for distcc see Distcc#CFLAGS and CXXFLAGS).įor historical purposes, the following table shows minimum GCC versions for use with Zen compiler optimizations. in notebooks or Chromebooks), additionally select:Īlternatively, -march=native will produce optimized code for system on which GCC is running on, which is not suitable for every configuration (e. g.
(/lib/firmware) Firware blobs root directoryįor Zen 3 (or newer) APUs (e.g. (amd-ucode/microcode_amd_fam17h.bin) External firmware blobs to build into the kernel binary AMD frequency sensitivity feedback powersave bias Legacy cpb sysfs knob support for AMD CPUs Processor family (Opteron/Athlon64/Hammer/K8) -> KERNEL Kernel 4.11.0 or newer Processor type and features -> To install the Zen microcode, emerge sys-kernel/linux-firmware: "Cezanne" APU kernel 5.11 recommended, full support since 5.13 On same motherboard/keyboard but with Ryzen 5 - it worked fine. At this time it's not clear if problem is related to CPU or motherboard of keyboard or combination. Once kernel started, keyboard can be connected as usual. Workaround - disconnect keyboard until kernel is loading. Booting with keyboard that requires 2 USB connectors fails at GRUB time. Tested with latest 5.15.2 also without issues.įirmware Blob: amd-ucode/microcode_amd_fam17h.bin & linux-firmware-20211027Įarlier version of kernel were not tried(experimental kernel due to AMDGPU drivers are needed for newest AMD video card).
System booted with 5.10.15 with minor issues, but would recommend 5.13+. User $ cpuid -1 | grep uarch (uarch synth) = AMD Zen 3, 7nm Ryzen Threadripper Deviceįor stability use kernel parameters: processor.max_cstate=1 rcu_nocbs=0-11 idle=nomwaitįirmware blob: amd-ucode/microcode_amd_fam17h.binįirmware blob: amd-ucode/microcode_amd_fam19h.bin from linux-firmware-20221214.įirmware blob: amd-ucode/microcode_amd_fam19h.bin from linux-firmware-20220509.
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