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zetanumbers opened this issue Mar 10, 2022 · 6 comments
Open

SIGSEGV while building add example #52

zetanumbers opened this issue Mar 10, 2022 · 6 comments
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bug Something isn't working C-rustc_codegen_nvvm Category: the NVVM Rustc codegen

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@zetanumbers
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  • Git commit: 8a32ee7
  • $LLVM_CONFIG --version: 7.1.0
`cargo -vV` 
cargo 1.58.0-nightly (294967c53 2021-11-29)
release: 1.58.0
commit-hash: 294967c53f0c70d598fc54ca189313c86c576ea7
commit-date: 2021-11-29
host: x86_64-unknown-linux-gnu
libgit2: 1.3.0 (sys:0.13.23 vendored)
libcurl: 7.80.0-DEV (sys:0.4.51+curl-7.80.0 vendored ssl:OpenSSL/1.1.1l)
os: Pop!_OS 21.10 (impish) [64-bit]
`cargo run -p add` 
/home/zeta/repos/Rust-CUDA〉cargo clean
/home/zeta/repos/Rust-CUDA〉cargo run -p add
   Compiling libc v0.2.119
   Compiling autocfg v1.1.0
   Compiling pkg-config v0.3.24
   Compiling proc-macro2 v1.0.36
   Compiling unicode-xid v0.2.2
   Compiling syn v1.0.86
   Compiling glob v0.3.0
   Compiling cfg-if v1.0.0
   Compiling lazy_static v1.4.0
   Compiling libm v0.2.2
   Compiling regex-syntax v0.6.25
   Compiling semver-parser v0.7.0
   Compiling semver v1.0.6
   Compiling curl v0.4.42
   Compiling log v0.4.14
   Compiling openssl-probe v0.1.5
   Compiling serde_derive v1.0.136
   Compiling serde v1.0.136
   Compiling once_cell v1.10.0
   Compiling pin-project-lite v0.2.8
   Compiling serde_json v1.0.79
   Compiling smallvec v1.8.0
   Compiling bitflags v1.3.2
   Compiling ansi_term v0.12.1
   Compiling itoa v1.0.1
   Compiling rustc-demangle v0.1.21
   Compiling ryu v1.0.9
   Compiling static_assertions v1.1.0
   Compiling mint v0.5.9
   Compiling bytemuck v1.8.0
   Compiling nanorand v0.6.1
   Compiling num-traits v0.2.14
   Compiling num-integer v0.1.44
   Compiling find_cuda_helper v0.2.0 (/home/zeta/repos/Rust-CUDA/crates/find_cuda_helper)
   Compiling tracing-core v0.1.23
   Compiling sharded-slab v0.1.4
   Compiling semver v0.6.0
   Compiling thread_local v1.1.4
   Compiling regex-automata v0.1.10
   Compiling regex v1.5.5
   Compiling nvvm v0.1.1 (/home/zeta/repos/Rust-CUDA/crates/nvvm)
   Compiling cust_raw v0.11.3 (/home/zeta/repos/Rust-CUDA/crates/cust_raw)
   Compiling cust v0.3.2 (/home/zeta/repos/Rust-CUDA/crates/cust)
   Compiling build-helper v0.1.1
   Compiling quote v1.0.15
   Compiling jobserver v0.1.24
   Compiling filetime v0.2.15
   Compiling socket2 v0.4.4
   Compiling xattr v0.2.2
   Compiling matchers v0.1.0
   Compiling tracing-log v0.1.2
   Compiling rustc_version v0.4.0
   Compiling cc v1.0.73
   Compiling tar v0.4.38
   Compiling vek v0.15.6
   Compiling approx v0.4.0
   Compiling glam v0.20.2
   Compiling openssl-sys v0.9.72
   Compiling libz-sys v1.1.5
   Compiling lzma-sys v0.1.17
   Compiling curl-sys v0.4.52+curl-7.81.0
   Compiling xz2 v0.1.6
   Compiling xz v0.1.0
   Compiling tracing-attributes v0.1.20
   Compiling rustc_codegen_nvvm_macros v0.1.0 (/home/zeta/repos/Rust-CUDA/crates/rustc_codegen_nvvm_macros)
   Compiling cust_derive v0.2.0 (/home/zeta/repos/Rust-CUDA/crates/cust_derive)
   Compiling cust_core v0.1.1 (/home/zeta/repos/Rust-CUDA/crates/cust_core)
   Compiling tracing v0.1.32
   Compiling tracing-subscriber v0.3.9
   Compiling rustc_codegen_nvvm v0.3.0 (/home/zeta/repos/Rust-CUDA/crates/rustc_codegen_nvvm)
warning: In file included from /home/zeta/llvm-7.1.0/include/llvm/CodeGen/TargetSubtargetInfo.h:22,
warning:                  from rustc_llvm_wrapper/PassWrapper.cpp:29:
warning: /home/zeta/llvm-7.1.0/include/llvm/CodeGen/SchedulerRegistry.h: In constructor ‘llvm::RegisterScheduler::RegisterScheduler(const char*, const char*, llvm::RegisterScheduler::FunctionPassCtor)’:
warning: /home/zeta/llvm-7.1.0/include/llvm/CodeGen/SchedulerRegistry.h:40:35: warning: cast between incompatible function types from ‘llvm::RegisterScheduler::FunctionPassCtor’ {aka ‘llvm::ScheduleDAGSDNodes* (*)(llvm::SelectionDAGISel*, llvm::CodeGenOpt::Level)’} to ‘llvm::MachinePassCtor’ {aka ‘void* (*)()’} [-Wcast-function-type]
warning:    40 |   : MachinePassRegistryNode(N, D, (MachinePassCtor)C)
warning:       |                                   ^~~~~~~~~~~~~~~~~~
warning: In file included from rustc_llvm_wrapper/rustllvm.h:15,
warning:                  from rustc_llvm_wrapper/RustWrapper.cpp:11:
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/ArrayRef.h: In instantiation of ‘llvm::ArrayRef<T>::ArrayRef(const std::initializer_list<_Tp>&) [with T = long unsigned int]’:
warning: /home/zeta/llvm-7.1.0/include/llvm/IR/DIBuilder.h:640:31:   required from here
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/ArrayRef.h:102:37: warning: initializing ‘llvm::ArrayRef<long unsigned int>::Data’ from ‘std::initializer_list<long unsigned int>::begin’ does not extend the lifetime of the underlying array [-Winit-list-lifetime]
warning:   102 |     : Data(Vec.begin() == Vec.end() ? (T*)nullptr : Vec.begin()),
warning:       |            ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
warning: In file included from /home/zeta/llvm-7.1.0/include/llvm/ADT/STLExtras.h:21,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/StringRef.h:13,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/StringMap.h:17,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/Support/Host.h:17,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/Hashing.h:49,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/ArrayRef.h:13,
warning:                  from rustc_llvm_wrapper/rustllvm.h:15,
warning:                  from rustc_llvm_wrapper/RustWrapper.cpp:11:
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/SmallVector.h: In instantiation of ‘void llvm::SmallVectorTemplateBase<T, true>::push_back(const T&) [with T = std::pair<void*, long unsigned int>]’:
warning: /home/zeta/llvm-7.1.0/include/llvm/Support/Allocator.h:249:33:   required from ‘void* llvm::BumpPtrAllocatorImpl<AllocatorT, SlabSize, SizeThreshold>::Allocate(size_t, size_t) [with AllocatorT = llvm::MallocAllocator; long unsigned int SlabSize = 4096; long unsigned int SizeThreshold = 4096; size_t = long unsigned int]’
warning: /home/zeta/llvm-7.1.0/include/llvm/Support/YAMLParser.h:138:26:   required from here
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/SmallVector.h:313:11: warning: ‘void* memcpy(void*, const void*, size_t)’ writing to an object of type ‘struct std::pair<void*, long unsigned int>’ with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
warning:   313 |     memcpy(this->end(), &Elt, sizeof(T));
warning:       |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
warning: In file included from /usr/include/c++/11/utility:70,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/Support/type_traits.h:19,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/Optional.h:22,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/STLExtras.h:20,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/StringRef.h:13,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/StringMap.h:17,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/Support/Host.h:17,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/Hashing.h:49,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/ArrayRef.h:13,
warning:                  from rustc_llvm_wrapper/rustllvm.h:15,
warning:                  from rustc_llvm_wrapper/RustWrapper.cpp:11:
warning: /usr/include/c++/11/bits/stl_pair.h:211:12: note: ‘struct std::pair<void*, long unsigned int>’ declared here
warning:   211 |     struct pair
warning:       |            ^~~~
warning: In file included from rustc_llvm_wrapper/rustllvm.h:15,
warning:                  from rustc_llvm_wrapper/PassWrapper.cpp:16:
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/ArrayRef.h: In instantiation of ‘llvm::ArrayRef<T>::ArrayRef(const std::initializer_list<_Tp>&) [with T = long unsigned int]’:
warning: /home/zeta/llvm-7.1.0/include/llvm/IR/DIBuilder.h:640:31:   required from here
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/ArrayRef.h:102:37: warning: initializing ‘llvm::ArrayRef<long unsigned int>::Data’ from ‘std::initializer_list<long unsigned int>::begin’ does not extend the lifetime of the underlying array [-Winit-list-lifetime]
warning:   102 |     : Data(Vec.begin() == Vec.end() ? (T*)nullptr : Vec.begin()),
warning:       |            ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
warning: In file included from /home/zeta/llvm-7.1.0/include/llvm/ADT/STLExtras.h:21,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/StringRef.h:13,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/StringMap.h:17,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/Support/Host.h:17,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/Hashing.h:49,
warning:                  from /home/zeta/llvm-7.1.0/include/llvm/ADT/ArrayRef.h:13,
warning:                  from rustc_llvm_wrapper/rustllvm.h:15,
warning:                  from rustc_llvm_wrapper/PassWrapper.cpp:16:
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/SmallVector.h: In instantiation of ‘void llvm::SmallVectorTemplateBase<T, true>::push_back(const T&) [with T = std::pair<void*, long unsigned int>]’:
warning: /home/zeta/llvm-7.1.0/include/llvm/Support/Allocator.h:249:33:   required from ‘void* llvm::BumpPtrAllocatorImpl<AllocatorT, SlabSize, SizeThreshold>::Allocate(size_t, size_t) [with AllocatorT = llvm::MallocAllocator; long unsigned int SlabSize = 4096; long unsigned int SizeThreshold = 4096; size_t = long unsigned int]’
warning: /home/zeta/llvm-7.1.0/include/llvm/Support/YAMLParser.h:138:26:   required from here
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/SmallVector.h:313:11: warning: ‘void* memcpy(void*, const void*, size_t)’ writing to an object of type ‘struct std::pair<void*, long unsigned int>’ with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
warning:   313 |     memcpy(this->end(), &Elt, sizeof(T));
warning:       |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
warning: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
warning:                  from /usr/include/c++/11/vector:60,
warning:                  from rustc_llvm_wrapper/PassWrapper.cpp:13:
warning: /usr/include/c++/11/bits/stl_pair.h:211:12: note: ‘struct std::pair<void*, long unsigned int>’ declared here
warning:   211 |     struct pair
warning:       |            ^~~~
warning: In file included from /home/zeta/llvm-7.1.0/include/llvm/ADT/DenseSet.h:17,
warning:                  from rustc_llvm_wrapper/rustllvm.h:16,
warning:                  from rustc_llvm_wrapper/PassWrapper.cpp:16:
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/DenseMap.h: In instantiation of ‘void llvm::DenseMapBase<DerivedT, KeyT, ValueT, KeyInfoT, BucketT>::copyFrom(const llvm::DenseMapBase<OtherBaseT, KeyT, ValueT, KeyInfoT, BucketT>&) [with OtherBaseT = llvm::DenseMap<long unsigned int, llvm::GlobalValueSummary*>; DerivedT = llvm::DenseMap<long unsigned int, llvm::GlobalValueSummary*>; KeyT = long unsigned int; ValueT = llvm::GlobalValueSummary*; KeyInfoT = llvm::DenseMapInfo<long unsigned int>; BucketT = llvm::detail::DenseMapPair<long unsigned int, llvm::GlobalValueSummary*>]’:
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/DenseMap.h:711:28:   required from ‘void llvm::DenseMap<KeyT, ValueT, KeyInfoT, BucketT>::copyFrom(const llvm::DenseMap<KeyT, ValueT, KeyInfoT, BucketT>&) [with KeyT = long unsigned int; ValueT = llvm::GlobalValueSummary*; KeyInfoT = llvm::DenseMapInfo<long unsigned int>; BucketT = llvm::detail::DenseMapPair<long unsigned int, llvm::GlobalValueSummary*>]’
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/DenseMap.h:665:5:   required from ‘llvm::DenseMap<KeyT, ValueT, KeyInfoT, BucketT>::DenseMap(const llvm::DenseMap<KeyT, ValueT, KeyInfoT, BucketT>&) [with KeyT = long unsigned int; ValueT = llvm::GlobalValueSummary*; KeyInfoT = llvm::DenseMapInfo<long unsigned int>; BucketT = llvm::detail::DenseMapPair<long unsigned int, llvm::GlobalValueSummary*>]’
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/StringMap.h:350:18:   required from ‘ValueTy llvm::StringMap<ValueTy, AllocatorTy>::lookup(llvm::StringRef) const [with ValueTy = llvm::DenseMap<long unsigned int, llvm::GlobalValueSummary*>; AllocatorTy = llvm::MallocAllocator]’
warning: rustc_llvm_wrapper/PassWrapper.cpp:1200:71:   required from here
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/DenseMap.h:396:13: warning: ‘void* memcpy(void*, const void*, size_t)’ writing to an object of type ‘struct llvm::detail::DenseMapPair<long unsigned int, llvm::GlobalValueSummary*>’ with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
warning:   396 |       memcpy(getBuckets(), other.getBuckets(),
warning:       |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
warning:   397 |              getNumBuckets() * sizeof(BucketT));
warning:       |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
warning: /home/zeta/llvm-7.1.0/include/llvm/ADT/DenseMap.h:40:8: note: ‘struct llvm::detail::DenseMapPair<long unsigned int, llvm::GlobalValueSummary*>’ declared here
warning:    40 | struct DenseMapPair : public std::pair<KeyT, ValueT> {
warning:       |        ^~~~~~~~~~~~
   Compiling cuda_builder v0.3.0 (/home/zeta/repos/Rust-CUDA/crates/cuda_builder)
   Compiling add v0.1.0 (/home/zeta/repos/Rust-CUDA/examples/cuda/cpu/add)
error: failed to run custom build command for `add v0.1.0 (/home/zeta/repos/Rust-CUDA/examples/cuda/cpu/add)`

Caused by:
  process didn't exit successfully: `/home/zeta/repos/Rust-CUDA/target/debug/build/add-34c097f5387f9249/build-script-build` (exit status: 101)
  --- stdout
  cargo:rerun-if-changed=../../gpu/add_gpu

  --- stderr
     Compiling compiler_builtins v0.1.55
     Compiling core v0.0.0 (/home/zeta/.rustup/toolchains/nightly-2021-12-04-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core)
     Compiling autocfg v1.1.0
     Compiling semver v1.0.6
     Compiling libm v0.2.2
     Compiling proc-macro2 v1.0.36
     Compiling unicode-xid v0.2.2
     Compiling syn v1.0.86
     Compiling paste v1.0.6
     Compiling num-traits v0.2.14
     Compiling num-integer v0.1.44
     Compiling rustc_version v0.4.0
     Compiling quote v1.0.15
     Compiling vek v0.15.6
     Compiling cuda_std_macros v0.2.0 (/home/zeta/repos/Rust-CUDA/crates/cuda_std_macros)
     Compiling rustc-std-workspace-core v1.99.0 (/home/zeta/.rustup/toolchains/nightly-2021-12-04-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/rustc-std-workspace-core)
  /home/zeta/.rustup/toolchains/nightly-2021-12-04-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-713ba8e674184066.so(+0x4d4be3)[0x7fde8decebe3]
  /lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7fde8d474520]
  /lib/x86_64-linux-gnu/libstdc++.so.6(_ZNSsC2ERKSs+0x1d)[0x7fde84e962bd]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x1a24901)[0x7fde869df901]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x1a1f542)[0x7fde869da542]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x999054)[0x7fde85954054]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x9186e9)[0x7fde858d36e9]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x91a41d)[0x7fde858d541d]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x92f4b8)[0x7fde858ea4b8]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x95838d)[0x7fde8591338d]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x908041)[0x7fde858c3041]
  /home/zeta/.rustup/toolchains/nightly-2021-12-04-x86_64-unknown-linux-gnu/bin/../lib/libstd-13e2ae73269b4206.so(rust_metadata_std_f24903a91e569aa2+0xa99b3)[0x7fde8d7349b3]
  /lib/x86_64-linux-gnu/libc.so.6(+0x94947)[0x7fde8d4c6947]
  /lib/x86_64-linux-gnu/libc.so.6(clone+0x44)[0x7fde8d556a44]
  /home/zeta/.rustup/toolchains/nightly-2021-12-04-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-713ba8e674184066.so(+0x4d4be3)[0x7f4617b8bbe3]
  /lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7f4617131520]
  /lib/x86_64-linux-gnu/libc.so.6(+0x197f00)[0x7f4617286f00]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x1a1055f)[0x7f46107cb55f]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x1a1f59a)[0x7f46107da59a]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x999054)[0x7f460f754054]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x9186e9)[0x7f460f6d36e9]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x91a41d)[0x7f460f6d541d]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x92f4b8)[0x7f460f6ea4b8]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x95838d)[0x7f460f71338d]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x908041)[0x7f460f6c3041]
  /home/zeta/.rustup/toolchains/nightly-2021-12-04-x86_64-unknown-linux-gnu/bin/../lib/libstd-13e2ae73269b4206.so(rust_metadata_std_f24903a91e569aa2+0xa99b3)[0x7f46173f19b3]
  /lib/x86_64-linux-gnu/libc.so.6(+0x94947)[0x7f4617183947]
  /lib/x86_64-linux-gnu/libc.so.6(clone+0x44)[0x7f4617213a44]
  error: could not compile `rustc-std-workspace-core`

  Caused by:
    process didn't exit successfully: `rustc --crate-name rustc_std_workspace_core --edition=2018 /home/zeta/.rustup/toolchains/nightly-2021-12-04-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/rustc-std-workspace-core/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=1 -C overflow-checks=on -C metadata=f0bb55e3c25ff57e -C extra-filename=-f0bb55e3c25ff57e --out-dir /home/zeta/repos/Rust-CUDA/target/cuda-builder/nvptx64-nvidia-cuda/release/deps --target nvptx64-nvidia-cuda -Z force-unstable-if-unmarked -L dependency=/home/zeta/repos/Rust-CUDA/target/cuda-builder/nvptx64-nvidia-cuda/release/deps -L dependency=/home/zeta/repos/Rust-CUDA/target/cuda-builder/release/deps --extern core=/home/zeta/repos/Rust-CUDA/target/cuda-builder/nvptx64-nvidia-cuda/release/deps/libcore-f8fbafb5a7b3b2c0.rmeta --cap-lints allow -Zcodegen-backend=/home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so '-Cllvm-args=-arch=compute_61 --override-libm'` (signal: 11, SIGSEGV: invalid memory reference)
  warning: build failed, waiting for other jobs to finish...
  /home/zeta/.rustup/toolchains/nightly-2021-12-04-x86_64-unknown-linux-gnu/bin/../lib/librustc_driver-713ba8e674184066.so(+0x4d4be3)[0x7f2a1a248be3]
  /lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7f2a197ee520]
  /lib/x86_64-linux-gnu/libc.so.6(+0x197f00)[0x7f2a19943f00]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x1a1055f)[0x7f2a12dcb55f]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x1a1f59a)[0x7f2a12dda59a]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x999054)[0x7f2a11d54054]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x9186e9)[0x7f2a11cd36e9]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x91a41d)[0x7f2a11cd541d]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x92f4b8)[0x7f2a11cea4b8]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x95838d)[0x7f2a11d1338d]
  /home/zeta/repos/Rust-CUDA/target/debug/deps/librustc_codegen_nvvm.so(+0x908041)[0x7f2a11cc3041]
  /home/zeta/.rustup/toolchains/nightly-2021-12-04-x86_64-unknown-linux-gnu/bin/../lib/libstd-13e2ae73269b4206.so(rust_metadata_std_f24903a91e569aa2+0xa99b3)[0x7f2a19aae9b3]
  /lib/x86_64-linux-gnu/libc.so.6(+0x94947)[0x7f2a19840947]
  /lib/x86_64-linux-gnu/libc.so.6(clone+0x44)[0x7f2a198d0a44]
  error: build failed
  thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: BuildFailed', examples/cuda/cpu/add/build.rs:7:10
  stack backtrace:
     0:     0x55bd76b7663c - std::backtrace_rs::backtrace::libunwind::trace::hf7449935ead7573e
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
     1:     0x55bd76b7663c - std::backtrace_rs::backtrace::trace_unsynchronized::h221aa2d88d72372a
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
     2:     0x55bd76b7663c - std::sys_common::backtrace::_print_fmt::h1c77e8983e1df895
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/sys_common/backtrace.rs:67:5
     3:     0x55bd76b7663c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd4ec41a9a6b0d22c
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/sys_common/backtrace.rs:46:22
     4:     0x55bd76b9982c - core::fmt::write::h72801a82c94e6ff1
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/core/src/fmt/mod.rs:1149:17
     5:     0x55bd76b72825 - std::io::Write::write_fmt::haf74340a8cbeaa88
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/io/mod.rs:1697:15
     6:     0x55bd76b77d80 - std::sys_common::backtrace::_print::h2d15cd157796a64a
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/sys_common/backtrace.rs:49:5
     7:     0x55bd76b77d80 - std::sys_common::backtrace::print::h52d286d22e2398eb
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/sys_common/backtrace.rs:36:9
     8:     0x55bd76b77d80 - std::panicking::default_hook::{{closure}}::h6da08fba6306daf2
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:211:50
     9:     0x55bd76b7792b - std::panicking::default_hook::h266f67a22e76b11a
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:228:9
    10:     0x55bd76b78564 - std::panicking::rust_panic_with_hook::he55698a957f4fb6d
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:606:17
    11:     0x55bd76b78010 - std::panicking::begin_panic_handler::{{closure}}::h01f453c3ac181895
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:502:13
    12:     0x55bd76b76ae4 - std::sys_common::backtrace::__rust_end_short_backtrace::h675d77c6e5a3926d
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/sys_common/backtrace.rs:139:18
    13:     0x55bd76b77f79 - rust_begin_unwind
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:498:5
    14:     0x55bd76b982c1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/core/src/panicking.rs:107:14
    15:     0x55bd76b98573 - core::result::unwrap_failed::h885d3f7beb571353
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/core/src/result.rs:1660:5
    16:     0x55bd76b0a8bc - core::result::Result<T,E>::unwrap::h7cad7d4d8f622d94
    17:     0x55bd76b0a9c4 - build_script_build::main::hcc15305ed3914600
    18:     0x55bd76b0ad63 - core::ops::function::FnOnce::call_once::h4294fec930b869be
    19:     0x55bd76b0a7f9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8ddd2afd426b9805
    20:     0x55bd76b0aa49 - std::rt::lang_start::{{closure}}::he17181887215836e
    21:     0x55bd76b75e81 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3ab949a23c24b3b3
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/core/src/ops/function.rs:259:13
    22:     0x55bd76b75e81 - std::panicking::try::do_call::hd77545f815897665
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:406:40
    23:     0x55bd76b75e81 - std::panicking::try::h7ce07831cfe77010
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:370:19
    24:     0x55bd76b75e81 - std::panic::catch_unwind::h3a6382eb739fc3cb
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panic.rs:133:14
    25:     0x55bd76b75e81 - std::rt::lang_start_internal::{{closure}}::ha0ce13fbefa6ed19
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/rt.rs:128:48
    26:     0x55bd76b75e81 - std::panicking::try::do_call::hbacbc27e75105135
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:406:40
    27:     0x55bd76b75e81 - std::panicking::try::he42832d690a14084
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:370:19
    28:     0x55bd76b75e81 - std::panic::catch_unwind::h868b7b91fa924314
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panic.rs:133:14
    29:     0x55bd76b75e81 - std::rt::lang_start_internal::h7797a51a89d842a3
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/rt.rs:128:20
    30:     0x55bd76b0aa31 - std::rt::lang_start::hf668bbaa54c4815d
    31:     0x55bd76b0a9f3 - main
    32:     0x7f31c0db7fd0 - <unknown>
    33:     0x7f31c0db807d - __libc_start_main
    34:     0x55bd76b0a725 - _start
    35:                0x0 - <unknown>
@RDambrosio016
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Have you tried just running it again? Sometimes it yields spurious segfaults i haven't quite been able to track down. Other than that, building llvm with debug assertions and using that will yield more info

@zetanumbers
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I've used prebuilt release from https://releases.llvm.org/ . I guess i should build it myself now.

@zetanumbers
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I have built llvm 7.1.0 from source with -DLLVM_ENABLE_ASSERTIONS=On

`RUST_BACKTRACE=full cargo run -p add` 
warning: In file included from /home/zeta/llvm-7/include/llvm/CodeGen/TargetSubtargetInfo.h:22,
warning:                  from rustc_llvm_wrapper/PassWrapper.cpp:29:
warning: /home/zeta/llvm-7/include/llvm/CodeGen/SchedulerRegistry.h: In constructor ‘llvm::RegisterScheduler::RegisterScheduler(const char*, const char*, llvm::RegisterScheduler::FunctionPassCtor)’:
warning: /home/zeta/llvm-7/include/llvm/CodeGen/SchedulerRegistry.h:40:35: warning: cast between incompatible function types from ‘llvm::RegisterScheduler::FunctionPassCtor’ {aka ‘llvm::ScheduleDAGSDNodes* (*)(llvm::SelectionDAGISel*, llvm::CodeGenOpt::Level)’} to ‘llvm::MachinePassCtor’ {aka ‘void* (*)()’} [-Wcast-function-type]
warning:    40 |   : MachinePassRegistryNode(N, D, (MachinePassCtor)C)
warning:       |                                   ^~~~~~~~~~~~~~~~~~
warning: In file included from rustc_llvm_wrapper/rustllvm.h:15,
warning:                  from rustc_llvm_wrapper/RustWrapper.cpp:11:
warning: /home/zeta/llvm-7/include/llvm/ADT/ArrayRef.h: In instantiation of ‘llvm::ArrayRef<T>::ArrayRef(const std::initializer_list<_Tp>&) [with T = long unsigned int]’:
warning: /home/zeta/llvm-7/include/llvm/IR/DIBuilder.h:640:31:   required from here
warning: /home/zeta/llvm-7/include/llvm/ADT/ArrayRef.h:102:37: warning: initializing ‘llvm::ArrayRef<long unsigned int>::Data’ from ‘std::initializer_list<long unsigned int>::begin’ does not extend the lifetime of the underlying array [-Winit-list-lifetime]
warning:   102 |     : Data(Vec.begin() == Vec.end() ? (T*)nullptr : Vec.begin()),
warning:       |            ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
warning: In file included from /home/zeta/llvm-7/include/llvm/ADT/STLExtras.h:21,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/StringRef.h:13,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/StringMap.h:17,
warning:                  from /home/zeta/llvm-7/include/llvm/Support/Host.h:17,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/Hashing.h:49,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/ArrayRef.h:13,
warning:                  from rustc_llvm_wrapper/rustllvm.h:15,
warning:                  from rustc_llvm_wrapper/RustWrapper.cpp:11:
warning: /home/zeta/llvm-7/include/llvm/ADT/SmallVector.h: In instantiation of ‘void llvm::SmallVectorTemplateBase<T, true>::push_back(const T&) [with T = std::pair<void*, long unsigned int>]’:
warning: /home/zeta/llvm-7/include/llvm/Support/Allocator.h:249:33:   required from ‘void* llvm::BumpPtrAllocatorImpl<AllocatorT, SlabSize, SizeThreshold>::Allocate(size_t, size_t) [with AllocatorT = llvm::MallocAllocator; long unsigned int SlabSize = 4096; long unsigned int SizeThreshold = 4096; size_t = long unsigned int]’
warning: /home/zeta/llvm-7/include/llvm/Support/YAMLParser.h:138:26:   required from here
warning: /home/zeta/llvm-7/include/llvm/ADT/SmallVector.h:313:11: warning: ‘void* memcpy(void*, const void*, size_t)’ writing to an object of type ‘struct std::pair<void*, long unsigned int>’ with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
warning:   313 |     memcpy(this->end(), &Elt, sizeof(T));
warning:       |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
warning: In file included from /usr/include/c++/11/utility:70,
warning:                  from /home/zeta/llvm-7/include/llvm/Support/type_traits.h:19,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/Optional.h:22,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/STLExtras.h:20,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/StringRef.h:13,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/StringMap.h:17,
warning:                  from /home/zeta/llvm-7/include/llvm/Support/Host.h:17,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/Hashing.h:49,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/ArrayRef.h:13,
warning:                  from rustc_llvm_wrapper/rustllvm.h:15,
warning:                  from rustc_llvm_wrapper/RustWrapper.cpp:11:
warning: /usr/include/c++/11/bits/stl_pair.h:211:12: note: ‘struct std::pair<void*, long unsigned int>’ declared here
warning:   211 |     struct pair
warning:       |            ^~~~
warning: In file included from rustc_llvm_wrapper/rustllvm.h:15,
warning:                  from rustc_llvm_wrapper/PassWrapper.cpp:16:
warning: /home/zeta/llvm-7/include/llvm/ADT/ArrayRef.h: In instantiation of ‘llvm::ArrayRef<T>::ArrayRef(const std::initializer_list<_Tp>&) [with T = long unsigned int]’:
warning: /home/zeta/llvm-7/include/llvm/IR/DIBuilder.h:640:31:   required from here
warning: /home/zeta/llvm-7/include/llvm/ADT/ArrayRef.h:102:37: warning: initializing ‘llvm::ArrayRef<long unsigned int>::Data’ from ‘std::initializer_list<long unsigned int>::begin’ does not extend the lifetime of the underlying array [-Winit-list-lifetime]
warning:   102 |     : Data(Vec.begin() == Vec.end() ? (T*)nullptr : Vec.begin()),
warning:       |            ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
warning: In file included from /home/zeta/llvm-7/include/llvm/ADT/STLExtras.h:21,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/StringRef.h:13,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/StringMap.h:17,
warning:                  from /home/zeta/llvm-7/include/llvm/Support/Host.h:17,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/Hashing.h:49,
warning:                  from /home/zeta/llvm-7/include/llvm/ADT/ArrayRef.h:13,
warning:                  from rustc_llvm_wrapper/rustllvm.h:15,
warning:                  from rustc_llvm_wrapper/PassWrapper.cpp:16:
warning: /home/zeta/llvm-7/include/llvm/ADT/SmallVector.h: In instantiation of ‘void llvm::SmallVectorTemplateBase<T, true>::push_back(const T&) [with T = std::pair<void*, long unsigned int>]’:
warning: /home/zeta/llvm-7/include/llvm/Support/Allocator.h:249:33:   required from ‘void* llvm::BumpPtrAllocatorImpl<AllocatorT, SlabSize, SizeThreshold>::Allocate(size_t, size_t) [with AllocatorT = llvm::MallocAllocator; long unsigned int SlabSize = 4096; long unsigned int SizeThreshold = 4096; size_t = long unsigned int]’
warning: /home/zeta/llvm-7/include/llvm/Support/YAMLParser.h:138:26:   required from here
warning: /home/zeta/llvm-7/include/llvm/ADT/SmallVector.h:313:11: warning: ‘void* memcpy(void*, const void*, size_t)’ writing to an object of type ‘struct std::pair<void*, long unsigned int>’ with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
warning:   313 |     memcpy(this->end(), &Elt, sizeof(T));
warning:       |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
warning: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
warning:                  from /usr/include/c++/11/vector:60,
warning:                  from rustc_llvm_wrapper/PassWrapper.cpp:13:
warning: /usr/include/c++/11/bits/stl_pair.h:211:12: note: ‘struct std::pair<void*, long unsigned int>’ declared here
warning:   211 |     struct pair
warning:       |            ^~~~
warning: In file included from /home/zeta/llvm-7/include/llvm/ADT/DenseSet.h:17,
warning:                  from rustc_llvm_wrapper/rustllvm.h:16,
warning:                  from rustc_llvm_wrapper/PassWrapper.cpp:16:
warning: /home/zeta/llvm-7/include/llvm/ADT/DenseMap.h: In instantiation of ‘void llvm::DenseMapBase<DerivedT, KeyT, ValueT, KeyInfoT, BucketT>::copyFrom(const llvm::DenseMapBase<OtherBaseT, KeyT, ValueT, KeyInfoT, BucketT>&) [with OtherBaseT = llvm::DenseMap<long unsigned int, llvm::GlobalValueSummary*>; DerivedT = llvm::DenseMap<long unsigned int, llvm::GlobalValueSummary*>; KeyT = long unsigned int; ValueT = llvm::GlobalValueSummary*; KeyInfoT = llvm::DenseMapInfo<long unsigned int>; BucketT = llvm::detail::DenseMapPair<long unsigned int, llvm::GlobalValueSummary*>]’:
warning: /home/zeta/llvm-7/include/llvm/ADT/DenseMap.h:711:28:   required from ‘void llvm::DenseMap<KeyT, ValueT, KeyInfoT, BucketT>::copyFrom(const llvm::DenseMap<KeyT, ValueT, KeyInfoT, BucketT>&) [with KeyT = long unsigned int; ValueT = llvm::GlobalValueSummary*; KeyInfoT = llvm::DenseMapInfo<long unsigned int>; BucketT = llvm::detail::DenseMapPair<long unsigned int, llvm::GlobalValueSummary*>]’
warning: /home/zeta/llvm-7/include/llvm/ADT/DenseMap.h:665:5:   required from ‘llvm::DenseMap<KeyT, ValueT, KeyInfoT, BucketT>::DenseMap(const llvm::DenseMap<KeyT, ValueT, KeyInfoT, BucketT>&) [with KeyT = long unsigned int; ValueT = llvm::GlobalValueSummary*; KeyInfoT = llvm::DenseMapInfo<long unsigned int>; BucketT = llvm::detail::DenseMapPair<long unsigned int, llvm::GlobalValueSummary*>]’
warning: /home/zeta/llvm-7/include/llvm/ADT/StringMap.h:350:18:   required from ‘ValueTy llvm::StringMap<ValueTy, AllocatorTy>::lookup(llvm::StringRef) const [with ValueTy = llvm::DenseMap<long unsigned int, llvm::GlobalValueSummary*>; AllocatorTy = llvm::MallocAllocator]’
warning: rustc_llvm_wrapper/PassWrapper.cpp:1200:71:   required from here
warning: /home/zeta/llvm-7/include/llvm/ADT/DenseMap.h:396:13: warning: ‘void* memcpy(void*, const void*, size_t)’ writing to an object of type ‘struct llvm::detail::DenseMapPair<long unsigned int, llvm::GlobalValueSummary*>’ with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]
warning:   396 |       memcpy(getBuckets(), other.getBuckets(),
warning:       |       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
warning:   397 |              getNumBuckets() * sizeof(BucketT));
warning:       |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
warning: /home/zeta/llvm-7/include/llvm/ADT/DenseMap.h:40:8: note: ‘struct llvm::detail::DenseMapPair<long unsigned int, llvm::GlobalValueSummary*>’ declared here
warning:    40 | struct DenseMapPair : public std::pair<KeyT, ValueT> {
warning:       |        ^~~~~~~~~~~~
   Compiling add v0.1.0 (/home/zeta/repos/Rust-CUDA/examples/cuda/cpu/add)
error: failed to run custom build command for `add v0.1.0 (/home/zeta/repos/Rust-CUDA/examples/cuda/cpu/add)`

Caused by:
  process didn't exit successfully: `/home/zeta/repos/Rust-CUDA/target/debug/build/add-34c097f5387f9249/build-script-build` (exit status: 101)
  --- stdout
  cargo:rerun-if-changed=../../gpu/add_gpu

  --- stderr
     Compiling cuda_std v0.2.2 (/home/zeta/repos/Rust-CUDA/crates/cuda_std)
  warning: function is never used: `double_ordering_from_one`
    --> crates/cuda_std/src/atomic.rs:65:4
     |
  65 | fn double_ordering_from_one(ordering: Ordering) -> (Ordering, Ordering) {
     |    ^^^^^^^^^^^^^^^^^^^^^^^^
     |
     = note: `#[warn(dead_code)]` on by default

  Intrinsic has incorrect return type!
  i32 (i32, i64)* @llvm.nvvm.match.any.sync.i64
  Intrinsic has incorrect return type!
  i32 (i32, i64)* @llvm.nvvm.match.any.sync.i64
  Intrinsic has incorrect return type!
  i32 (i32, i64)* @llvm.nvvm.match.any.sync.i64
  LLVM ERROR: Broken module found, compilation aborted!
  warning: `cuda_std` (lib) generated 1 warning
  error: could not compile `cuda_std`; 1 warning emitted
  thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: BuildFailed', examples/cuda/cpu/add/build.rs:7:10
  stack backtrace:
     0:     0x55fe5044b63c - std::backtrace_rs::backtrace::libunwind::trace::hf7449935ead7573e
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
     1:     0x55fe5044b63c - std::backtrace_rs::backtrace::trace_unsynchronized::h221aa2d88d72372a
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
     2:     0x55fe5044b63c - std::sys_common::backtrace::_print_fmt::h1c77e8983e1df895
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/sys_common/backtrace.rs:67:5
     3:     0x55fe5044b63c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd4ec41a9a6b0d22c
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/sys_common/backtrace.rs:46:22
     4:     0x55fe5046e82c - core::fmt::write::h72801a82c94e6ff1
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/core/src/fmt/mod.rs:1149:17
     5:     0x55fe50447825 - std::io::Write::write_fmt::haf74340a8cbeaa88
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/io/mod.rs:1697:15
     6:     0x55fe5044cd80 - std::sys_common::backtrace::_print::h2d15cd157796a64a
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/sys_common/backtrace.rs:49:5
     7:     0x55fe5044cd80 - std::sys_common::backtrace::print::h52d286d22e2398eb
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/sys_common/backtrace.rs:36:9
     8:     0x55fe5044cd80 - std::panicking::default_hook::{{closure}}::h6da08fba6306daf2
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:211:50
     9:     0x55fe5044c92b - std::panicking::default_hook::h266f67a22e76b11a
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:228:9
    10:     0x55fe5044d564 - std::panicking::rust_panic_with_hook::he55698a957f4fb6d
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:606:17
    11:     0x55fe5044d010 - std::panicking::begin_panic_handler::{{closure}}::h01f453c3ac181895
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:502:13
    12:     0x55fe5044bae4 - std::sys_common::backtrace::__rust_end_short_backtrace::h675d77c6e5a3926d
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/sys_common/backtrace.rs:139:18
    13:     0x55fe5044cf79 - rust_begin_unwind
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:498:5
    14:     0x55fe5046d2c1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/core/src/panicking.rs:107:14
    15:     0x55fe5046d573 - core::result::unwrap_failed::h885d3f7beb571353
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/core/src/result.rs:1660:5
    16:     0x55fe503df8bc - core::result::Result<T,E>::unwrap::h7cad7d4d8f622d94
    17:     0x55fe503df9c4 - build_script_build::main::hcc15305ed3914600
    18:     0x55fe503dfd63 - core::ops::function::FnOnce::call_once::h4294fec930b869be
    19:     0x55fe503df7f9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8ddd2afd426b9805
    20:     0x55fe503dfa49 - std::rt::lang_start::{{closure}}::he17181887215836e
    21:     0x55fe5044ae81 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3ab949a23c24b3b3
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/core/src/ops/function.rs:259:13
    22:     0x55fe5044ae81 - std::panicking::try::do_call::hd77545f815897665
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:406:40
    23:     0x55fe5044ae81 - std::panicking::try::h7ce07831cfe77010
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:370:19
    24:     0x55fe5044ae81 - std::panic::catch_unwind::h3a6382eb739fc3cb
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panic.rs:133:14
    25:     0x55fe5044ae81 - std::rt::lang_start_internal::{{closure}}::ha0ce13fbefa6ed19
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/rt.rs:128:48
    26:     0x55fe5044ae81 - std::panicking::try::do_call::hbacbc27e75105135
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:406:40
    27:     0x55fe5044ae81 - std::panicking::try::he42832d690a14084
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panicking.rs:370:19
    28:     0x55fe5044ae81 - std::panic::catch_unwind::h868b7b91fa924314
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/panic.rs:133:14
    29:     0x55fe5044ae81 - std::rt::lang_start_internal::h7797a51a89d842a3
                                 at /rustc/532d2b14c05f9bc20b2d27cbb5f4550d28343a36/library/std/src/rt.rs:128:20
    30:     0x55fe503dfa31 - std::rt::lang_start::hf668bbaa54c4815d
    31:     0x55fe503df9f3 - main
    32:     0x7fd4dfc3bfd0 - <unknown>
    33:     0x7fd4dfc3c07d - __libc_start_main
    34:     0x55fe503df725 - _start
    35:                0x0 - <unknown>

@zetanumbers
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I have installed cuda version 11.4.4 as the last cuda version that bundles with 470 version of nvidida driver, that supports nvidia gtx 780. Maybe i have too old of a video card? In that case i think it should be mentioned in the getting started chapter.

@RDambrosio016
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seems i messed something up when adding warp matches, the intrinsics seem mistyped, im currently away from my pc but ill check it out ASAP

@RDambrosio016 RDambrosio016 added bug Something isn't working C-rustc_codegen_nvvm Category: the NVVM Rustc codegen labels Mar 11, 2022
@locadani
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locadani commented Apr 8, 2023 •
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I have the same problem. I used prebuilt LLVM (if this can help). I looked deeper in the functions called and in my case the problem is given by the function crates/cuda_builder/src/invoke_rustc, which stops the building execution. Try adding a println!("cargo:warning=Anything"); after it and tell me if you have the same problem

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bug Something isn't working C-rustc_codegen_nvvm Category: the NVVM Rustc codegen
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@RDambrosio016 @zetanumbers @locadani