DM遇到奇怪报错信息,貌似触发了BUG了?

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  • 【TiDB 版本】:v2.0.0
  • 【问题描述】:就执行了stop-task,再次start-task,就报错如下信息:

[root@tidb_dm_master1 tidb]# tiup dmctl --master-addr 192.168.103.33:8261 start-task /home/tidb/test_task.yaml
Starting component dmctl: /root/.tiup/components/dmctl/v2.0.0/dmctl/dmctl --master-addr 192.168.103.33:8261 start-task /home/tidb/test_task.yaml
{
“result”: true,
“msg”: “”,
“sources”: [
{
“result”: false,
“msg”: “[code=38032:class=dm-master:scope=internal:level=high], Message: some error occurs in dm-worker: ErrCode:10001 ErrClass:“database” ErrScope:“downstream”
ErrLevel:“high” Message:“fail to initial unit Sync of subtask test_etl_1 : database driver error” RawCause:“context deadline exceeded” Workaround:“Please check the database connection and the database config in configuration file.” , Workaround: Please execute query-status to check status.”, “source”: “test”,
“worker”: “dm-192.168.103.33-8272”
},
{
“result”: true,
“msg”: “”,
“source”: “test2”,
“worker”: “dm-192.168.103.33-8282”
}
]
}

        "msg": "[code=38008:class=dm-master:scope=internal:level=high], Message: grpc request error, RawCause: rpc error: code = DeadlineExceeded desc = context deadline exc

eeded",

这是 已知 bug ,目前修复方式是将 dm 整体版本更新到 nightly 版本

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