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[Bug]: bf16 MatMul/GEMM returns corrupted output (cos 0.28-0.65, 5-135x magnitude) - f16 and f32 controls are correct

bugSomething isn't workingSomething isn't working

support_request

Status: Open.

#38256 In openvinotoolkit/openvino;

· paulalesius opened on Sep 18, 2026

[Bug]: Qwen3.8-27B with MTP cannot run across 2x Arc Pro B70: PIPELINE_PARALLEL crashes in igdrcl64.dll, TENSOR_PARALLEL unsupported

Status: Open.

#38253 In openvinotoolkit/openvino;

· alphakilomilo opened on Sep 18, 2026

[Bug]: HETERO:GPU.0,GPU.1 + PIPELINE_PARALLEL silently places whole model on GPU.0 when it fits one card (2x Arc Pro B70, Qwen3.8-27B)

Status: Open.

#38250 In openvinotoolkit/openvino;

· alphakilomilo opened on Sep 18, 2026

[Bug]: CPU and GPU plugins ignore Divide's m_pythondiv for integer inputs: -5 / 2 gives -2 instead of -3

Status: Open.

#38248 In openvinotoolkit/openvino;

· anishmehta24 opened on Sep 18, 2026

[Bug]: [PyTorch Frontend] aten::narrow with a negative start returns an empty tensor

Status: Open.

#38247 In openvinotoolkit/openvino;

· anishmehta24 opened on Sep 18, 2026

[Bug]: ROI tensor keeps its owner's strides after set_shape() expands the rank — ITensor::copy_to() then reads out of bounds (SIGSEGV in production)

bugSomething isn't workingSomething isn't working

support_request

Status: Open.

#38246 In openvinotoolkit/openvino;

· SyueYiLiao opened on Sep 18, 2026

[Bug]: [GPU] StridedSlice/Slice with non-constant strides is skipped as identity when the output shape equals the input shape (e.g. reversal with step -1)

Status: Open.

#38240 In openvinotoolkit/openvino;

· anishmehta24 opened on Sep 17, 2026

[Bug]: PyTorch frontend computes sum((x-y)^p)^(1/p) for aten::pairwise_distance / aten::cdist — the Abs() is missing, so every p != 2 is wrong or NaN

bugSomething isn't workingSomething isn't working

support_request

Status: Open.

#38239 In openvinotoolkit/openvino;

· Hu-lover opened on Sep 17, 2026

[Bug]: ONNX frontend ignores the axes attribute of ReduceL1 / ReduceLogSum / ReduceLogSumExp — opset 13–17 models silently reduce over all axes

bugSomething isn't workingSomething isn't working

support_request

Status: Open.

#38238 In openvinotoolkit/openvino;

· Hu-lover opened on Sep 17, 2026

[aw] Failed jobs: CI Failure Doctor — Post-Commit

agentic-workflows

Status: Open.

#38237 In openvinotoolkit/openvino;

· github-actions opened on Sep 17, 2026

[aw] Failed jobs: CI Failure Doctor — Post-Commit

agentic-workflows

Status: Open.

#38236 In openvinotoolkit/openvino;

· github-actions opened on Sep 17, 2026

[Bug]: [GPU] SIGSEGV in IGC/libopencl-clang2 kernel compilation during MTP draft-model init (Arc Pro B70 / Xe2) — 50% of launches, no-MTP path stable

Status: Open.

#38235 In openvinotoolkit/openvino;

· snailium opened on Sep 17, 2026