Public bug reported:
Running perf timechart simply crashes Ubuntu in such a way I need to
reboot my machine. This problem can be easily reproduced by issuing the
following command on the Gnome Terminal:
$ perf timechart record -f -a -e cache-misses sleep 11
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-tools-common 2.6.32-33.72
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.32-33.72-generic 2.6.32.41+drm33.18
Uname: Linux 2.6.32-33-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
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/controlC0: wainersm 1966 F.... pulseaudio
/dev/snd/pcmC0D0p: wainersm 1966 F...m pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfc020000 irq 17'
Mixer name : 'Conexant CX20561 (Hermosa)'
Components : 'HDA:14f15051,17aa211c,00100000'
Controls : 14
Simple ctrls : 7
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
7VHT16WW-1.06'
Mixer name : 'ThinkPad EC 7VHT16WW-1.06'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Fri Sep 2 10:51:46 2011
Dependencies:
HibernationDevice: RESUME=UUID=a99f321a-eb88-4250-b832-fc01965d2f6c
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
MachineType: LENOVO 6474EQ7
PackageArchitecture: all
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-33-generic
root=UUID=1e698378-96e5-4a41-bddc-16e197b67f63 ro
crashkernel=384M-2G:64M,2G-:128M quiet splash
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.utf8
SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.34.7
SourcePackage: linux
dmi.bios.date: 04/19/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 7UET86WW (3.16 )
dmi.board.name: 6474EQ7
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr7UET86WW(3.16):bd04/19/2010:svnLENOVO:pn6474EQ7:pvrThinkPadT400:rvnLENOVO:rn6474EQ7:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 6474EQ7
dmi.product.version: ThinkPad T400
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: apport-bug i386 lucid needs-upstream-testing
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https://bugs.launchpad.net/bugs/839593
Title:
perf timechart crashes ubuntu kernel (2.6.32-33-generic)
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