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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1430883
Title:
continuously receive the message [drm:radeon_acpi_init] "ERROR" Cannot
find a backlight controller
Status in linux package in Ubuntu:
Confirmed
Bug description:
[ 15.021664] rt3290sta: module verification failed: signature and/or
required key missing - tainting kernel
[ 16.182412] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro
[ 24.058014] [drm:radeon_acpi_init] *ERROR* Cannot find a backlight
controller
[ 29.933827] init: failsafe main process (718) killed by TERM signal
[ 32.111669]
/var/lib/dkms/rt3290sta/2.6.0.0/build/src/os/linux/../../common/cmm_asic.c:2608
assert KeyIdx < 4failed
[ 32.111678]
/var/lib/dkms/rt3290sta/2.6.0.0/build/src/os/linux/../../common/cmm_asic.c:2608
assert KeyIdx < 4failed
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-46-generic 3.13.0-46.77
ProcVersionSignature: Ubuntu 3.13.0-46.77-generic 3.13.11-ckt15
Uname: Linux 3.13.0-46-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: eugene 2496 F.... pulseaudio
/dev/snd/controlC0: eugene 2496 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Mar 11 19:02:59 2015
HibernationDevice: RESUME=UUID=b90f8319-66ea-4e2b-8b49-1434ed1e6f6d
InstallationDate: Installed on 2015-03-05 (6 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64
(20140722.2)
MachineType: Hewlett-Packard HP Pavilion 15 Notebook PC
ProcFB:
0 radeondrmfb
1 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-46-generic
root=UUID=e71f0d22-9d1d-4165-a8f5-bd2ac86c28b7 ro quiet splash
acpi_backlight=vendor vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-46-generic N/A
linux-backports-modules-3.13.0-46-generic N/A
linux-firmware 1.127.11
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/03/2014
dmi.bios.vendor: Insyde
dmi.bios.version: F.15
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 216C
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 30.25
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.15:bd06/03/2014:svnHewlett-Packard:pnHPPavilion15NotebookPC:pvr0887100000005E00000600000:rvnHewlett-Packard:rn216C:rvr30.25:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion 15 Notebook PC
dmi.product.version: 0887100000005E00000600000
dmi.sys.vendor: Hewlett-Packard
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