Public bug reported:
On HP Pavilion dv6 the laptop display does not turn back on when resuming from
suspend.
External monitor wakes up just fine and the computer works normally except for
the build in display which remains black.
It should be noted that this is a dual graphics laptop (lspci | grep
VGA):
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
BeaverCreek [Radeon HD 6520G]
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Whistler [Radeon HD 6630M/6650M/6750M/7670M/7690M] (rev ff)
Using Ubuntu 14.04 LTS.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified:
boot/vmlinuz-3.13.0-24-generic]
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: markus 1907 F.... pulseaudio
/dev/snd/controlC0: markus 1907 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon Apr 28 18:53:18 2014
HibernationDevice: RESUME=UUID=ab1af41b-a639-463f-b406-431c8778f79d
InstallationDate: Installed on 2014-04-27 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
ProcFB:
0 radeondrmfb
1 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic
root=UUID=8b0f125d-261b-4d22-939f-546340147d79 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-24-generic N/A
linux-backports-modules-3.13.0-24-generic N/A
linux-firmware 1.127
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/13/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.20
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 358D
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 33.18
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.20:bd07/13/2011:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr058F110000244610000620100:rvnHewlett-Packard:rn358D:rvr33.18:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 058F110000244610000620100
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1313804
Title:
Laptop display does not turn back on after resuming from suspend on HP
Pavilion dv6
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