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Message #05986
[Bug 1021069] Re: BUG: unable to handle kernel NULL pointer dereference at 00000020; EIP is at sysfs_do_create_link+0x23/0x1d0
David Gerard, as per
http://www.dell.com/support/troubleshooting/us/en/19/Product/inspiron-
mini1012 an update is available for your BIOS (A12). If you update to
this, does it change anything?
If not, could you please both specify what happened, and provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful.
Thank you for your understanding.
** Tags added: bios-outdated-a12
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Summary changed:
- BUG: unable to handle kernel NULL pointer dereference at 00000020; EIP is at sysfs_do_create_link+0x23/0x1d0
+ [Dell Inspiron Mini 1012] BUG: unable to handle kernel NULL pointer dereference at 00000020; EIP is at sysfs_do_create_link+0x23/0x1d0
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https://bugs.launchpad.net/bugs/1021069
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:
Incomplete
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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