Created by: lijing1996

程序在单卡上能跑，切到多卡上时碰到下面的问题么请问这是什么问题呢？

F0815 03:23:10.625906 20323 threaded_ssa_graph_executor.cc:206] Unknown exception catched

* Check failure stack trace: *

F0815 03:23:10.625910 20314 threaded_ssa_graph_executor.cc:206] Unknown exception catched

* Check failure stack trace: *

@ 0x7f868fb2643d google::LogMessage::Fail() @ 0x7f868fb2643d google::LogMessage::Fail() @ 0x7f868fb29eec google::LogMessage::SendToLog() @ 0x7f868fb29eec google::LogMessage::SendToLog() @ 0x7f868fb25f63 google::LogMessage::Flush() @ 0x7f868fb25f63 google::LogMessage::Flush() @ 0x7f868fb2b3fe google::LogMessageFatal::~LogMessageFatal() @ 0x7f868fb2b3fe google::LogMessageFatal::~LogMessageFatal() @ 0x7f868f81d0dd _ZZN6paddle9framework7details24ThreadedSSAGraphExecutor5RunOpEPNS0_13BlockingQueueIPNS1_13VarHandleBaseEEEPNS1_12OpHandleBaseEENKUlvE_clEv @ 0x7f868f81d0dd _ZZN6paddle9framework7details24ThreadedSSAGraphExecutor5RunOpEPNS0_13BlockingQueueIPNS1_13VarHandleBaseEEEPNS1_12OpHandleBaseEENKUlvE_clEv @ 0x7f868f6997a3 std::_Function_handler<>::_M_invoke() @ 0x7f868f6997a3 std::_Function_handler<>::_M_invoke() @ 0x7f868f699f37 std::__future_base::_State_base::_M_do_set() @ 0x7f868f699f37 std::__future_base::_State_base::_M_do_set() @ 0x7f86e761ea99 __pthread_once_slow @ 0x7f86e761ea99 __pthread_once_slow @ 0x7f868f81b982 _ZNSt13__future_base11_Task_stateISt5_BindIFZN6paddle9framework7details24ThreadedSSAGraphExecutor5RunOpEPNS3_13BlockingQueueIPNS4_13VarHandleBaseEEEPNS4_12OpHandleBaseEEUlvE_vEESaIiEFvvEE6_M_runEv @ 0x7f868f81b982 _ZNSt13__future_base11_Task_stateISt5_BindIFZN6paddle9framework7details24ThreadedSSAGraphExecutor5RunOpEPNS3_13BlockingQueueIPNS4_13VarHandleBaseEEEPNS4_12OpHandleBaseEEUlvE_vEESaIiEFvvEE6_M_runEv @ 0x7f868f81ff94 _ZZN10ThreadPoolC1EmENKUlvE_clEv @ 0x7f868f81ff94 _ZZN10ThreadPoolC1EmENKUlvE_clEv @ 0x7f86a2b4ac5c execute_native_thread_routine_compat @ 0x7f86a2b4ac5c execute_native_thread_routine_compat @ 0x7f86e76176ba start_thread @ 0x7f86e76176ba start_thread @ 0x7f86e6c3d41d clone @ 0x7f86e6c3d41d clone @ (nil) (unknown) Aborted (core dumped)