fluid分布式pserver出现SIGSEGV异常
Created by: xymyeah
fluid分布式pserver出现SIGSEGV异常
commit：c83dd9b4
pserver异常详细信息：
* Aborted at 1521898840 (unix time) try "date -d @1521898840" if you are using GNU date *
PC: @ 0x0 (unknown)
* SIGSEGV (@0x1783000000) received by PID 498 (TID 0x7fd12ebfd700) from PID 18446744071612399616; stack trace: *
@ 0x7fd311f42500 (unknown)
@ 0x7fd287c5bc98 paddle::memory::detail::MetadataCache::load()
@ 0x7fd287c5bb3c paddle::memory::detail::MemoryBlock::split()
@ 0x7fd287c5a542 _ZN6paddle6memory6detail14BuddyAllocator12SplitToAllocESt23_Rb_tree_const_iteratorISt5tupleIJ
mmPvEEEm
@ 0x7fd287c5aa45 paddle::memory::detail::BuddyAllocator::Alloc()
@ 0x7fd287c57f25 paddle::memory::Alloc<>()
@ 0x7fd287bd224b paddle::framework::Tensor::PlaceholderImpl<>::PlaceholderImpl()
@ 0x7fd287bd77f8 paddle::framework::Tensor::mutable_data()
@ 0x7fd2882bdbbf paddle::operators::detail::VariableResponse::CopyLodTensorData()
@ 0x7fd2882be537 paddle::operators::detail::VariableResponse::Parse()
@ 0x7fd2882b8e4d grpc::ServerInterface::PayloadAsyncRequest<>::FinalizeResult()
@ 0x7fd2883294f3 grpc::CompletionQueue::AsyncNextInternal()
@ 0x7fd2882b4adb paddle::operators::detail::AsyncGRPCServer::HandleRequest()
@ 0x7fd2882b88b5 std::thread::_Impl<>::_M_run()
@ 0x7fd3078f7470 (unknown)
@ 0x7fd311f3a851 start_thread
@ 0x7fd3115fd90d clone
@ 0x0 (unknown)
