]
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c15a54ad>] ? _raw_spin_lock_irqsave+0x2d/0x40
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<f86038de>] hid_device_probe+0x8e/0x110 [hid]
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c138463d>] really_probe+0x4d/0x150
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c138dcb9>] ? pm_runtime_barrier+0x49/0xb0
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c138487a>] driver_probe_device+0x3a/0x60
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c1384931>] __driver_attach+0x91/0xa0
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c13848a0>] ? driver_probe_device+0x60/0x60
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c13839b9>] bus_for_each_dev+0x49/0x70
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c1384471>] driver_attach+0x21/0x30
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c13848a0>] ? driver_probe_device+0x60/0x60
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c138414f>] bus_add_driver+0x17f/0x260
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<f8602bd0>] ? hid_disconnect+0x60/0x60 [hid]
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c1384e06>] driver_register+0x66/0x110
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<f86046c5>] __hid_register_driver+0x35/0x70 [hid]
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<f87fa019>] wacom_init+0x19/0x1000 [hid_wacom]
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c1003035>] do_one_initcall+0x35/0x170
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<f87fa000>] ? 0xf87f9fff
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c109603d>] sys_init_module+0xad/0x210
  Jul  4 21:58:45 fenris kernel: [14548.452016]  [<c15ac69f>] sysenter_do_call+0x12/0x28
  Jul  4 21:58:45 fenris kernel: [14548.452016] Code: 00 8d bc 27 00 00 00 00 55 89 e5 57 56 53 83 ec 30 3e 8d 74 26 00 85 c9 89 ce 89 55 e8 0f 84 9e 01 00 00 85 c0 0f 84 5d 01 00 00 <8b> 78 18 ba f2 ff ff ff 85 ff 0f 84 a5 00 00 00 b8 a4 75 9f c1 
  Jul  4 21:58:45 fenris kernel: [14548.452016] EIP: [<c11a7de3>] sysfs_do_create_link+0x23/0x1d0 SS:ESP 0068:f1dfddcc
  Jul  4 21:58:45 fenris kernel: [14548.452016] CR2: 0000000000000020
  Jul  4 21:58:45 fenris kernel: [14548.524332] ---[ end trace 939db32f9dd5a7d2 ]---

  This was fine in 10.10, but the user upgraded when 10.10 reached EOL.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-26-generic-pae 3.2.0-26.41
  ProcVersionSignature: Ubuntu 3.2.0-26.41-generic-pae 3.2.19
  Uname: Linux 3.2.0-26-generic-pae i686
  NonfreeKernelModules: wl
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices:
   Home directory /home/arkady not ours.
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC272 Analog [ALC272 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: i386
  ArecordDevices:
   Home directory /home/arkady not ours.
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC272 Analog [ALC272 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  arkady     1618 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf0e00000 irq 46'
     Mixer name	: 'Realtek ALC272'
     Components	: 'HDA:10ec0272,1028041a,00100001'
     Controls      : 15
     Simple ctrls  : 8
  Date: Wed Jul  4 22:11:14 2012
  HibernationDevice: RESUME=UUID=7ca1e985-9107-4c74-b4b6-7dbcec6c4d42
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MachineType: Dell Inc. Inspiron 1012
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-26-generic-pae root=UUID=1064dab9-8464-4865-9205-deb6d93caca4 ro quiet splash vt.handoff=7
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory /home/arkady not ours.
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-26-generic-pae N/A
   linux-backports-modules-3.2.0-26-generic-pae  N/A
   linux-firmware                                1.79
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/26/2010
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A07
  dmi.board.name: 0D3J9P
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A07
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A07
  dmi.modalias: dmi:bvnDellInc.:bvrA07:bd03/26/2010:svnDellInc.:pnInspiron1012:pvrA07:rvnDellInc.:rn0D3J9P:rvrA07:cvnDellInc.:ct8:cvrA07:
  dmi.product.name: Inspiron 1012
  dmi.product.version: A07
  dmi.sys.vendor: Dell Inc.

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