<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [HSW] Screen flickering problems on Acer laptops from 4.6 kernel" href="https://bugs.freedesktop.org/show_bug.cgi?id=97056#c13">Comment # 13</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [HSW] Screen flickering problems on Acer laptops from 4.6 kernel" href="https://bugs.freedesktop.org/show_bug.cgi?id=97056">bug 97056</a> from <a class="email" href="mailto:tomasz.bazan.89@gmail.com" title="Tomasz Bazan <tomasz.bazan.89@gmail.com>"> Tomasz Bazan</a> <pre>(In reply to Elio from <a href="show_bug.cgi?id=97056#c12">comment #12</a>) > (In reply to Peter Erdelyi from <a href="show_bug.cgi?id=97056#c11">comment #11</a>) > > I have upgraded a Lenovo S540 from Fedora F23 (kernel-4.5.7-200.fc23.x86_64) > > to F24 (kernel-4.6.3-300.fc24.x86_24) and the display started flickering at > > the edges. The next kernel-4.8.0.0.rc1.git0.1.fc25.x86_64 flickered and > > produced a loop,while the display changed the brightness. Touching the mouse > > stopped the failure. Then it started again. > > Kernel-4.8.0.0.rc3.git0.1.fc25.x86_64 doesn't flicker any more, but the ugly > > loop with the changing brightness is still there during the boot process. > > When I turn off the computer the display turns into a very bright white. > > > > chipset: 4 x Intel®core i5-4210U CPU @ 1.70GHz > > system architecture: 64-bit > > xserver: 11.0 Fedora Project > > mesa: Mesa DRI Intel(R)Haswell Mobile > > kernel: 4.8.0-0.rc3.git0.1.fc25.x86_64 > > Linux distribution: Fedora 24 > > display connector: FHD, Laptop screen 1920*1080 px (full hd), mat. > > Hello Peter, could you try updating your system to 4.10? a lot of new > patches were merged recently. Hello Elio, thanks for your reply. I confirm that on Acer v3-722G with debian testing upgrading kernel to version 4.10.8 helps on flickering screen.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>