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Illegal memory access with <code>quantize_4bit</code>

CUDAIssues and PRs related to the CUDA backend, excluding installation/support help.Issues and PRs related to the CUDA backend, excluding installation/support help.

Status: Open.

Bug

#1782 In bitsandbytes-foundation/bitsandbytes;

· davidmezzetti opened on Oct 16, 2025

· 

v0.48.2

version 0.48 is broken

Status: Closed (completed).

Bug

#1775 In bitsandbytes-foundation/bitsandbytes;

· by MasoudMaani was closed on Oct 2, 2025

· 

v0.48.1

Requires a recent <code>trove-classifiers</code>

Build

Status: Closed (completed).

Bug

#1773 In bitsandbytes-foundation/bitsandbytes;

· by ccoulombe was closed on Oct 1, 2025

· 

v0.48.1

quantize_blockwise (CPU) occurs Segmentation fault when all block elements are zero

x64 CPU

Status: Open.

Bug

#1744 In bitsandbytes-foundation/bitsandbytes;

· im0qianqian opened on Sep 2, 2025

· 

v0.49.0

<code>bitsandbytes.functional.quantize_4bit</code>, <code>bitsandbytes.functional.quantize_blockwise</code> require contiguous input, fail silently if not

Status: Open.

Bug

#1690 In bitsandbytes-foundation/bitsandbytes;

· mseeger opened on Jun 29, 2025

· 

v0.49.0

Params4bit.to does not keep bnb_quantized status

Status: Closed (completed).

Bug

#1664 In bitsandbytes-foundation/bitsandbytes;

· by mklabunde was closed on Jun 3, 2025

· 

v0.46.1

`GLIBC_2.34' not found for CUDA 12.6 or CUDA 12.8 builds

Build

CI/CD

Dependencies

Linux

Status: Closed (completed).

Bug

#1610 In bitsandbytes-foundation/bitsandbytes;

· by rexjm was closed on May 13, 2025

· 

v0.46.0

RuntimeError: invalid numeric default value in 0.46.0.dev

Dependencies

Status: Closed (completed).

Bug

#1588 In bitsandbytes-foundation/bitsandbytes;

· by ianmage was closed on Apr 10, 2025

· 

v0.46.0

[Bug Report] bitsandbytes/ cuda_specs.py

Status: Closed (completed).

Bug

#1577 In bitsandbytes-foundation/bitsandbytes;

· by Squ-123 was closed on Apr 8, 2025

· 

v0.46.0

[AMD ROCm] <code>_validate_bnb_multi_backend_availability()</code> incorrectly tries to alter a frozenset.

ROCm

Status: Closed (completed).

Bug

#1573 In bitsandbytes-foundation/bitsandbytes;

· by anadon was closed on Mar 26, 2025

[AMD ROCm] NotImplementedError: bnb_4bit_use_double_quant is not supported yet for CPU/XPU

ROCm

Status: Closed (completed).

Bug

#1551 In bitsandbytes-foundation/bitsandbytes;

· by Looong01 was closed on Sep 15, 2025

non_sign_bits miscalculation in the function 'create_dynamic_map' in bitsandbytes/functional.py

High Priority(first issues that will be worked on)(first issues that will be worked on)

Low RiskRisk of bugs in transformers and other librariesRisk of bugs in transformers and other libraries

Status: Closed (completed).

Bug

#1541 In bitsandbytes-foundation/bitsandbytes;

· by Talel-bm was closed on May 24, 2025