PD panic on c.minResolvedTS.Load().(uint64)

[overvenus]

Bug Report

github.com/tikv/pd/pkg/utils/logutil.LogPanic
	/home/jenkins/agent/workspace/build_pd_multi_branch_master/go/src/github.com/pingcap/pd/pkg/utils/logutil/log.go:94
runtime.gopanic
	/usr/local/go/src/runtime/panic.go:785
runtime.panicdottypeE
	/usr/local/go/src/runtime/iface.go:275
github.com/tikv/pd/server/cluster.(*RaftCluster).CheckAndUpdateMinResolvedTS
	/home/jenkins/agent/workspace/build_pd_multi_branch_master/go/src/github.com/pingcap/pd/server/cluster/cluster.go:2286
github.com/tikv/pd/server/cluster.(*RaftCluster).runMinResolvedTSJob
	/home/jenkins/agent/workspace/build_pd_multi_branch_master/go/src/github.com/pingcap/pd/server/cluster/cluster.go:2313

https://tcms.pingcap.net/dashboard/executions/plan/7800523

What did you do?

Run jepsen tests

What did you expect to see?

No panic.

What did you see instead?

Panic.

What version of PD are you using (pd-server -V)?

5999d64