Re: Flickering with Intel i7-5700 (HD 5600) and Samsung 156HL01-102 panel
Jordi Salvat i Alabart <[email protected]>
| Newsgroups | gmane.comp.video.mesa3d.user |
|---|---|
| Message-ID | <CA+=s_ak9JQVMRRHOu+cL3NdyBUtzcwsrar6LYUtHC_e+C1hBEA@mail.gmail.com> |
Noone? Not even a hint on where I could ask for help? :'-( 2015-10-26 0:18 GMT+01:00 Jordi Salvat i Alabart < [email protected]>: > Hi, > > My new MSI PE60 2QE laptop mounts an Intel i7-5700HQ, which carries the > Integrated Graphics Chipset 5600, and a Samsung 156HL01-102 panel. > The display works perfectly when I boot with the "nomodeset" parameter in > the kernel command line -- but then I'm forced to use the framebuffer > driver, which doesn't allow multiple monitors. > > With KMS enabled (by removing the "nomodeset" parameter), X starts > correctly with the "intel" driver and I can use multiple monitors, but the > laptop's panel shows an irregular flicker, ranging from occasional > flickering horizontal black lines (which are really annoying) to a constant > flashing & flickering making the display all but unusable. > > The flickering and flashing is less noticeable, but still there, in the > text-mode VTs, even if I never start X. So the problem has to be in the > kernel or modules, not in the X drivers. > > External monitors connected to the DP or HDMI ports don't show any > flickering. > Things I have tried (among many others I've discovered were irrelevant): > > - Setting a number different video modes using xrandr > - Booting with Kernel 3.19.0.25 with i915.enable_IPS=0 as suggested > here: Screen flickering on Ubuntu Gnome 14.04 - 4K resolution > <http://askubuntu.com/questions/680703/screen-flickering-on-ubuntu-gnome-14-04-4k-resolution> > - Booting with i915.powersave=0 > - Booting with acpi_osi=Linux > - Upgrading to Ubuntu Vivid Vervet (kernel 3.19.0 with a backported > i915 module) > - Upgrading to Ubuntu Willy Werewolf (kernel 4.2.0) > > None of these have helped. > > I'm attaching kern.log for a full boot sequence with drm.debug=0xf. > > What steps can you recommend to try to diagnose and solve this problem? > Thanks a lot for your help, > > Jordi > > _______________________________________________ mesa-users mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-users