Public bug reported:
When running powertop in natty, the kernel panics after powertop finished
colling data for 5 seconds.
Reproducitbility 100%
[274.448314] Kernel panic - not syncing: stack protector: Kernel stack is
corrupted in ffffffff81d4ef5
[274.448316]
[274.448379] Pid 4343, comm iwpriv Tainted: P
2.6.38-10-generic #46-Ubuntu
[274.448424] Call Trace:
[274.448444] [<ffffffff81c032e>] ? panic+0x91/0x19c
[274.448476] [<ffffffff81d4ef5>] ? dev_ioctl+0x2d5/0x320
[274.448520] [<ffffffff81065aeb>] ? __stack_chk_fail+0x1b/0x20
[274.448555] [<ffffffff814d4ef5>] ? dev_ioctl+0x2d5/0x320
[274.448594] panic occurred, switching back to text console
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/seq: timidity 3329 F.... timidity
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf0900000 irq 43'
Mixer name : 'Conexant CX20583 (Pebble HSF)'
Components : 'HDA:14f15067,1179ffd4,00100302'
Controls : 10
Simple ctrls : 7
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xcbefc000 irq 17'
Mixer name : 'Nvidia GPU 11 HDMI/DP'
Components : 'HDA:10de0011,10de0101,00100100'
Controls : 16
Simple ctrls : 4
DistroRelease: Ubuntu 11.04
HibernationDevice: RESUME=UUID=53b9a24a-78eb-4bbf-a614-a16f705f630a
MachineType: TOSHIBA QOSMIO X500
NonfreeKernelModules: wl
Package: linux (not installed)
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-2.6.38-10-generic
root=/dev/mapper/hostname_vg-root_lv ro DEBCONF_DEBUG=5 quiet
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
RelatedPackageVersions:
linux-restricted-modules-2.6.38-10-generic N/A
linux-backports-modules-2.6.38-10-generic N/A
linux-firmware 1.52
Tags: natty
Uname: Linux 2.6.38-10-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: netdev pkcs11
WifiSyslog:
dmi.bios.date: 12/10/2010
dmi.bios.vendor: TOSHIBA
dmi.bios.version: V2.90
dmi.board.name: QOSMIO X500
dmi.board.vendor: TOSHIBA
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnTOSHIBA:bvrV2.90:bd12/10/2010:svnTOSHIBA:pnQOSMIOX500:pvrPQX33E-04J005DU:rvnTOSHIBA:rnQOSMIOX500:rvrNotApplicable:cvnTOSHIBA:ct10:cvrN/A:
dmi.product.name: QOSMIO X500
dmi.product.version: PQX33E-04J005DU
dmi.sys.vendor: TOSHIBA
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: apport-collected natty
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https://bugs.launchpad.net/bugs/816686
Title:
powertop causes kernel panic
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