I do not have the machine with me. It will have to wait until newyear. Do I have to make it be shaky when the command is executed? 22. des. 2015 14:11 skrev "Christopher M. Penalver" < christopher.m.penal...@gmail.com>:
> Per Olav Kroka, thank you for taking the time to report this bug and > helping to make Ubuntu better. Please execute the following command only > once, as it will automatically gather debugging information, in a terminal: > apport-collect 1507689 > > ** Package changed: linux-lts-utopic (Ubuntu) => linux (Ubuntu) > > ** Changed in: linux (Ubuntu) > Importance: Undecided => Low > > ** Changed in: linux (Ubuntu) > Status: New => Incomplete > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1507689 > > Title: > Shaky screen on Lenovo Y70 Touch > > Status in linux package in Ubuntu: > Incomplete > > Bug description: > I have a relatively new Lenovo Y70 Touch (came preinstalled with > Win8). I installed Ubuntu 14.04 on it. > > By "Shaky" (in the headline) I mean that the image shakes from side to > side (it seems) about 3 points. Some points end up at the end of the > previous line. Very annoying to look at. Before changing anything, > the screen driver seems to be an intel driver. (There is a combined > NVidia and Intel screen card.) It is also possible to change the > screen backlight by using the buttons. > > Searching on the web I found that I could add "nomodeset" to the > kernel command line. Doing this stabilizes the screen, but the > control of the screen backlight disappears. > > If I in addition add "acpi_osi=Linux" and "acpi_backlight=vendor", the > backlight-control app seems to be back, but there is no reaction to > any changes. "ls /sys/class/backlight" now shows the name ideapad. > > Along the way to the current workaround, I have had bumblebee and some > other software installed and automatically removed as it was not > needed. > > I believe this applies to other distributions as well. > > Numbered questions and answers (found under "We also need:" in th > 1) Output from "lsb_release -rd": > Description: Ubuntu 14.04.3 LTS > Release: 14.04 > > 2) Outut from "apt-cache policy linux*": > see attached file "policy" > > 3) What I expect to happen: > a. That the screen would be stabile from the start of the installation > b. That the backlight control would be available from the start of the > installation and not disappear. > > 4) What happened instead: > a. The screen was "shaking" from the start. (Not a stabile image at > all.) > b. After adding a fix (see above) the screen became stabile but the > screen backlight control disappeared. No remedy has been found for this. > > ProblemType: Bug > DistroRelease: Ubuntu 14.04 > Package: linux-image-3.16.0-50-generic 3.16.0-50.67~14.04.1 > ProcVersionSignature: Ubuntu 3.16.0-50.67~14.04.1-generic 3.16.7-ckt16 > Uname: Linux 3.16.0-50-generic x86_64 > ApportVersion: 2.14.1-0ubuntu3.15 > Architecture: amd64 > CurrentDesktop: Unity > Date: Mon Oct 19 16:34:08 2015 > InstallationDate: Installed on 2015-06-11 (130 days ago) > InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 > (20150218.1) > SourcePackage: linux-lts-utopic > UpgradeStatus: No upgrade log present (probably fresh install) > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1507689/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1507689 Title: Shaky screen on Lenovo Y70 Touch To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1507689/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
