i just had a freeze under kernel 4.4.0-rc6 with cmdline intel_idle.max_cstate=1 so i can't confirm that workaround. back to kernel 4.1.12
i just had a freeze under kernel 4.4.0-rc6 with cmdline intel_idle. max_cstate= 1
so i can't confirm that workaround.
back to kernel 4.1.12