Public bug reported:
__d_move crashes in second d_ancestor check where it finds that one of parents
for "dentry" variable is NULL.
Call comes from sysfs_lookup->d_move->__d_move. The vfs_stat ioctl was
initiated from Xorg quickly after I tried to switch user.
I have take picture from oops report but I don't have cable for the
camera. But I will upload the picture later when I get my hands on the
cable. Too bad console font was a bit too large to capture the begin of
the oops report.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-12-generic 3.0.0-12.20
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: pniemine 1835 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd4720000 irq 47'
Mixer name : 'Intel IbexPeak HDMI'
Components : 'HDA:111d7603,103c172a,00100202
HDA:11c11040,103c3066,00100200 HDA:80862804,80860101,00100000'
Controls : 19
Simple ctrls : 11
Date: Tue Nov 15 09:51:04 2011
HibernationDevice: RESUME=UUID=63e3472e-a6e0-4ce4-b3a5-aad98c335e05
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
MachineType: Hewlett-Packard HP EliteBook 8440p
PccardctlIdent:
Socket 0:
product info: "RICOH", "Bay8Controller", "", ""
manfid: 0x0000, 0x0000
function: 254 (unknown)
PccardctlStatus:
Socket 0:
3.3V 16-bit PC Card
Subdevice 0 (function 0) bound to driver "pata_pcmcia"
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-12-generic
root=/dev/mapper/username--mobl3-root ro persistent splash quiet vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.0.0-12-generic N/A
linux-backports-modules-3.0.0-12-generic N/A
linux-firmware 1.60
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/25/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68CCU Ver. F.11
dmi.board.name: 172A
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 30.31
dmi.chassis.asset.tag: CZC1111K74
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvr68CCUVer.F.11:bd11/25/2010:svnHewlett-Packard:pnHPEliteBook8440p:pvr:rvnHewlett-Packard:rn172A:rvrKBCVersion30.31:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 8440p
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug oneiric running-unity staging
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https://bugs.launchpad.net/bugs/890569
Title:
Kernel NULL pointer deference in __d_move from vfs_stat ioctl
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