Answer #1 : > > Asrock, Extreme6, 990FX, UEFI, AMD FX-9590 > Gigabyte, GA-MA790FX-UD5P, 790FX, BIOS, AMD PhenomII x4 980 > > Hi Corbin,
I noticed i didnt have x2apic enabled on my 990FX / FX-8350 system, so i've rebuilt/rebooted etc, but; # zgrep X2APIC /proc/config.gz CONFIG_X86_X2APIC=y # dmesg | grep -i x2apic # On my skylake box # dmesg | grep -i x2apic [ 0.044148] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. [ 0.045802] DMAR-IR: Enabled IRQ remapping in x2apic mode [ 0.045908] x2apic enabled [ 0.046011] Switched APIC routing to cluster x2apic. What x2apic messages do you get on your 990FX / FX-9590 system?