Your message dated Mon, 2 Feb 2026 10:29:10 +0100 with message-id <[email protected]> and subject line fixed upstream has caused the Debian Bug report #1094828, regarding g++ internal compiler error on arm64 when compiling pytorch to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact [email protected] immediately.) -- 1094828: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1094828 Debian Bug Tracking System Contact [email protected] with problems
--- Begin Message ---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
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--- Begin Message ---Version: 14.3.0-1
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