pc = 0
		}

		// IF LR exists, sigpanictramp must save it to the stack
		// before entry to sigpanic so that panics in leaf
		// functions are correctly handled. This will smash
		// the stack frame but we're not going back there
		// anyway.
		if usesLR {
			c.savelr(c.lr())
		}

		// If PC == 0, probably panicked because of a call to a nil func.

	// This operation must be executed after kubelet is already started in order to minimize the time
	// between the new etcd member is announced and the start of the static pod running the new etcd member, because during
	// this time frame etcd gets temporary not available (only when moving from 1 to 2 members in the etcd cluster).
	// From https://coreos.com/etcd/docs/latest/v2/runtime-configuration.html

	}

	// Fast path: drop lock bit.
	new := atomic.AddInt32(&m.state, -mutexLocked)
	if new != 0 {
		// Outlined slow path to allow inlining the fast path.
		// To hide unlockSlow during tracing we skip one extra frame when tracing GoUnblock.
		m.unlockSlow(new)
	}
}

func (m *Mutex) unlockSlow(new int32) {
	if (new+mutexLocked)&mutexLocked == 0 {
		fatal("sync: unlock of unlocked mutex")
	}