From the dump there it seems to be in intel_idle. It might be worth trying booting with "intel_idle.max_cstate=0" on the kernel command line to see if that resolves things for you. Please report any testing back here.
From the dump there it seems to be in intel_idle. It might be worth trying booting with "intel_ idle.max_ cstate= 0" on the kernel command line to see if that resolves things for you. Please report any testing back here.