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
>
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https://bugs.launchpad.net/bugs/1507689
Title:
Shaky screen on Lenovo Y70 Touch
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