pytorch/pytorch issues and pull requests

#164402 - NCCL-2.28.3 build locally is unusable on H100

Issue - State: open - Opened by malfet about 2 months ago
Labels: module: nccl, module: regression

#163756 - cpu wheel pip index issue

Issue - State: closed - Opened by korhojoa about 2 months ago - 10 comments
Labels: high priority, triage review, module: binaries, module: regression

#163608 - Regressions detected with operator microbenchmarks for Pytorch 2.9_rc1 vs Pytorch2.8

Issue - State: closed - Opened by jainapurva about 2 months ago - 14 comments
Labels: triage review, module: performance, module: regression, oncall: pt2

#163597 - SDPA MPS regression on 2.8.0

Issue - State: closed - Opened by Vismai-Khanderao about 2 months ago - 1 comment
Labels: high priority, triage review, module: regression, module: mps, module: sdpa

#163342 - [CD] - Manywheel CUDA builds failing since Sept 18

Issue - State: closed - Opened by robert-hardwick 2 months ago - 5 comments
Labels: high priority, triage review, module: binaries, module: cuda, triaged, module: regression

#162881 - [CD] Windows all CUDA nightlies failed since Sept 11

Issue - State: closed - Opened by atalman 2 months ago - 10 comments
Labels: high priority, triage review, module: binaries, module: windows, module: regression

#162113 - ToDLPack Speed Regression

Issue - State: closed - Opened by tqchen 3 months ago
Labels: module: performance, triaged, module: regression, module: dlpack

#161507 - vLLM test_llama_lora failing in PyTorch nightlies

Issue - State: closed - Opened by zou3519 3 months ago - 5 comments
Labels: high priority, module: ci, triaged, module: regression, module: third_party

#161506 - Some transformers `export / compile` tests fails (`Aborted (core dumped)`) with `torch 2.9 nightly` but pass with `torch 2.8`

Issue - State: closed - Opened by ydshieh 3 months ago - 1 comment
Labels: high priority, triage review, module: crash, module: regression, oncall: pt2

#161505 - Some transformers `test_can_compile_fast_xxx` fails with `torch 2.9 nightly` but pass with `torch 2.8`

Issue - State: closed - Opened by ydshieh 3 months ago - 2 comments
Labels: high priority, triaged, module: regression, oncall: pt2, module: dynamo, pt2: ubn

#161265 - [MPS] On MacOS-26 torch.full fails for 4+Gb tensors

Issue - State: closed - Opened by malfet 3 months ago - 3 comments
Labels: triaged, module: regression, module: third_party, module: correctness (silent), module: mps

#160988 - Inductor torchbench CI tests are failing to build torchaudio

Issue - State: closed - Opened by zou3519 3 months ago - 3 comments
Labels: module: ci, module: flaky-tests, module: regression, oncall: pt2

#160877 - [ci/cd][nightly] Linux-binary-libtorch - nvshmem errors

Issue - State: closed - Opened by Camyll 3 months ago - 2 comments
Labels: module: binaries, triaged, module: regression

#160646 - AOT compilation of Triton op fails in PyTorch 2.8

Issue - State: closed - Opened by dt-synth 3 months ago - 4 comments
Labels: module: regression, oncall: pt2, oncall: export, module: aotinductor

#160246 - pytorch.org/get-started/locally is wrong about supported Python version (3.12 is not highest)

Issue - State: closed - Opened by alex77g2 3 months ago - 6 comments
Labels: module: docs, triaged, module: regression, actionable

#160188 - AArch64 Inductor Perf Test build fails installing torchao

Issue - State: closed - Opened by robert-hardwick 3 months ago - 2 comments
Labels: module: ci, triaged, module: regression, module: arm

#160059 - torch.jit.script fails with 'undefined value' error when module has @torch.compiler.disable decorator (regression in 2.8.0)

Issue - State: closed - Opened by hassonofer 3 months ago - 8 comments
Labels: oncall: jit, module: regression, oncall: pt2, pt2: ubn

#159972 - [Docs] Can't access previous versions documentation

Issue - State: open - Opened by malfet 3 months ago
Labels: high priority, module: regression, topic: docs

#159958 - torch.compile regression on side-effects between torch 2.7.1 and 2.8 (final RC)

Issue - State: closed - Opened by volcacius 3 months ago - 14 comments
Labels: module: regression, oncall: pt2, module: dynamo, oncall: cpu inductor, pt2: ubn

#159537 - UnicodeDecodeError in torch.compile on Windows MSVC

Issue - State: closed - Opened by hxse 4 months ago - 4 comments
Labels: module: windows, module: regression, oncall: pt2, oncall: cpu inductor

#159045 - Compilation fails due to missing nvshmem header

Issue - State: closed - Opened by lw 4 months ago - 8 comments
Labels: module: build, triaged, module: regression, has workaround

#158728 - [CI] Inductor-perf-nighly-macos started to fail to install torchvision

Issue - State: open - Opened by malfet 4 months ago - 2 comments
Labels: module: ci, triaged, module: regression

#158054 - DISABLED test_generalized_sq_cases (main.TestSolve)

Issue - State: closed - Opened by huydhn 4 months ago - 3 comments
Labels: high priority, triaged, module: mkl, module: regression, skipped

#157763 - Nightly C++ docs build timeout in CI after 4 hours

Issue - State: closed - Opened by huydhn 4 months ago - 4 comments
Labels: module: docs, module: ci, triaged, module: regression

#157626 - [ARM] Segmentation faults in unit tests with gcc13 on AArch64 (v1)

Issue - State: open - Opened by robert-hardwick 5 months ago
Labels: high priority, module: regression, module: arm

#157407 - [autograd] Slowdown in backward after #151079

Issue - State: closed - Opened by eqy 5 months ago - 9 comments
Labels: module: performance, module: autograd, triaged, module: regression

#157381 - Torch is unusable when cuda-12.4 is installed locally

Issue - State: closed - Opened by sekyondaMeta 5 months ago - 6 comments
Labels: module: binaries, module: cuda, triaged, module: regression

#156688 - [CPU][flex attention] Llama 3 failed on CPU with PyTorch 2025-06-22 nightly wheel

Issue - State: closed - Opened by LifengWang 5 months ago
Labels: needs reproduction, triaged, module: regression, oncall: pt2, module: higher order operators, oncall: cpu inductor, module: pt2-dispatcher, module: flex attention

#155797 - [MPS] Performance regression and visual bug with ComfyUI Flux dev since nightly 20250510

Issue - State: open - Opened by Adreitz 5 months ago - 13 comments
Labels: needs reproduction, module: performance, triaged, module: regression, module: mps

#155605 - `make_fx` error in nightly but not PyTorch 2.7.1

Issue - State: closed - Opened by cw-tan 5 months ago - 2 comments
Labels: module: regression, oncall: pt2, oncall: export

#155426 - `torch._dynamo.exc.Unsupported: Attempted to call function marked as skipped`. Explanation: Dynamo developers have intentionally marked that the function `_immutable_list_unflatten`

Issue - State: closed - Opened by cw-tan 5 months ago - 2 comments
Labels: high priority, triaged, module: regression, oncall: pt2, module: dynamo

#154828 - [MPS] "Can't be indexed using 32-bit iterator" error as of 20250430 nightly cpu MacOS build

Issue - State: closed - Opened by Morac2 6 months ago - 11 comments
Labels: high priority, triaged, module: 64-bit, module: regression, module: mps

#154642 - Selective activation checkpointing causes memory leakage

Issue - State: closed - Opened by fegin 6 months ago - 2 comments
Labels: high priority, triage review, module: activation checkpointing, module: autograd, triaged, module: regression, bug

#153568 - torch.linalg.vector_norm regression in torch.compile in PT2.8

Issue - State: closed - Opened by Silv3S 6 months ago - 1 comment
Labels: high priority, module: regression, oncall: pt2, module: inductor

#153476 - [BUG] `einops` is unsupported and break dynamo graph with torch 2.7

Issue - State: closed - Opened by vadiklyutiy 6 months ago - 9 comments
Labels: high priority, triage review, module: regression, oncall: pt2, module: dynamo

#153469 - Torch index is missing hash for aarch64 wheels

Issue - State: closed - Opened by konstin 6 months ago - 3 comments
Labels: module: binaries, triaged, module: regression, module: arm

#152623 - modded-nanogpt flaky NCCL hang starting 3/30 nightly

Issue - State: closed - Opened by xmfan 7 months ago - 13 comments
Labels: high priority, triage review, oncall: distributed, triaged, module: regression

#152582 - [MPS] Binary kernels produce incorrect results when one of the tensor arguments is from a wrapped scalar

Issue - State: closed - Opened by qqaatw 7 months ago - 4 comments
Labels: triaged, module: regression, module: correctness (silent), module: mps

#152439 - Newly added lint-urls jobs are very flaky

Issue - State: closed - Opened by malfet 7 months ago - 11 comments
Labels: module: ci, triaged, module: flaky-tests, module: regression

#152385 - Illegal Instruction Caused by `grid_sample` Under Windows

Issue - State: closed - Opened by ericspod 7 months ago - 18 comments
Labels: high priority, module: build, module: windows, module: cpu, triaged, module: regression

#152243 - py_limited_api=True in PyTorch2.7 will break the build of extensions

Issue - State: closed - Opened by airMeng 7 months ago - 10 comments
Labels: module: cpp-extensions, triaged, module: regression

#152225 - torch._dynamo.exc.BackendCompilerFailed: backend='inductor' raised: ModuleNotFoundError: No module named 'expecttest'

Issue - State: closed - Opened by jjh42 7 months ago - 1 comment
Labels: module: regression, better-engineering, oncall: pt2

#152191 - [`Torch 2.7.0 x Py 3.9`] Incompatible dep versions with networkx

Issue - State: closed - Opened by vasqu 7 months ago - 16 comments
Labels: triage review, oncall: releng, module: regression, module: third_party

#152172 - `torch._inductor.exc.InductorError: CppCompileError: C++ compile error` after Torch 2.7 Release

Issue - State: closed - Opened by BillHuang2001 7 months ago - 5 comments
Labels: module: regression, oncall: pt2, oncall: cpu inductor

#152121 - [poetry] 2.7.0+cpu includes cuda as a dependency

Issue - State: closed - Opened by peter-axion 7 months ago - 6 comments
Labels: triage review, module: binaries, module: regression, topic: binaries

#150994 - `torch.export` and `torch.compile` in torch 2.7 RC fails some cases that work with torch 2.6

Issue - State: closed - Opened by ydshieh 7 months ago - 9 comments
Labels: triage review, module: regression, has workaround, oncall: pt2, module: dynamo, oncall: export

#150889 - 2.7 RC: fails to install the needed `optree` dependency

Issue - State: closed - Opened by stas00 7 months ago - 13 comments
Labels: high priority, triage review, module: regression, has workaround, oncall: pt2

#150848 - torch.compile cannot handle plain nn.Parameter subclasses

Issue - State: closed - Opened by zou3519 7 months ago - 12 comments
Labels: triaged, module: regression, tensor subclass, oncall: pt2, module: dynamo, vllm-compile, dynamo-triage-jan2025

#150637 - Segmentation fault with float16 + CPU mode + large tensor matmuls

Issue - State: closed - Opened by srampal 8 months ago - 11 comments
Labels: high priority, module: crash, module: cpu, triaged, module: 64-bit, module: regression, module: half, module: intel

#150260 - [XPU] `torch.xpu.is_available()` fails on Intel Arc A770 on latest nightly.

Issue - State: closed - Opened by simonlui 8 months ago - 3 comments
Labels: needs reproduction, triaged, module: regression, module: xpu

#150039 - [CI] VS2022 jobs seems to be running VS2019 still

Issue - State: closed - Opened by malfet 8 months ago - 4 comments
Labels: module: windows, module: ci, triaged, module: regression

#149995 - [XPU] Linux CI/CD has been broken by the intel-deep-learning-essentials-2025.0 online installation

Issue - State: closed - Opened by chuanqi129 8 months ago - 3 comments
Labels: module: ci, triaged, module: regression, module: xpu

#149691 - LazyLinear broken by new init logic

Issue - State: closed - Opened by vmoens 8 months ago - 2 comments
Labels: high priority, module: nn, triaged, module: regression, module: lazy

#149033 - [regression] Fix pin_memory() when it is called before device lazy initialization.

Pull Request - State: closed - Opened by BartlomiejStemborowski 8 months ago - 15 comments
Labels: module: regression, open source, Merged, ciflow/trunk, topic: not user facing, merging

#148877 - setuptools error - Windows - 'distutils' has no attribute '_msvccompiler'

Issue - State: closed - Opened by ozanMSFT 8 months ago - 1 comment
Labels: module: build, module: windows, triaged, module: regression

#148861 - [CPU]DNNL does not support bf16 backward on Lunar lake

Issue - State: closed - Opened by gaopengff 8 months ago - 4 comments
Labels: triaged, module: mkldnn, module: regression, module: intel, bug

#148194 - PyTorch nightly MPS SDPA op is unusable

Issue - State: closed - Opened by malfet 9 months ago
Labels: high priority, triage review, module: regression, module: mps

#147226 - Unable to use XPU device on PyTorch 2.6

Issue - State: closed - Opened by iori2333 9 months ago - 7 comments
Labels: triaged, module: regression, module: xpu

#146803 - `Illegal Instruction` Error on Raspberry Pi 4 with `torch.nn.functional.interpolate` and `recompute_scale_factor=True` (Torch 2.6.0)

Issue - State: closed - Opened by Chizkiyahu 9 months ago - 2 comments
Labels: high priority, triage review, module: onnx, module: regression, module: arm

#146792 - `Illegal instruction (core dumped)` on Raspberry Pi 4 when exporting ONNX with `torch 2.6.0`

Issue - State: closed - Opened by Chizkiyahu 9 months ago - 13 comments
Labels: high priority, module: crash, triaged, module: regression, module: arm

#146679 - Torch 2.6.0 cu126 is missing several dependencies in the METADATA-file

Issue - State: closed - Opened by anates 9 months ago - 7 comments
Labels: high priority, oncall: releng, triaged, module: regression

#145801 - torch.linalg.eigh fails on CPU

Issue - State: closed - Opened by atalman 10 months ago - 7 comments
Labels: triaged, module: regression, module: third_party, module: linear algebra

#145446 - [dynamo] fix graph break random.random

Issue - State: open - Opened by williamwen42 10 months ago
Labels: module: regression, oncall: pt2, module: dynamo

#145203 - Indexed ^= (XOR in-place) operation doesn't work as expected on MPS backend

Issue - State: closed - Opened by TrevorPeyton 10 months ago - 1 comment
Labels: high priority, triaged, module: regression, module: correctness (silent), module: mps

#144964 - Flakybot fails to fetch test ownership information

Issue - State: closed - Opened by malfet 10 months ago - 5 comments
Labels: triaged, module: regression, module: devx

#144687 - Loading sparse tensors in a `DataLoader` raises CUDA initialization error since `2.5.0`

Issue - State: closed - Opened by douglas-boubert 10 months ago - 16 comments
Labels: module: sparse, module: dataloader, module: cuda, triaged, module: regression

#144152 - `torch.device(0)` makes CUDA init fail in subprocess since `2.5.0`

Issue - State: open - Opened by cbensimon 11 months ago - 7 comments
Labels: high priority, module: cuda, triaged, module: regression, module: accelerator

#143933 - torch.fmax() between MPS tensor and CPU scalar crashes

Issue - State: closed - Opened by malfet 11 months ago
Labels: module: crash, triaged, module: regression, module: mps

#142344 - RuntimeError when running backward on MPS: "view size is not compatible" with self-attention block

Issue - State: closed - Opened by NripeshN 12 months ago - 7 comments
Labels: high priority, module: convolution, triaged, module: regression, module: mps

#142266 - MacOS wheels are no longer built with OpenMP runtime

Issue - State: closed - Opened by malfet 12 months ago - 7 comments
Labels: high priority, module: binaries, triaged, module: macos, module: regression

#142123 - [XPU] model works with 2.5.1 while break with nightly build

Issue - State: closed - Opened by huiyan2021 12 months ago - 3 comments
Labels: triaged, module: regression, module: xpu

#141836 - StrideAPI caused regression in channels-last logic

Issue - State: open - Opened by malfet 12 months ago
Labels: high priority, module: regression, module: mps

#141770 - ONNX dynamo export: meshgrid is broken in the nightly build

Issue - State: closed - Opened by Bludator 12 months ago - 5 comments
Labels: module: onnx, triaged, module: regression

#141471 - MPS Regression when rendering LTXVideo (after pytorch2.4.1)

Issue - State: closed - Opened by cchance27 12 months ago - 21 comments
Labels: high priority, triage review, module: regression, module: correctness (silent), module: mps

#141319 - AttributeError: module 'distutils' has no attribute '_msvccompiler'

Issue - State: closed - Opened by EikanWang 12 months ago - 3 comments
Labels: module: windows, module: ci, triaged, module: regression

#140962 - [ONNX] Fix 2GB exporting crash during onnx shape type inference

Pull Request - State: closed - Opened by titaiwangms about 1 year ago - 4 comments
Labels: module: onnx, module: regression, open source, Merged, ciflow/trunk, release notes: onnx, topic: bug fixes, merging

#140961 - [ONNX] Fix 2GB exporting crash during onnx shape type inference

Pull Request - State: closed - Opened by titaiwangms about 1 year ago - 1 comment
Labels: module: onnx, module: regression, release notes: onnx, topic: bug fixes

#140902 - View size is not compatible, using Conv1d on channels-last Tensor, reported during backward on mps.

Pull Request - State: closed - Opened by prestonraab about 1 year ago - 5 comments
Labels: high priority, triage review, triaged, module: regression, module: memory format, module: mps

#140590 - ☂️ Many ecosystem libraries started to fail with `std::bad_alloc` after Nov 1st

Issue - State: closed - Opened by malfet about 1 year ago - 9 comments
Labels: high priority, module: crash, triaged, module: regression

#138525 - Backpropagation with ISTFT is broken in torch 2.5 using MPS

Issue - State: closed - Opened by lminer about 1 year ago - 2 comments
Labels: module: regression, module: mps

#138324 - 2.5.0 stable + cuda 12.4 broken; unable to to find cuda libs (works 2.4.1)

Issue - State: closed - Opened by dcsouthwick about 1 year ago - 8 comments
Labels: high priority, module: binaries, module: cuda, triaged, module: regression

#137883 - [CI] pytorchbot -f should not bypass EasyCLA

Issue - State: closed - Opened by jeanschmidt about 1 year ago - 3 comments
Labels: high priority, module: ci, triaged, module: regression

#137800 - Nightly introduced bug for GGUF in comfy?

Issue - State: closed - Opened by cchance27 about 1 year ago - 20 comments
Labels: high priority, triage review, module: regression, module: mps

#137775 - inductor regression on aarch64 neoverse-v1, failing unit tests due to compiler error on gcc10.2

Issue - State: closed - Opened by robert-hardwick about 1 year ago - 12 comments
Labels: high priority, triaged, module: regression, module: arm

#137597 - Several torch_inductor CI test failures in arm neoverse-v1 relating to argmin/argmax

Issue - State: closed - Opened by robert-hardwick about 1 year ago - 10 comments
Labels: triaged, module: regression, module: correctness (silent), module: arm

#136299 - The results of baddbmm on CPU seem to have issues under certain conditions

Issue - State: open - Opened by lzx1995 about 1 year ago - 2 comments
Labels: high priority, triaged, module: regression, module: correctness (silent), module: arm

#136151 - test_c10d_nccl failure on A100 and H100

Issue - State: closed - Opened by nWEIdia about 1 year ago - 4 comments
Labels: high priority, triage review, oncall: distributed, module: regression

#134422 - The character "à" is not rendered correctly in Conv2d's documentation

Issue - State: closed - Opened by dranaivo about 1 year ago - 5 comments
Labels: high priority, module: docs, module: lint, triaged, module: regression, actionable

#134416 - `PYTORCH_ENABLE_MPS_FALLBACK` does not appear to work for `nn.Conv1d`

Issue - State: closed - Opened by a2aaron about 1 year ago - 3 comments
Labels: triaged, module: regression, module: mps

#134242 - torch.utils.flop_counter.FlopCounterMode broke with torch-2.4

Issue - State: closed - Opened by stas00 about 1 year ago - 7 comments
Labels: high priority, triage review, module: regression, module: flop counter

#133974 - Crash When Using torch.compile with Math scaled_dot_product_attention in AMP Mode

Pull Request - State: closed - Opened by retonym about 1 year ago - 10 comments
Labels: high priority, triaged, module: regression, oncall: transformer/mha, module: amp (automated mixed precision), oncall: pt2, module: inductor, module: multi-headed-attention

GitHub / pytorch/pytorch issues and pull requests