Failed to attach to END device

我在烧写VxWorks镜像时，烧写完成后，启动就出现提示：
muxDevload failed for device entry 0
Failed to attach to END device
Attaching interface lo0...done
wdb Config：error configuring WDB communication interface
...
...
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WDB Comm Type: WDB_COMM_END
          WDB: Agent configuration failed.

是ARM7平台！