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[Bug]ModuleNotFoundError: No module named 'mmcv._ext'(Buid from source on Linux with CUDA12.8, python 3.12, pytorch2.9.1+cu128 )

Status: Open.

#3319 In open-mmlab/mmcv;

· yshawen opened on Dec 19, 2025

[Bug]

Status: Open.

#3318 In open-mmlab/mmcv;

· zcr45468-alt opened on Dec 18, 2025

[Feature] how to unstar this project?

Status: Open.

#3317 In open-mmlab/mmcv;

· liulanyang-alpha opened on Dec 12, 2025

"mmcv._ext " problem how How did I solve

Status: Open.

#3316 In open-mmlab/mmcv;

· uilstong opened on Dec 11, 2025

MMCV Is Outdated on macOS

Status: Open.

#3314 In open-mmlab/mmcv;

· MingMingwa opened on Nov 17, 2025

[Bug] 昇腾910B使用box_iou_rotated，框数大一点就会报错

Status: Open.

#3311 In open-mmlab/mmcv;

· jh543606332 opened on Oct 23, 2025

[Bug] mmcv._ext not getting built with Pytorch 2.9.0 and Cuda 13.0

Status: Open.

#3310 In open-mmlab/mmcv;

· jaquilio opened on Oct 21, 2025

[Bug]

Status: Open.

#3304 In open-mmlab/mmcv;

· MX-S opened on Sep 19, 2025

[Docs] Build from source with Python 3.12 + PyTorch 2.8 + CUDA 12.9 is easy and works on Linux

Status: Open.

#3303 In open-mmlab/mmcv;

· JohannesTheo opened on Sep 17, 2025

[Bug] SSL certificate expired for https://download.openmmlab.com

Status: Open.

#3302 In open-mmlab/mmcv;

· 24hours opened on Aug 18, 2025

[Docs]

Status: Open.

#3301 In open-mmlab/mmcv;

· fanhua-sez opened on Aug 5, 2025

[Bug] Where can I find force_fp32 and auto_fp16 in new version?

Status: Open.

#3300 In open-mmlab/mmcv;

· Rango-T10000 opened on Jul 31, 2025