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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/760313 Title: [STAGING] Pressing the wireless toggle button on an HP ProBook 4520s freezes the system -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs