kevinyuan commented on issue #4527: [VTA] Fixed a crash issue in TSIM driver URL: https://github.com/apache/incubator-tvm/pull/4527#issuecomment-569436137 Hi Liangfu, With the latest code, there's still a virtual memory access error: ------------------ resnet18_v1 inference graph built in 66.75s! File synset.txt exists, skip. terminate called after throwing an instance of 'dmlc::Error' what(): [01:23:27] /home/kevinyuan/dev/tvm/vta/src/vmem/virtual_memory.cc:48: Check failed: phy_addr != 0 (0 vs. 0) : trying to get address that is nullptr Stack trace: [bt] (0) /home/kevinyuan/dev/tvm/vta/python/vta/../../../build/libvta_tsim.so(vta::vmem::VirtualMemoryManager::GetAddr(unsigned long)+0x6a5) [0x7fc21beadb65] [bt] (1) /home/kevinyuan/dev/tvm/vta/python/vta/../../../build/libvta_tsim.so(vta::dpi::MemDevice::SetRequest(unsigned char, unsigned long, unsigned int)+0x46) [0x7fc21bea4806] [bt] (2) /home/kevinyuan/dev/tvm/vta/python/vta/../../build/libvta_hw.so(+0x2bcd4) [0x7fc21bc5dcd4] [bt] (3) /home/kevinyuan/dev/tvm/vta/python/vta/../../build/libvta_hw.so(+0x3b354) [0x7fc21bc6d354] [bt] (4) /home/kevinyuan/dev/tvm/vta/python/vta/../../build/libvta_hw.so(+0x32790) [0x7fc21bc64790] [bt] (5) /home/kevinyuan/dev/tvm/vta/python/vta/../../build/libvta_hw.so(+0x2c2f7) [0x7fc21bc5e2f7] [bt] (6) /usr/lib64/libstdc++.so.6(+0xb5070) [0x7fc2658b3070] [bt] (7) /usr/lib64/libpthread.so.0(+0x7c44) [0x7fc27608bc44] [bt] (8) /usr/lib64/libc.so.6(clone+0x3f) [0x7fc27567749f] Aborted (core dumped)
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