[Kernel-packages] [Bug 853244] Re: 8086:0046 Acer Aspire 5742Z brightness keys not working
Hi Christopher, as mentioned in my other kernel related bug reports I just didn't know that launchpad wasn't the appropriate place to report kernel bugs. So for some of my bug reports I provided feedback for 3-4 years and the only result I got was the occasional "can we close it now?" answer. I'll be reporting them upstream from now on, except for any ubuntu-specific ones, so feel free to close this one too. Thanks, and wishes for a happy new year to you. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/853244 Title: 8086:0046 Acer Aspire 5742Z brightness keys not working Status in The Linux Kernel: New Status in “linux” package in Ubuntu: Incomplete Bug description: In 2.6.32 (Lucid) there's an /sys/devices/virtual/backlight/acpi_video0 interface for Aspire 5742Z, and brightness hotkeys do modify the values of the files in that dir, but the actual laptop brightness isn't changed. In 3.0.0-9 (Oneiric beta 1) there's no /sys/devices/virtual/backlight interface at all. If I boot with acpi=off, the brightness keys correctly modify brightness, but of course I lose all other ACPI functionality. I tried some of the other acpi-related kernel parameters (acpi_backlight=vendor etc) mentioned in * https://wiki.ubuntu.com/Kernel/Debugging/Backlight * https://wiki.ubuntu.com/DebuggingACPI * www.kernel.org/doc/Documentation/kernel-parameters.txt * http://www.lesswatts.org/projects/acpi/debug.php to no avail, brightness only works with acpi=off or acpi=ht. I tried the fwts tool for ACPI testing, and it produced some errors, I'm attaching the output. I also tried playing with acpiexec, but calling the _BCM method didn't change the brightness either. WORKAROUND: echo 123 > /sys/class/backlight/intel_backlight/brightness WORKAROUND: If I boot with `acpi_osi=Linux` in the kernel command line, I can change the brightness, but the brightness window doesn't pop up. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-24-generic 3.2.0-24.37 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14 Uname: Linux 3.2.0-24-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu7 Architecture: amd64 ArecordDevices: List of CAPTURE Hardware Devices card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: alkisg 1705 F xfce4-volumed alkisg 1736 F pulseaudio Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xb440 irq 44' Mixer name : 'Intel IbexPeak HDMI' Components : 'HDA:10ec0272,10250487,0011 HDA:80862804,80860101,0010' Controls : 27 Simple ctrls : 13 Date: Fri May 18 07:51:58 2012 HibernationDevice: RESUME=UUID=52f7a35f-fad8-4c9d-baf1-3d3087278f3c InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Alpha amd64 (20120201.1) Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 064e:c21c Suyin Corp. MachineType: Acer Aspire 5742Z ProcEnviron: LANGUAGE=el:en TERM=xterm PATH=(custom, no user) LANG=el_GR.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic root=UUID=9ba52df4-ec9e-4e1c-bbd7-322f50437f94 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.2.0-24-generic N/A linux-backports-modules-3.2.0-24-generic N/A linux-firmware 1.79 SourcePackage: linux StagingDrivers: mei UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/10/2011 dmi.bios.vendor: Acer dmi.bios.version: V1.24 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: Aspire 5742Z dmi.board.vendor: Acer dmi.board.version: V1.24 dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.24 dmi.modalias: dmi:bvnAcer:bvrV1.24:bd08/10/2011:svnAcer:pnAspire5742Z:pvrV1.24:rvnAcer:rnAspire5742Z:rvrV1.24:cvnAcer:ct10:cvrV1.24: dmi.product.name: Aspire 5742Z dmi.product.version: V1.24 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/853244/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 853244] Re: 8086:0046 Acer Aspire 5742Z brightness keys not working
Alkis Georgopoulos, could you please provide the URL to the upstream mailing list post? As well, could you please test the latest mainline kernel via http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13-rc5-trusty/ and advise to the results? ** Tags removed: kernel-bug-exists-upstream ** Tags added: kernel-bug-exists-upstream-v3.4-rc6 needs-upstream-testing ** Changed in: linux (Ubuntu) Status: Triaged => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/853244 Title: 8086:0046 Acer Aspire 5742Z brightness keys not working Status in The Linux Kernel: New Status in “linux” package in Ubuntu: Incomplete Bug description: In 2.6.32 (Lucid) there's an /sys/devices/virtual/backlight/acpi_video0 interface for Aspire 5742Z, and brightness hotkeys do modify the values of the files in that dir, but the actual laptop brightness isn't changed. In 3.0.0-9 (Oneiric beta 1) there's no /sys/devices/virtual/backlight interface at all. If I boot with acpi=off, the brightness keys correctly modify brightness, but of course I lose all other ACPI functionality. I tried some of the other acpi-related kernel parameters (acpi_backlight=vendor etc) mentioned in * https://wiki.ubuntu.com/Kernel/Debugging/Backlight * https://wiki.ubuntu.com/DebuggingACPI * www.kernel.org/doc/Documentation/kernel-parameters.txt * http://www.lesswatts.org/projects/acpi/debug.php to no avail, brightness only works with acpi=off or acpi=ht. I tried the fwts tool for ACPI testing, and it produced some errors, I'm attaching the output. I also tried playing with acpiexec, but calling the _BCM method didn't change the brightness either. WORKAROUND: echo 123 > /sys/class/backlight/intel_backlight/brightness WORKAROUND: If I boot with `acpi_osi=Linux` in the kernel command line, I can change the brightness, but the brightness window doesn't pop up. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-24-generic 3.2.0-24.37 ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14 Uname: Linux 3.2.0-24-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu7 Architecture: amd64 ArecordDevices: List of CAPTURE Hardware Devices card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: alkisg 1705 F xfce4-volumed alkisg 1736 F pulseaudio Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xb440 irq 44' Mixer name : 'Intel IbexPeak HDMI' Components : 'HDA:10ec0272,10250487,0011 HDA:80862804,80860101,0010' Controls : 27 Simple ctrls : 13 Date: Fri May 18 07:51:58 2012 HibernationDevice: RESUME=UUID=52f7a35f-fad8-4c9d-baf1-3d3087278f3c InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Alpha amd64 (20120201.1) Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 064e:c21c Suyin Corp. MachineType: Acer Aspire 5742Z ProcEnviron: LANGUAGE=el:en TERM=xterm PATH=(custom, no user) LANG=el_GR.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic root=UUID=9ba52df4-ec9e-4e1c-bbd7-322f50437f94 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.2.0-24-generic N/A linux-backports-modules-3.2.0-24-generic N/A linux-firmware 1.79 SourcePackage: linux StagingDrivers: mei UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/10/2011 dmi.bios.vendor: Acer dmi.bios.version: V1.24 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: Aspire 5742Z dmi.board.vendor: Acer dmi.board.version: V1.24 dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.24 dmi.modalias: dmi:bvnAcer:bvrV1.24:bd08/10/2011:svnAcer:pnAspire5742Z:pvrV1.24:rvnAcer:rnAspire5742Z:rvrV1.24:cvnAcer:ct10:cvrV1.24: dmi.product.name: Aspire 5742Z dmi.product.version: V1.24 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/853244/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp