apport information ** Tags added: apport-collected oneiric running-unity staging
** Description changed: - If the battery is critically low (so that the Unity battery indicator - has turned red already) and the AC adapter is plugged in, the display - backlight is turned off completely. The screen appears to be completely - black, looking at it closely however reveals that it is still on - - without any backlight. Shutting and reopening the lid as well as - shutting it down completely fixes the condition. This bug occurs - reproducibly on a Thinkpad T420s. + If the battery is critically low (so that the Unity battery indicator has turned red already) and the AC adapter is plugged in, the display backlight is turned off completely. The screen appears to be completely black, looking at it closely however reveals that it is still on - without any backlight. Shutting and reopening the lid as well as shutting it down completely fixes the condition. This bug occurs reproducibly on a Thinkpad T420s. + --- + AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. + ApportVersion: 1.23-0ubuntu4 + Architecture: amd64 + ArecordDevices: + **** List of CAPTURE Hardware Devices **** + card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: florian 1998 F.... pulseaudio + CRDA: Error: [Errno 2] No such file or directory + Card0.Amixer.info: + Card hw:0 'PCH'/'HDA Intel PCH at 0xf1620000 irq 51' + Mixer name : 'Intel CougarPoint HDMI' + Components : 'HDA:14f1506e,17aa21d2,00100002 HDA:80862805,80860101,00100000' + Controls : 21 + Simple ctrls : 9 + Card29.Amixer.info: + Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown' + Mixer name : 'ThinkPad EC (unknown)' + Components : '' + Controls : 1 + Simple ctrls : 1 + Card29.Amixer.values: + Simple mixer control 'Console',0 + Capabilities: pswitch pswitch-joined penum + Playback channels: Mono + Mono: Playback [on] + DistroRelease: Ubuntu 11.10 + HibernationDevice: RESUME=UUID=26874031-4fdb-442d-9bc6-f2f89a0a3113 + InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) + MachineType: LENOVO 4170CTO + Package: linux (not installed) + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-16-generic root=UUID=83bc2d69-d3b1-42ec-a17f-0b323d98bad0 ro quiet splash i915.i915_enable_rc6=1 pcie_aspm=force vt.handoff=7 + ProcVersionSignature: Ubuntu 3.0.0-16.28-generic 3.0.17 + RelatedPackageVersions: + linux-restricted-modules-3.0.0-16-generic N/A + linux-backports-modules-3.0.0-16-generic N/A + linux-firmware 1.60 + StagingDrivers: mei + Tags: oneiric running-unity staging + Uname: Linux 3.0.0-16-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare + dmi.bios.date: 07/11/2011 + dmi.bios.vendor: LENOVO + dmi.bios.version: 8CET46WW (1.26 ) + dmi.board.asset.tag: Not Available + dmi.board.name: 4170CTO + dmi.board.vendor: LENOVO + dmi.board.version: Not Available + dmi.chassis.asset.tag: No Asset Information + dmi.chassis.type: 10 + dmi.chassis.vendor: LENOVO + dmi.chassis.version: Not Available + dmi.modalias: dmi:bvnLENOVO:bvr8CET46WW(1.26):bd07/11/2011:svnLENOVO:pn4170CTO:pvrThinkPadT420s:rvnLENOVO:rn4170CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: + dmi.product.name: 4170CTO + dmi.product.version: ThinkPad T420s + dmi.sys.vendor: LENOVO ** Attachment added: "AcpiTables.txt" https://bugs.launchpad.net/bugs/921323/+attachment/2794166/+files/AcpiTables.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/921323 Title: Display backlight is turned off completely when AC adapter is plugged in while battery is critically low To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/921323/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
