[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S
v3.18-rc3-vivid build fixes this bug. ** Tags added: kernel-fixed-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388817 Title: Backlight brightness problem with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1388817/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1389459] Re: [Thinkpad T440S] The brightness is set to maximum after recovering from screen dimming or system suspend
v3.18-rc3-vivid build fixes this bug. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Tags added: ernel-fixed-upstream ** Tags removed: ernel-fixed-upstream ** Tags added: kernel-fixed-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1389459 Title: [Thinkpad T440S] The brightness is set to maximum after recovering from screen dimming or system suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1389459/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1389457] Re: After every boot, the brightness is set to maximum with Thinkpad T440S
v3.18-rc3-vivid build does not solve this problem. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Tags added: kernel-bug-exists-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1389457 Title: After every boot, the brightness is set to maximum with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1389457/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1389456] Re: "thinkpad_acpi: Unsupported brightness interface" error message during boot with Thinkpad T440S
v3.18-rc3-vivid build does not fix this problem. ** Tags added: kernel-bug-exists-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1389456 Title: "thinkpad_acpi: Unsupported brightness interface" error message during boot with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1389456/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1389459] [NEW] [Thinkpad T440S] The brightness is set to maximum after recovering from screen dimming or system suspend
Public bug reported: The brightness is set to maximum after recovering from the following two cases: 1) Recovering from system suspend. 2) Recovering from screen dimming. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-39-generic 3.13.0-39.66 ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8 Uname: Linux 3.13.0-39-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC1: jing 2128 F pulseaudio /dev/snd/controlC0: jing 2128 F pulseaudio CurrentDesktop: Unity Date: Wed Nov 5 09:26:56 2014 HibernationDevice: RESUME=UUID=4bfed795-9c38-418e-b097-83b17523308e InstallationDate: Installed on 2014-06-28 (129 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: LENOVO 20AQA02QHH ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-39-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash acpi_backlight=vendor vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-39-generic N/A linux-backports-modules-3.13.0-39-generic N/A linux-firmware 1.127.7 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/21/2014 dmi.bios.vendor: LENOVO dmi.bios.version: GJET72WW (2.22 ) dmi.board.asset.tag: Not Available dmi.board.name: 20AQA02QHH dmi.board.vendor: LENOVO dmi.board.version: 0B98405 STD dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrGJET72WW(2.22):bd02/21/2014:svnLENOVO:pn20AQA02QHH:pvrThinkPadT440s:rvnLENOVO:rn20AQA02QHH:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 20AQA02QHH dmi.product.version: ThinkPad T440s dmi.sys.vendor: LENOVO ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1389459 Title: [Thinkpad T440S] The brightness is set to maximum after recovering from screen dimming or system suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1389459/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1389457] [NEW] After every boot, the brightness is set to maximum with Thinkpad T440S
Public bug reported: The brightness I have set is not saved across reboot. After every boot, the brightness is set to maximum. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-39-generic 3.13.0-39.66 ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8 Uname: Linux 3.13.0-39-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC1: jing 2128 F pulseaudio /dev/snd/controlC0: jing 2128 F pulseaudio CurrentDesktop: Unity Date: Wed Nov 5 09:15:39 2014 HibernationDevice: RESUME=UUID=4bfed795-9c38-418e-b097-83b17523308e InstallationDate: Installed on 2014-06-28 (129 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: LENOVO 20AQA02QHH ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-39-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash acpi_backlight=vendor vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-39-generic N/A linux-backports-modules-3.13.0-39-generic N/A linux-firmware 1.127.7 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/21/2014 dmi.bios.vendor: LENOVO dmi.bios.version: GJET72WW (2.22 ) dmi.board.asset.tag: Not Available dmi.board.name: 20AQA02QHH dmi.board.vendor: LENOVO dmi.board.version: 0B98405 STD dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrGJET72WW(2.22):bd02/21/2014:svnLENOVO:pn20AQA02QHH:pvrThinkPadT440s:rvnLENOVO:rn20AQA02QHH:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 20AQA02QHH dmi.product.version: ThinkPad T440s dmi.sys.vendor: LENOVO ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1389457 Title: After every boot, the brightness is set to maximum with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1389457/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1389456] [NEW] "thinkpad_acpi: Unsupported brightness interface" error message during boot with Thinkpad T440S
Public bug reported: During the boot, the following message shows up: [ 12.448192] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-de...@lists.sourceforge.net I am using Ubuntu 14.04 64 bit. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-39-generic 3.13.0-39.66 ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8 Uname: Linux 3.13.0-39-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC1: jing 2128 F pulseaudio /dev/snd/controlC0: jing 2128 F pulseaudio CurrentDesktop: Unity Date: Wed Nov 5 09:08:46 2014 HibernationDevice: RESUME=UUID=4bfed795-9c38-418e-b097-83b17523308e InstallationDate: Installed on 2014-06-28 (129 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: LENOVO 20AQA02QHH ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-39-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash acpi_backlight=vendor vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-39-generic N/A linux-backports-modules-3.13.0-39-generic N/A linux-firmware 1.127.7 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/21/2014 dmi.bios.vendor: LENOVO dmi.bios.version: GJET72WW (2.22 ) dmi.board.asset.tag: Not Available dmi.board.name: 20AQA02QHH dmi.board.vendor: LENOVO dmi.board.version: 0B98405 STD dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrGJET72WW(2.22):bd02/21/2014:svnLENOVO:pn20AQA02QHH:pvrThinkPadT440s:rvnLENOVO:rn20AQA02QHH:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 20AQA02QHH dmi.product.version: ThinkPad T440s dmi.sys.vendor: LENOVO ** Affects: linux (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1389456 Title: "thinkpad_acpi: Unsupported brightness interface" error message during boot with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1389456/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S
I don't know which tag I should add since not all of my problems are fixed by v3.18-rc3-vivid. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388817 Title: Backlight brightness problem with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1388817/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S
Please ignore my #4 and #5 comments. With the use of v3.18-rc3-vivid, for the following problems: 1. After every boot, the brightness is set to maximum. 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. 3. After recovering from screen dimming and system suspend, the brightness is set to maximum. 4. The following error message is printed during the boot: thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-de...@lists.sourceforge.net 2 and 3 are fixed. But 1 and 4 still exist. ** Tags removed: kernel-bug-exists-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388817 Title: Backlight brightness problem with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1388817/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S
With the use of , the following problems still exists: 1. After every boot, the brightness is set to maximum. 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. 3. After recovering from dimming, the brightness is set to maximum. 4. The following error message is printed during the boot: [ 12.843633] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-de...@lists.sourceforge.net ** Tags added: kernel-bug-exists-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388817 Title: Backlight brightness problem with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1388817/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S
Since I can't correct my typo, I add my comment one more time. With the use of v3.18-rc3-vivid, the following problems still exist: 1. After every boot, the brightness is set to maximum. 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. 3. After recovering from dimming, the brightness is set to maximum. 4. The following error message is printed during the boot: [ 12.843633] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-de...@lists.sourceforge.net -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388817 Title: Backlight brightness problem with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1388817/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1388817] Re: Backlight brightness problem with Thinkpad T440S
** Description changed: At the beginning, I have the following four problems: 1. After every boot, the brightness is set to maximum. 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. - 3. After recovering from dimming, the brightness is set to maximum. + 3. After recovering from screen dimming and system suspend, the brightness is set to maximum. 4. The following error message is printed during the boot: [ 12.843633] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-de...@lists.sourceforge.net The following workaround fixes 1 for me. http://askubuntu.com/questions/151651/brightness-is-reset-to-maximum-on-every-restart I add "acpi_backlight=vendor" kernel parameter according to https://wiki.ubuntu.com/Kernel/Debugging/Backlight. This fixes 2 and 3 for me. But 4 still exists. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-39-generic 3.13.0-39.66 ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8 Uname: Linux 3.13.0-39-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: - USERPID ACCESS COMMAND - /dev/snd/controlC0: jing 2280 F pulseaudio - /dev/snd/controlC1: jing 2280 F pulseaudio - /dev/snd/pcmC1D0p: jing 2280 F...m pulseaudio + USERPID ACCESS COMMAND + /dev/snd/controlC0: jing 2280 F pulseaudio + /dev/snd/controlC1: jing 2280 F pulseaudio + /dev/snd/pcmC1D0p: jing 2280 F...m pulseaudio CurrentDesktop: Unity Date: Mon Nov 3 20:51:08 2014 HibernationDevice: RESUME=UUID=4bfed795-9c38-418e-b097-83b17523308e InstallationDate: Installed on 2014-06-28 (128 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: LENOVO 20AQA02QHH ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-39-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash acpi_backlight=vendor vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-3.13.0-39-generic N/A - linux-backports-modules-3.13.0-39-generic N/A - linux-firmware 1.127.7 + linux-restricted-modules-3.13.0-39-generic N/A + linux-backports-modules-3.13.0-39-generic N/A + linux-firmware 1.127.7 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/21/2014 dmi.bios.vendor: LENOVO dmi.bios.version: GJET72WW (2.22 ) dmi.board.asset.tag: Not Available dmi.board.name: 20AQA02QHH dmi.board.vendor: LENOVO dmi.board.version: 0B98405 STD dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrGJET72WW(2.22):bd02/21/2014:svnLENOVO:pn20AQA02QHH:pvrThinkPadT440s:rvnLENOVO:rn20AQA02QHH:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 20AQA02QHH dmi.product.version: ThinkPad T440s dmi.sys.vendor: LENOVO -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388817 Title: Backlight brightness problem with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1388817/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1388817] [NEW] Backlight brightness problem with Thinkpad T440S
Public bug reported: At the beginning, I have the following four problems: 1. After every boot, the brightness is set to maximum. 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. 3. After recovering from dimming, the brightness is set to maximum. 4. The following error message is printed during the boot: [ 12.843633] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-de...@lists.sourceforge.net The following workaround fixes 1 for me. http://askubuntu.com/questions/151651/brightness-is-reset-to-maximum-on-every-restart I add "acpi_backlight=vendor" kernel parameter according to https://wiki.ubuntu.com/Kernel/Debugging/Backlight. This fixes 2 and 3 for me. But 4 still exists. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-39-generic 3.13.0-39.66 ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8 Uname: Linux 3.13.0-39-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: jing 2280 F pulseaudio /dev/snd/controlC1: jing 2280 F pulseaudio /dev/snd/pcmC1D0p: jing 2280 F...m pulseaudio CurrentDesktop: Unity Date: Mon Nov 3 20:51:08 2014 HibernationDevice: RESUME=UUID=4bfed795-9c38-418e-b097-83b17523308e InstallationDate: Installed on 2014-06-28 (128 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: LENOVO 20AQA02QHH ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-39-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash acpi_backlight=vendor vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-39-generic N/A linux-backports-modules-3.13.0-39-generic N/A linux-firmware 1.127.7 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 02/21/2014 dmi.bios.vendor: LENOVO dmi.bios.version: GJET72WW (2.22 ) dmi.board.asset.tag: Not Available dmi.board.name: 20AQA02QHH dmi.board.vendor: LENOVO dmi.board.version: 0B98405 STD dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrGJET72WW(2.22):bd02/21/2014:svnLENOVO:pn20AQA02QHH:pvrThinkPadT440s:rvnLENOVO:rn20AQA02QHH:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 20AQA02QHH dmi.product.version: ThinkPad T440s dmi.sys.vendor: LENOVO ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1388817 Title: Backlight brightness problem with Thinkpad T440S To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1388817/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1320659] Re: [Lenovo ThinkPad Edge E430] "thinkpad unsupported brightness interface" message is showing while booting up
I also have this problem. I am using Ubuntu 14.04 64 bit with a Thinkpad T440S. At the beginning, I have the following four problems: 1. After every boot, the brightness is set to maximum. 2. The brightness can't be adjusted smoothly. Only 4 brightnesses can be achieved with Fn keys. 3. After recovering from dimming, the brightness is set to maximum. 4. The following error message is printed during the boot: [ 12.843633] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-de...@lists.sourceforge.net The following workaround fixes 1 for me. http://askubuntu.com/questions/151651/brightness-is-reset-to-maximum-on-every-restart I add "acpi_backlight=vendor" kernel parameter according to https://wiki.ubuntu.com/Kernel/Debugging/Backlight. This fixes 2 and 3 for me. But 4 still exists. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1320659 Title: [Lenovo ThinkPad Edge E430] "thinkpad unsupported brightness interface" message is showing while booting up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1320659/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 896595] Re: Ubuntu does not remember LID brightness
After recovering from screen dimming, the brightness is set set maximum for my case. For this problem, I follow the instructions in https://wiki.ubuntu.com/Kernel/Debugging/Backlight. After adding "acpi_backlight=vendor" kernel parameter, the problem is fixed. But during the boot of Ubuntu, I still get the following error message: thinkpad_acpi: Unsupported brightness interface, please contact ibm- acpi-d...@lists.sourceforge.net. I am using Ubuntu 14.04 64 bit with a Thinkpad T440S. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/896595 Title: Ubuntu does not remember LID brightness To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-settings-daemon/+bug/896595/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 896595] Re: Ubuntu does not remember LID brightness
This still happens on Ubuntu 14.04 64 bit. I am using Thinkpad T440S. The following workaround works for me: http://askubuntu.com/questions/151651/brightness-is-reset-to-maximum-on- every-restart -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/896595 Title: Ubuntu does not remember LID brightness To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-settings-daemon/+bug/896595/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 35223] Re: Laptop TFT monitor - brightness level is not saved
The problem is also reported on http://askubuntu.com/questions/524524 /brightness-is-reset-to-maximum-after-waking-up-from-suspend-or-lock- screen -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/35223 Title: Laptop TFT monitor - brightness level is not saved To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-power/+bug/35223/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 35223] Re: Laptop TFT monitor - brightness level is not saved
Me too: Brightness is set to maximum after a reboot or after waking up from a suspend. Model: Thinkpad T440S Ubuntu: 14.04 64 bit -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/35223 Title: Laptop TFT monitor - brightness level is not saved To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-power/+bug/35223/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 804943] Re: blcr kernel module failed to build with kernel 3.0 : configure: error: --with-linux argument '3.0-x' is neither a kernel version string nor a full path
Happens to me when I doing update with ubuntu 12.04. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/804943 Title: blcr kernel module failed to build with kernel 3.0 : configure: error: --with-linux argument '3.0-x' is neither a kernel version string nor a full path To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/blcr/+bug/804943/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 622077] Re: Unable to start ubuntu hardy server guest os with kvm
** Attachment added: "Dependencies.txt" https://bugs.launchpad.net/bugs/622077/+attachment/1509899/+files/Dependencies.txt ** Attachment added: "ExtensionSummary.txt" https://bugs.launchpad.net/bugs/622077/+attachment/1509900/+files/ExtensionSummary.txt ** Attachment added: "profile_default_pluginreg.dat.txt" https://bugs.launchpad.net/bugs/622077/+attachment/1509901/+files/profile_default_pluginreg.dat.txt ** Attachment added: "profiles.ini.txt" https://bugs.launchpad.net/bugs/622077/+attachment/1509902/+files/profiles.ini.txt -- Unable to start ubuntu hardy server guest os with kvm https://bugs.launchpad.net/bugs/622077 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 622077] [NEW] Unable to start ubuntu hardy server guest os with kvm
Public bug reported: Binary package hint: kvm I have installed an ubuntu hardy server with virt-manager on ubuntu 10.04 desktop host. The guest os is rebooted after the installation. But, the guest os can't be started up. The following message is shown in console. Starting SeaBIOS Booting from Hard disk GRUB loading stage1.5 grub loading, please wait The same problem is also reported in comment 7 in http://www.ideyatech.com/2010/05/virtualization-with-ubuntu-1004-lucid- lynx/. ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: firefox 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 ProcVersionSignature: Ubuntu 2.6.32-24.41-generic 2.6.32.15+drm33.5 Uname: Linux 2.6.32-24-generic i686 Architecture: i386 Date: Sun Aug 22 12:36:18 2010 FirefoxPackages: firefox 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 firefox-gnome-support 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 firefox-branding 3.6.8+build1+nobinonly-0ubuntu0.10.04.1 abroswer N/A abrowser-branding N/A InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5) ProcEnviron: LANGUAGE=en_US:en PATH=(custom, user) LANG=en_US.utf8 SHELL=/bin/bash SourcePackage: firefox ** Affects: kvm (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug i386 lucid -- Unable to start ubuntu hardy server guest os with kvm https://bugs.launchpad.net/bugs/622077 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 447728] Re: [Lucid] Laptop only remains DPMS off for 2 seconds
I also have this issue with Thinkpad T60P. -- [Lucid] Laptop only remains DPMS off for 2 seconds https://bugs.launchpad.net/bugs/447728 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
