Public bug reported:
When I press the wireless toggle button on my HP ProBook 4520s, the
system reliably freezes on the kernel level. I have reproduced this bug
all three of the times I tested it. The system becomes frozen to the
point where pressing Alt+SysRq+B will not reboot the system.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-generic 2.6.38-8.42
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: wl
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: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: dylan 1455 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd4900000 irq 43'
Mixer name : 'Intel IbexPeak HDMI'
Components : 'HDA:111d7605,103c1413,00100402
HDA:80862804,80860101,00100000'
Controls : 18
Simple ctrls : 10
Date: Wed Apr 13 18:24:05 2011
HibernationDevice: RESUME=UUID=aa9d6f2c-54b8-4fca-a4f3-72bdde0a9502
MachineType: Hewlett-Packard HP ProBook 4520s
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic
root=UUID=15111736-62c9-449b-8dd3-79a540a92cad ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-2.6.38-8-generic N/A
linux-backports-modules-2.6.38-8-generic N/A
linux-firmware 1.50
SourcePackage: linux
StagingDrivers: brcm80211
Title: [STAGING]
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/18/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68AZZ Ver. F.0F
dmi.board.name: 1413
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 57.34
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvr68AZZVer.F.0F:bd02/18/2011:svnHewlett-Packard:pnHPProBook4520s:pvr:rvnHewlett-Packard:rn1413:rvrKBCVersion57.34:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ProBook 4520s
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug kernel-net natty needs-upstream-testing staging
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https://bugs.launchpad.net/bugs/760313
Title:
[STAGING] Pressing the wireless toggle button on an HP ProBook 4520s
freezes the system
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