Unstable test testUtilSuite.TearDownSuite #25780
Description
Bug Report
[2021-06-27T07:28:43.587Z] FAIL: util_test.go:61: testUtilSuite.TearDownSuite
[2021-06-27T07:28:43.587Z]
[2021-06-27T07:28:43.587Z] util_test.go:65:
[2021-06-27T07:28:43.587Z] testleak.AfterTest(c)()
[2021-06-27T07:28:43.587Z] /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/testleak/leaktest.go:168:
[2021-06-27T07:28:43.587Z] c.Errorf("Test %s check-count %d appears to have leaked: %v", c.TestName(), cnt, g)
[2021-06-27T07:28:43.587Z] ... Error: Test check-count 50 appears to have leaked: github.com/pingcap/tidb/ddl.(*worker).start(0xc0235d4150, 0xc0108e2000)
[2021-06-27T07:28:43.587Z] /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/ddl/ddl_worker.go:157 +0x315
[2021-06-27T07:28:43.587Z] created by github.com/pingcap/tidb/ddl.(*ddl).Start
[2021-06-27T07:28:43.587Z] /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/ddl/ddl.go:364 +0x6a5
[2021-06-27T07:28:43.587Z]
[2021-06-27T07:28:43.587Z] util_test.go:65:
[2021-06-27T07:28:43.587Z] testleak.AfterTest(c)()
[2021-06-27T07:28:43.587Z] /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/testleak/leaktest.go:168:
[2021-06-27T07:28:43.587Z] c.Errorf("Test %s check-count %d appears to have leaked: %v", c.TestName(), cnt, g)
[2021-06-27T07:28:43.587Z] ... Error: Test check-count 50 appears to have leaked: github.com/pingcap/tidb/ddl.(*worker).start(0xc0235d41c0, 0xc0108e2000)
[2021-06-27T07:28:43.587Z] /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/ddl/ddl_worker.go:157 +0x315
[2021-06-27T07:28:43.587Z] created by github.com/pingcap/tidb/ddl.(*ddl).Start
[2021-06-27T07:28:43.587Z] /home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/ddl/ddl.go:364 +0x6a5
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master