Public bug reported:
Since upgrading my i915 lockups are fixed (yay!) but now I have poor
battery life and I get a lot of spam in dmesg:
WARN_ON(!power_well->count) at
/build/buildd/linux-3.19.0/drivers/gpu/drm/i915/intel_runtime_pm.c:680
intel_display_power_put+0x103/0x170 [i915]()
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-15-generic 3.19.0-15.15
ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
Uname: Linux 3.19.0-15-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: doug 1868 F.... pulseaudio
/dev/snd/controlC0: doug 1868 F.... pulseaudio
Date: Wed Apr 29 03:23:53 2015
HibernationDevice: RESUME=UUID=7048b86e-1bcb-41e3-900d-d8453f419503
InstallationDate: Installed on 2014-12-31 (118 days ago)
InstallationMedia: Lubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
MachineType: LENOVO 20238
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-15-generic.efi.signed
root=UUID=a5b6eaae-04b1-418f-9b9a-5b3f1450bb8b ro
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not
accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.19.0-15-generic N/A
linux-backports-modules-3.19.0-15-generic N/A
linux-firmware 1.143
SourcePackage: linux
UpgradeStatus: Upgraded to vivid on 2015-04-25 (4 days ago)
dmi.bios.date: 10/20/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: 79CN50WW(V3.09)
dmi.board.asset.tag: No Asset Tag
dmi.board.name: INVALID
dmi.board.vendor: LENOVO
dmi.board.version: 31900058Std
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo G510
dmi.modalias:
dmi:bvnLENOVO:bvr79CN50WW(V3.09):bd10/20/2014:svnLENOVO:pn20238:pvrLenovoG510:rvnLENOVO:rnINVALID:rvr31900058Std:cvnLENOVO:ct10:cvrLenovoG510:
dmi.product.name: 20238
dmi.product.version: Lenovo G510
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug vivid
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https://bugs.launchpad.net/bugs/1449893
Title:
i915 dmesg spam and poor battery life
Status in linux package in Ubuntu:
New
Bug description:
Since upgrading my i915 lockups are fixed (yay!) but now I have poor
battery life and I get a lot of spam in dmesg:
WARN_ON(!power_well->count) at
/build/buildd/linux-3.19.0/drivers/gpu/drm/i915/intel_runtime_pm.c:680
intel_display_power_put+0x103/0x170 [i915]()
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-15-generic 3.19.0-15.15
ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
Uname: Linux 3.19.0-15-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: doug 1868 F.... pulseaudio
/dev/snd/controlC0: doug 1868 F.... pulseaudio
Date: Wed Apr 29 03:23:53 2015
HibernationDevice: RESUME=UUID=7048b86e-1bcb-41e3-900d-d8453f419503
InstallationDate: Installed on 2014-12-31 (118 days ago)
InstallationMedia: Lubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
MachineType: LENOVO 20238
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-15-generic.efi.signed
root=UUID=a5b6eaae-04b1-418f-9b9a-5b3f1450bb8b ro
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not
accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.19.0-15-generic N/A
linux-backports-modules-3.19.0-15-generic N/A
linux-firmware 1.143
SourcePackage: linux
UpgradeStatus: Upgraded to vivid on 2015-04-25 (4 days ago)
dmi.bios.date: 10/20/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: 79CN50WW(V3.09)
dmi.board.asset.tag: No Asset Tag
dmi.board.name: INVALID
dmi.board.vendor: LENOVO
dmi.board.version: 31900058Std
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo G510
dmi.modalias:
dmi:bvnLENOVO:bvr79CN50WW(V3.09):bd10/20/2014:svnLENOVO:pn20238:pvrLenovoG510:rvnLENOVO:rnINVALID:rvr31900058Std:cvnLENOVO:ct10:cvrLenovoG510:
dmi.product.name: 20238
dmi.product.version: Lenovo G510
dmi.sys.vendor: LENOVO
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