Z83(BZW-BT3)
"Stability"
first append to /etc/default/grub GRUB_CMDLINE_LINUX_DEFAULT="intel_idle.max_cstate=0 processor.max_cstate=1 " entries
than regenerate grub config in common way
or edit manually
/boot/grub/grub.cfg
by adding "intel_idle.max_cstate=0 processor.max_cstate=1" entries after vmlinuz (....) root=...
if systemd-boot is installed bootloader edit commandline last entry in any file in
/boot/efi/loader/entries/*.conf
by adding "intel_idle.max_cstate=0 processor.max_cstate=1"
"Bluetooth Installation/Fix"
copy firmware files from this repo to /lib/firmware/brcm/
make copy BCM43341B0.hcd to BCM.hcd in /lib/firmware/brcm/
sudo cp /lib/firmware/brcm/BCM43341B0.hcd /lib/firmware/brcm/BCM.hcd
install package: "bluez-test" (for btmgmt) / on Arch Linux : bluez bluez-tools bluez-utils
opensuse :
sudo zypper in bluez-test
than set to not default bt adapter mac address
sudo btmgmt -i hci0 public-addr 43:34:1b:00:1a:ac ///for example
bluetooth should be in tray now (tested on blueman-applet)
"Hardware codecs"
also install intel-hybrid-driver for vp 8 / 9 vaapi codecs
vainfo repports additionaly
VAProfileVP9Profile0 : VAEntrypointVLD'
https://lkml.iu.edu/hypermail/linux/kernel/1904.1/01727.html