[Bug 1516320] Re: Cannot change backlight on my laptop
adam, the issue you are reporting is an upstream one. Could you please report this problem following the instructions verbatim at https://wiki.ubuntu.com/Bugs/Upstream/kernel to the appropriate venue (TO Zhang Rui CC linux-acpi)? Please provide a direct URL to your newly made report when it becomes available so that it may be tracked. Thank you for your understanding. ** Changed in: linux (Ubuntu) Status: Incomplete => Triaged ** Summary changed: - Cannot change backlight on my laptop + [Samsung NP530U4E-K02PL] Cannot change backlight -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: [Samsung NP530U4E-K02PL] Cannot change backlight To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Tags removed: regression-release ** Tags added: trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
I do not have an exact copy of my grub before update, I think I had some flags as a fix maybe year or 1.5y before but probably not acpi_osi= as I would not see any difference or problem later. I just tried fresh latest LTS 14.04.3 from usb and it doesn't work with default settings. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
adam, to clarify the Bug Description, were you able to change the backlight by default (i.e. no WORKAROUNDs) prior to upgrading? ** Tags removed: kernel-bug-exists-upstream-4.3 ** Tags added: kernel-bug-exists-upstream-4.4-rc2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
I've got drm-intel-nightly from 2015-11-25 compiled and tested on this laptop (due to a bug with cycle-dependency in LNET, you need to disable LNET and LUSTRE modules, than comment CLEAN in Makefile that has deb-pkg target, otherwise just follow instructions for https://wiki.ubuntu.com/Kernel/MainlineBuilds) kernel: 4.4.0-rc2-custom Backligh works only with acpi_osi= Not sure if related, but there is a a warning while installing this deb kernel: W: Possible missing firmware /lib/firmware/i915/skl_guc_ver4.bin for module i915 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
adam, could you please test drm-intel-nightly and advise to the results? ** Tags removed: kernel-bug-exists-upstream-4.3.0-040300-generic ** Tags added: kernel-bug-exists-upstream-4.3 ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
Let me know if you need any additional data/info from my side. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
Mainline kernel doesn't fix this issue - tested with the same boot flags, only acpi_osi= is bringing backlight control back. Tested with 4.3.0-040300-generic #201511020949 ** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-4.3.0-040300-generic ** 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/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
adam, thank you for reporting this and helping make Ubuntu better. Could you please undo your WORKAROUND and test the latest upstream kernel available from the very top line at the top of the page from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D (the release names are irrelevant for testing, and please do not test the daily folder)? Install instructions are available at https://wiki.ubuntu.com/Kernel/MainlineBuilds . This will allow additional upstream developers to examine the issue. If the latest kernel did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this issue is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description: kernel-fixed-upstream kernel-fixed-upstream-X.Y-rcZ Where X, and Y are two numbers corresponding to the kernel version, and Z is one release candidate number if applicable. If the mainline kernel does not fix the issue, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-X.Y-rcZ Please note, an error to install the kernel does not fit the criteria of kernel-bug-exists-upstream. Once testing of the latest upstream kernel is complete, please mark this report's Status as Confirmed. Please let us know your results. Thank you for your understanding. ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Changed in: linux (Ubuntu) Assignee: arun (arungpurohit) => (unassigned) ** Description changed: Option stopped working after upgrading to 15.10, full light all time (before with some hacking it was working, but still was lacking keeping - the levels between reboots) + the levels between reboots). + + WORKAROUND: Add kernel parameter: + acpi_osi= ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: linux-image-4.2.0-18-generic 4.2.0-18.22 ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3 Uname: Linux 4.2.0-18-generic x86_64 ApportVersion: 2.19.1-0ubuntu4 Architecture: amd64 AudioDevicesInUse: - USERPID ACCESS COMMAND - /dev/snd/controlC0: ab 2051 F pulseaudio + USERPID ACCESS COMMAND + /dev/snd/controlC0: ab 2051 F pulseaudio CurrentDesktop: KDE Date: Sat Nov 14 22:44:57 2015 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=33abcad5-3750-4855-b97b-2d5b0fb864ee InstallationDate: Installed on 2013-10-24 (751 days ago) InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U4E/540U4E ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-18-generic root=UUID=f467e962-e87d-4a39-a861-79138b4809d1 ro quiet splash resume=/dev/sdb2 vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-4.2.0-18-generic N/A - linux-backports-modules-4.2.0-18-generic N/A - linux-firmware1.149.2 + linux-restricted-modules-4.2.0-18-generic N/A + linux-backports-modules-4.2.0-18-generic N/A + linux-firmware1.149.2 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/05/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P07ACM.063.130905.dg dmi.board.asset.tag: No Asset Tag dmi.board.name: NP530U4E-K02PL dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: SEC_SW_REVISION_1234567890ABCD dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP07ACM.063.130905.dg:bd09/05/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U4E/540U4E:pvrP07ACM:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U4E-K02PL:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A: dmi.product.name: 530U4E/540U4E dmi.product.version: P07ACM dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. ** Tags added: regression-release -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
Just to follow up - now the backlight is also keeping its level between reboots. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Changed in: linux (Ubuntu) Assignee: (unassigned) => arun (arungpurohit) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
Reboot with just kernel parameter video.use_bios_initial_backlight=0 - still cannot change the backlight with hotkeys nor brightness applet. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
Reboot with just kernel parameter acpi_osi= - backlight works!!! I am in heaven with my linux again :) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
No change when using kernel parameter acpi_backlight=vendor vendorbacklight: intel_backlight No change in brightness for echo 8 > /sys/class/backlight/intel_backlight/brightness ** Attachment added: "lslabacklight" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519217/+files/lslabacklight -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "results.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519210/+files/results.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "fwts" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519208/+files/fwts -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "dmidecode.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519205/+files/dmidecode.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "ssdt2.dat" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519212/+files/ssdt2.dat -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "ssdt1.dat" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519211/+files/ssdt1.dat -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "ssdt5.dat" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519215/+files/ssdt5.dat -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "fwts_method" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519209/+files/fwts_method -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "ssdt6.dat" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519216/+files/ssdt6.dat -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "dsdt.dat" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519206/+files/dsdt.dat -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "ssdt3.dat" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519213/+files/ssdt3.dat -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "dsdt.dsl" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519207/+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/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "backlight" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519204/+files/backlight -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 1516320] Re: Cannot change backlight on my laptop
** Attachment added: "ssdt4.dat" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+attachment/4519214/+files/ssdt4.dat -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1516320 Title: Cannot change backlight on my laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1516320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
