Public bug reported:
Binary package hint: gnome-power-manager
I got the latest Ubuntu installed on a Lenovo W520 with graphics set to
Nvidia discrete card. The laptop freezes, however, on power-management
actions, such as brightness change and sleep/wake-up. A particularly
annoying problem is that the machine freezes automatically after a GUI
login if I had started gnome-power-manager previously. I have to remove
the gnome-power-manager settings directory in order to get back in.
If I boot with acpi=off parameter to the kernel things work fine, but
then again no ACPI functionality is available.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: gnome-power-manager 2.32.0-2ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Wed May 4 13:09:50 2011
EcryptfsInUse: Yes
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
GnomeSessionSuspendInhibited: No
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
MachineType: LENOVO 427638U
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=df7a5cd8-18b4-4b7a-92c8-6cc8f3647cc9 ro quiet splash vt.handoff=7
SourcePackage: gnome-power-manager
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/02/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8BET30WW (1.06 )
dmi.board.asset.tag: Not Available
dmi.board.name: 427638U
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:bvr8BET30WW(1.06):bd03/02/2011:svnLENOVO:pn427638U:pvrThinkPadW520:rvnLENOVO:rn427638U:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 427638U
dmi.product.version: ThinkPad W520
dmi.sys.vendor: LENOVO
** Affects: gnome-power-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty running-unity
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https://bugs.launchpad.net/bugs/776999
Title:
Lenovo W520 laptop freezes on ACPI-related actions
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