Public bug reported: CID: 201306-13745 HP Probook 6570b
This system was certified with 12.04.2 [1], but the brightness does not work on 12.04.5 The brightness level indicator would change with hotkey events, but the brightness itself does not. Debugging information: ubuntu@201306-13745:~$ ls /sys/class/backlight acpi_video0 intel_backlight ubuntu@201306-13745:~$ grep -r . /proc/acpi /proc/acpi/battery/BAT1/alarm:present: no /proc/acpi/battery/BAT1/state:present: no /proc/acpi/battery/BAT1/info:present: no /proc/acpi/battery/BAT0/alarm:alarm: unsupported /proc/acpi/battery/BAT0/state:present: yes /proc/acpi/battery/BAT0/state:capacity state: ok /proc/acpi/battery/BAT0/state:charging state: charged /proc/acpi/battery/BAT0/state:present rate: 0 mA /proc/acpi/battery/BAT0/state:remaining capacity: 4907 mAh /proc/acpi/battery/BAT0/state:present voltage: 12435 mV /proc/acpi/battery/BAT0/info:present: yes /proc/acpi/battery/BAT0/info:design capacity: 4932 mAh /proc/acpi/battery/BAT0/info:last full capacity: 4932 mAh /proc/acpi/battery/BAT0/info:battery technology: rechargeable /proc/acpi/battery/BAT0/info:design voltage: 10800 mV /proc/acpi/battery/BAT0/info:design capacity warning: 200 mAh /proc/acpi/battery/BAT0/info:design capacity low: 100 mAh /proc/acpi/battery/BAT0/info:cycle count: 0 /proc/acpi/battery/BAT0/info:capacity granularity 1: 100 mAh /proc/acpi/battery/BAT0/info:capacity granularity 2: 100 mAh /proc/acpi/battery/BAT0/info:model number: Primary /proc/acpi/battery/BAT0/info:serial number: 59312 2013/03/07 /proc/acpi/battery/BAT0/info:battery type: LIon /proc/acpi/battery/BAT0/info:OEM info: Hewlett-Packard /proc/acpi/button/lid/LID/state:state: open /proc/acpi/wakeup:Device S-state Status Sysfs node /proc/acpi/wakeup:LANC S5 *enabled pci:0000:00:19.0 /proc/acpi/wakeup:EHC1 S0 *enabled pci:0000:00:1d.0 /proc/acpi/wakeup:EHC2 S0 *enabled pci:0000:00:1a.0 /proc/acpi/wakeup:XHC S0 *enabled pci:0000:00:14.0 /proc/acpi/wakeup:PCIB S5 *disabled /proc/acpi/wakeup:RP02 S4 *disabled pci:0000:00:1c.1 /proc/acpi/wakeup:ECF0 S4 *disabled /proc/acpi/wakeup:RP03 S4 *disabled pci:0000:00:1c.2 /proc/acpi/wakeup:RP04 S5 *disabled pci:0000:00:1c.3 /proc/acpi/wakeup:WNIC S5 *disabled pci:0000:24:00.0 ubuntu@201306-13745:~$ dmesg | grep 'ACPI: Video' [ 9.589102] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no) ubuntu@201306-13745:~$ [1] http://www.ubuntu.com/certification/hardware/201306-13745/ ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.13.0-34-generic 3.13.0-34.60~precise1 ProcVersionSignature: Ubuntu 3.13.0-34.60~precise1-generic 3.13.11.4 Uname: Linux 3.13.0-34-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-34-generic. ApportVersion: 2.0.1-0ubuntu17.7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ubuntu 1919 F.... pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xd4730000 irq 49' Mixer name : 'Intel PantherPoint HDMI' Components : 'HDA:111d7605,103c17b7,00100107 HDA:80862806,80860101,00100000' Controls : 53 Simple ctrls : 18 Date: Tue Aug 19 22:32:50 2014 HibernationDevice: RESUME=UUID=40b3ec1e-30dd-4f84-97d0-50cc592094bd InstallationMedia: Ubuntu 12.04.5 LTS "Precise Pangolin" - Release amd64 (20140807.1) MachineType: Hewlett-Packard HP ProBook 6570b MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-34-generic root=UUID=3a68144b-91cb-46a6-9be4-cec8c83f33d7 ro quiet splash initcall_debug vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-34-generic N/A linux-backports-modules-3.13.0-34-generic N/A linux-firmware 1.79.16 SourcePackage: linux-lts-trusty UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/31/2013 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68ICE Ver. F.40 dmi.board.name: 17AB dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 42.32 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68ICEVer.F.40:bd01/31/2013:svnHewlett-Packard:pnHPProBook6570b:pvrA1029D1102:rvnHewlett-Packard:rn17AB:rvrKBCVersion42.32:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP ProBook 6570b dmi.product.version: A1029D1102 dmi.sys.vendor: Hewlett-Packard ** Affects: linux-lts-trusty (Ubuntu) Importance: Medium Status: New ** Tags: 201306-13745 amd64 apport-bug blocks-hwcert precise qa-kernel-lts-testing regression-release running-unity taipei-lab ** Attachment added: "DSDT.dsl" https://bugs.launchpad.net/bugs/1359010/+attachment/4182074/+files/DSDT.dsl -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1359010 Title: [HP Probook 6570b] Unable to control brightness on 12.04.5 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1359010/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
