❦ 24 juillet 2016 13:45 CEST, Bram Bolder <b...@fd0.org> : > after upgrading the meta package 'linux-image-amd64' from > linux-image-4.5.0-2-amd64 > to linux-image-4.6.0-1-amd64 (and rebooting), my laptop screen started to > flicker > annoyingly. At first I thought it was a hardware defect (backlight lamp > reaching > its end of life), but booting an Ubuntu or reverting to the 4.5.0-2 does not > show > any flickering. The normal terminals (alt-F1 through alt-F6) do not flicker. > > My laptop has seen many generations of Linux images while using 'Debian > testing', > all without problems, so it must be related to this latest kernel version. > I tried a clean installation of SID (i.e. without explicitly configuring > xorg), > but it reproduces the flickering.
Is /sys/module/i915/parameters/enable_psr set to 1? If yes, can you try
to set it to 0 and check if the problem goes away (no need to restart
anything).
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