Public bug reported:
I have a buggy dsdt that keeps my laptop from waking. The _WAK method in
my dsdt has no return value. When I use a custom dsdt and add a return
value from the ACPI specs, it works properly (Return(Package(0x02){0x00,
0x00}). When waking, it returns to blank screen. This affects all kernel
versions. My dsdt was compiled by Nvidia with the MSFT compiler. It is
not ACPI compliant. I have attached my original and custom dsdt's.
ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
HibernationDevice: RESUME=UUID=4fb40fc9-3020-4da4-836b-3e209ff74240
Lsusb:
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 045e:00e1 Microsoft Corp. Wireless Laser Mouse 6000
Reciever
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Hewlett-Packard HP Pavilion dv6700 Notebook PC
NonfreeKernelModules: nvidia
Package: linux-image-2.6.28-15-generic 2.6.28-15.48
ProcCmdLine: root=UUID=7d423cf8-a1c7-4889-b791-9a2b308908fa ro quiet splash
acpi_osi="Linux" rootflags=data=writeback
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.28-15.48-generic
SourcePackage: linux
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
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HP dv6815nr doesn't wake from hibernation
https://bugs.launchpad.net/bugs/412216
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