Package: g++-14
Version: 14.2.0-14
Severity: important
Dear maintainer,
We noted that pytorch 2.6.0 FTBFS on arm64 due to an internal compiler
error from g++. The relevant part of error log reads:
```
/usr/bin/c++ -DAT_BUILD_ARM_VEC256_WITH_SLEEF -DAT_PER_OPERATOR_HEADERS
-DBUILD_ONEDNN_GRAPH -DCAFFE2_BUILD_MAIN_LIB -DCAFFE2_PERF_WITH_SVE=1
-DDNNL_EXPERIMENTAL_UKERNEL -DFLASHATTENTION_DISABLE_ALIBI -DFMT_HEADER_ONLY=1 -
DHAVE_MALLOC_USABLE_SIZE=1 -DHAVE_MMAP=1 -DHAVE_SHM_OPEN=1 -DHAVE_SHM_UNLINK=1
-DMINIZ_DISABLE_ZIP_READER_CRC32_CHECKS -DONNXIFI_ENABLE_EXT=1 -DONNX_ML=1
-DONNX_NAMESPACE=onnx -DTORCH_ENABLE_LLVM -DUSE_C10D_GLOO -
DUSE_C10D_MPI -DUSE_DISTRIBUTED -DUSE_EXTERNAL_MZCRC -DUSE_RPC -DUSE_TENSORPIPE
-D_FILE_OFFSET_BITS=64 -Dtorch_cpu_EXPORTS
-I/build/reproducible-path/pytorch-2.6.0+dfsg/build/aten/src
-I/build/reproducible-path/pytorch-
2.6.0+dfsg/aten/src -I/build/reproducible-path/pytorch-2.6.0+dfsg/build
-I/build/reproducible-path/pytorch-2.6.0+dfsg
-I/build/reproducible-path/pytorch-2.6.0+dfsg/cmake/../third_party/benchmark/include
-I/usr/lib/llvm-
19/include -I/build/reproducible-path/pytorch-2.6.0+dfsg/nlohmann
-I/build/reproducible-path/pytorch-2.6.0+dfsg/torch/csrc/api
-I/build/reproducible-path/pytorch-2.6.0+dfsg/torch/csrc/api/include
-I/build/reproducible-
path/pytorch-2.6.0+dfsg/caffe2/aten/src/TH
-I/build/reproducible-path/pytorch-2.6.0+dfsg/build/caffe2/aten/src/TH
-I/build/reproducible-path/pytorch-2.6.0+dfsg/build/caffe2/aten/src
-I/build/reproducible-path/pytorch-
2.6.0+dfsg/build/caffe2/../aten/src
-I/build/reproducible-path/pytorch-2.6.0+dfsg/torch/csrc
-I/build/reproducible-path/pytorch-2.6.0+dfsg/third_party/miniz-3.0.2
-I/build/reproducible-path/pytorch-
2.6.0+dfsg/debian/kineto/libkineto/include
-I/build/reproducible-path/pytorch-2.6.0+dfsg/debian/kineto/libkineto/src
-I/build/reproducible-path/pytorch-2.6.0+dfsg/third_party/cpp-httplib
-I/build/reproducible-path/pytorch-
2.6.0+dfsg/aten/src/ATen/..
-I/build/reproducible-path/pytorch-2.6.0+dfsg/c10/..
-I/build/reproducible-path/pytorch-2.6.0+dfsg/third_party/flatbuffers/include
-isystem /build/reproducible-path/pytorch-
2.6.0+dfsg/cmake/../third_party/googletest/googlemock/include -isystem
/build/reproducible-path/pytorch-2.6.0+dfsg/cmake/../third_party/googletest/googletest/include
-isystem /usr/include/eigen3 -isystem
/usr/include/oneapi/dnnl -isystem
/build/reproducible-path/pytorch-2.6.0+dfsg/INTERFACE -isystem
/build/reproducible-path/pytorch-2.6.0+dfsg/third_party/nlohmann/include
-isystem /build/reproducible-path/pytorch-
2.6.0+dfsg/caffe2 -isystem /usr/lib/aarch64-linux-gnu/openmpi/include -isystem
/usr/lib/aarch64-linux-gnu/openmpi/include/openmpi -Wdate-time
-D_FORTIFY_SOURCE=2 -g -O2 -ffile-prefix-map=/build/reproducible-path/pytorch-
2.6.0+dfsg=. -fstack-protector-strong -fstack-clash-protection -Wformat
-Werror=format-security -mbranch-protection=standard -gsplit-dwarf
-Wno-dangling-reference -I/usr -D_GLIBCXX_USE_CXX11_ABI=1 -fvisibility-inlines-
hidden -DUSE_PTHREADPOOL -DUSE_KINETO -DLIBKINETO_NOCUPTI
-DLIBKINETO_NOROCTRACER -DLIBKINETO_NOXPUPTI=ON
-DAT_BUILD_ARM_VEC256_WITH_SLEEF -DUSE_XNNPACK
-DSYMBOLICATE_MOBILE_DEBUG_HANDLE -O2 -fPIC -Wall -Wextra -
Werror=return-type -Werror=non-virtual-dtor -Werror=range-loop-construct
-Werror=bool-operation -Wnarrowing -Wno-missing-field-initializers
-Wno-type-limits -Wno-array-bounds -Wno-unknown-pragmas -Wno-unused-parameter
-Wno-
strict-overflow -Wno-strict-aliasing -Wno-stringop-overflow -Wsuggest-override
-Wno-psabi -Wno-error=old-style-cast -Wno-missing-braces
-fdiagnostics-color=always -faligned-new -Wno-unused-but-set-variable
-Wno-maybe-
uninitialized -fno-math-errno -fno-trapping-math -Werror=format
-Wno-error=dangling-reference -Wno-error=redundant-move -Wno-stringop-overflow
-DHAVE_SVE_CPU_DEFINITION -DHAVE_SVE256_CPU_DEFINITION -O2 -g -DNDEBUG -
std=gnu++17 -fPIC -DCAFFE2_USE_GLOO -D__NEON__ -Wall -Wextra -Wdeprecated
-Wno-unused-parameter -Wno-missing-field-initializers -Wno-array-bounds
-Wno-unknown-pragmas -Wno-strict-overflow -Wno-strict-aliasing -Wunused-
function -Wunused-variable -Wunused-but-set-variable -Wno-maybe-uninitialized
-fvisibility=hidden -O2 -fopenmp -O3 -DCPU_CAPABILITY=DEFAULT
-DCPU_CAPABILITY_DEFAULT -MD -MT
caffe2/CMakeFiles/torch_cpu.dir/__/aten/src/ATen/native/cpu/Activation.cpp.DEFAULT.cpp.o
-MF
caffe2/CMakeFiles/torch_cpu.dir/__/aten/src/ATen/native/cpu/Activation.cpp.DEFAULT.cpp.o.d
-o
caffe2/CMakeFiles/torch_cpu.dir/__/aten/src/ATen/native/cpu/Activation.cpp.DEFAULT.cpp.o
-c
/build/reproducible-path/pytorch-2.6.0+dfsg/build/aten/src/ATen/native/cpu/Activation.cpp.DEFAULT.cpp
during RTL pass: expand
In file included from
/build/reproducible-path/pytorch-2.6.0+dfsg/aten/src/ATen/native/cpu/Activation.cpp:12,
from
/build/reproducible-path/pytorch-2.6.0+dfsg/build/aten/src/ATen/native/cpu/Activation.cpp.DEFAULT.cpp:1:
/build/reproducible-path/pytorch-2.6.0+dfsg/aten/src/ATen/native/cpu/Activation.cpp:
In lambda function:
/build/reproducible-path/pytorch-2.6.0+dfsg/aten/src/ATen/native/cpu/Activation.cpp:89:7:
internal compiler error: Segmentation fault
89 | });
| ^
/build/reproducible-path/pytorch-2.6.0+dfsg/aten/src/ATen/Dispatch.h:202:7:
note: in definition of macro ‘AT_DISPATCH_SWITCH’
202 | __VA_ARGS__
\
| ^~~~~~~~~~~
/build/reproducible-path/pytorch-2.6.0+dfsg/aten/src/ATen/Dispatch.h:73:3:
note: in expansion of macro ‘AT_PRIVATE_CASE_TYPE_USING_HINT’
73 | AT_PRIVATE_CASE_TYPE_USING_HINT(enum_type, scalar_t, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/build/reproducible-path/pytorch-2.6.0+dfsg/aten/src/ATen/Dispatch.h:215:3:
note: in expansion of macro ‘AT_DISPATCH_CASE’
215 | AT_DISPATCH_CASE(at::ScalarType::Double, __VA_ARGS__) \
| ^~~~~~~~~~~~~~~~
/build/reproducible-path/pytorch-2.6.0+dfsg/aten/src/ATen/Dispatch.h:219:34:
note: in expansion of macro ‘AT_DISPATCH_CASE_FLOATING_TYPES’
219 | AT_DISPATCH_SWITCH(TYPE, NAME,
AT_DISPATCH_CASE_FLOATING_TYPES(__VA_ARGS__))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/build/reproducible-path/pytorch-2.6.0+dfsg/aten/src/ATen/native/cpu/Activation.cpp:65:5:
note: in expansion of macro ‘AT_DISPATCH_FLOATING_TYPES’
65 | AT_DISPATCH_FLOATING_TYPES(input.scalar_type(), "log_sigmoid_cpu",
[&] {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
0xd53af7 internal_error(char const*, ...)
???:0
0x135ae67 rebuild_jump_labels(rtx_insn*)
???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-14/README.Bugs> for instructions.
Preprocessed source stored into /tmp/ccE55iyB.out file, please attach this to
your bugreport.
```
The full buildlog can be found at
https://buildd.debian.org/status/fetch.php?pkg=pytorch&arch=arm64&ver=2.6.0%2Bdfsg-1%7Eexp1&stamp=1738259673&raw=0
