roachtest: gossip/chaos/nodes=9 failed

[cockroach-teamcity]

(roachtest).gossip/chaos/nodes=9 failed on release-19.1@b07422a7899db36972dbf36309677e7697f4acbb:

The test failed on branch=release-19.1, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/gossip/chaos/nodes=9/run_1
	cluster.go:2138,cluster.go:2157,cluster.go:2261,gossip.go:46,gossip.go:71,gossip.go:102,gossip.go:114,gossip.go:124,test_runner.go:753: pgurl for nodes [] empty: :4 from
		stdout:
		
		stderr:

	cluster.go:1481,context.go:135,cluster.go:1470,test_runner.go:825: dead node detection: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/bin/roachprod monitor teamcity-1964572-1590300981-32-n9cpu4 --oneshot --ignore-empty-nodes: exit status 1 6: 5685
		1: 4971
		2: 4916
		7: 4711
		9: 4928
		3: 5055
		5: 5349
		8: dead
		4: 4709
		Error: UNCLASSIFIED_PROBLEM: 8: dead
		(1) UNCLASSIFIED_PROBLEM
		Wraps: (2) attached stack trace
		  | main.glob..func13
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachprod/main.go:1129
		  | main.wrap.func1
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachprod/main.go:272
		  | github.com/cockroachdb/cockroach/vendor/github.com/spf13/cobra.(*Command).execute
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/vendor/github.com/spf13/cobra/command.go:766
		  | github.com/cockroachdb/cockroach/vendor/github.com/spf13/cobra.(*Command).ExecuteC
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/vendor/github.com/spf13/cobra/command.go:852
		  | github.com/cockroachdb/cockroach/vendor/github.com/spf13/cobra.(*Command).Execute
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/vendor/github.com/spf13/cobra/command.go:800
		  | main.main
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachprod/main.go:1799
		  | runtime.main
		  | 	/usr/local/go/src/runtime/proc.go:203
		  | runtime.goexit
		  | 	/usr/local/go/src/runtime/asm_amd64.s:1357
		Wraps: (3) 8: dead
		Error types: (1) errors.Unclassified (2) *withstack.withStack (3) *errors.errorString

More

Artifacts: /gossip/chaos/nodes=9

See this test on roachdash
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[knz]

This failure is the roachtest exec bug that tobias fixed already.