Created attachment 464078 [details] emerge --info Hi! New x11-drivers/nvidia-drivers-378.13 cause non-stop 100% usage one (random) core my AMD FX-8320 while browsing Firefox-51 with use-flag +hwaccel. Firefox-51 with -hwaccel does not have this problem, but no HW acceleration and fonts in FF is ugly. With x11-drivers/nvidia-drivers-375.39 and FF-51 +hwaccel there is no problem. My videocard - GTX 1050. x11-drivers/nvidia-drivers-378.13 (X acpi driver kms multilib tools -compat -gtk3 -pax_kernel -static-libs -uvm -wayland ABI_MIPS="-n32 -n64 -o32" ABI_PPC="-32 -64" ABI_S390="-32 -64" ABI_X86="32 64 -x32" KERNEL="linux -FreeBSD") www-client/firefox-51.0 (dbus gmp-autoupdate hwaccel jemalloc pgo pulseaudio skia startup-notification -bindist -custom-cflags -custom-optimization -debug -gtk2 -hardened -jack -neon -rust -selinux -system-cairo -system-harfbuzz -system-icu -system-jpeg -system-libevent -system-libvpx -system-sqlite -test -wifi)
What is using that CPU time?
(In reply to Jeroen Roovers from comment #1) > What is using that CPU time? It begin from start FF-51.
(In reply to Jeroen Roovers from comment #1) > What is using that CPU time? Almost always from the start FF or you need to open one or two tabs to it began. The same behavior with a clean profile FF. E10s is turned on.
As the useflag description says you are force enabling hardware acceleration, we do not have time to track bugs from a binary driver, if you feel you have found a legitimate bug please fill with upstream.
No, please, what _process_ is using up that CPU time?
(In reply to Jeroen Roovers from comment #5) > No, please, what _process_ is using up that CPU time? The main process - firefox, not /usr/lib64/firefox/plugin-container...