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Andreas,</div>
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Since you're able to reproduce, are you able to give <a class="OWAAutoLink" id="OWAeee04a65-9e5f-3742-9cf5-9f6cd5ed432e" href="https://review.whamcloud.com/c/fs/lustre-release/+/62095">
https://review.whamcloud.com/c/fs/lustre-release/+/62095</a> a try? Not sure if it's directly relevant but it's closely related code.</div>
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Patrick</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Andreas Dilger <adilger@thelustrecollective.com><br>
<b>Sent:</b> Thursday, February 26, 2026 5:55 PM<br>
<b>To:</b> Anil Mahadev Misal <Anil.misal@netwebindia.com><br>
<b>Cc:</b> lustre-discuss@lists.lustre.org <lustre-discuss@lists.lustre.org>; Patrick Farrell <pfarrell@ddn.com><br>
<b>Subject:</b> Re: [lustre-discuss] the -14 EFAULT error during pip installations</font>
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<div class="PlainText">It seems possible that this relates to an issue reported recently on GitHub,<br>
which also reports (indirectly) -EFAULT when writing from Python. It has a<br>
simple reproducer that seems to show some kind of real issue.<br>
<br>
<a href="https://github.com/lustre/lustre-release/issues/16">https://github.com/lustre/lustre-release/issues/16</a><br>
<br>
On Feb 6, 2026, Anil Mahadev Misal <lAnil.misal@netwebindia.com> wrote:<br>
> <br>
> Dear Team,<br>
> <br>
> I am facing error -14 while pip installation. ERROR: Could not install packages due to an OSError: [Errno 14] Bad address<br>
> uname -r<br>
> 5.14.0-611.13.1.el9_7.x86_64<br>
> <br>
> lctl lustre_build_version<br>
> Lustre version: 2.17.0<br>
> <br>
> lctl get_param osc.*.max_rpcs_in_flight<br>
> osc.lustrefs-OST0000-osc-MDT0000.max_rpcs_in_flight=8<br>
> osc.lustrefs-OST0001-osc-MDT0000.max_rpcs_in_flight=8<br>
> osc.lustrefs-OST0002-osc-MDT0000.max_rpcs_in_flight=8<br>
> osc.lustrefs-OST0003-osc-MDT0000.max_rpcs_in_flight=8<br>
> osc.lustrefs-OST0004-osc-MDT0000.max_rpcs_in_flight=8<br>
> osc.lustrefs-OST0005-osc-MDT0000.max_rpcs_in_flight=8<br>
> osc.lustrefs-OST0006-osc-MDT0000.max_rpcs_in_flight=8<br>
> osc.lustrefs-OST0007-osc-MDT0000.max_rpcs_in_flight=8<br>
> <br>
> pip install 'tensorflow[and-cuda]'<br>
> Collecting tensorflow[and-cuda]<br>
> Using cached tensorflow-2.20.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl.metadata (4.5 kB)<br>
> Requirement already satisfied: absl-py>=1.0.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (2.4.0)<br>
> Requirement already satisfied: astunparse>=1.6.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (1.6.3)<br>
> Requirement already satisfied: flatbuffers>=24.3.25 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (25.12.19)<br>
> Requirement already satisfied: gast!=0.5.0,!=0.5.1,!=0.5.2,>=0.2.1 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (0.7.0)<br>
> Requirement already satisfied: google_pasta>=0.1.1 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (0.2.0)<br>
> Requirement already satisfied: libclang>=13.0.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (18.1.1)<br>
> Requirement already satisfied: opt_einsum>=2.3.2 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (3.4.0)<br>
> Requirement already satisfied: packaging in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (25.0)<br>
> Requirement already satisfied: protobuf>=5.28.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (6.33.5)<br>
> Requirement already satisfied: requests<3,>=2.21.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (2.32.5)<br>
> Requirement already satisfied: setuptools in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (80.10.2)<br>
> Requirement already satisfied: six>=1.12.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (1.17.0)<br>
> Requirement already satisfied: termcolor>=1.1.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (3.3.0)<br>
> Requirement already satisfied: typing_extensions>=3.6.6 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (4.15.0)<br>
> Requirement already satisfied: wrapt>=1.11.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (2.1.1)<br>
> Requirement already satisfied: grpcio<2.0,>=1.24.3 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (1.76.0)<br>
> Requirement already satisfied: tensorboard~=2.20.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (2.20.0)<br>
> Requirement already satisfied: keras>=3.10.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (3.13.2)<br>
> Requirement already satisfied: numpy>=1.26.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (2.4.2)<br>
> Requirement already satisfied: h5py>=3.11.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (3.15.1)<br>
> Requirement already satisfied: ml_dtypes<1.0.0,>=0.5.1 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (0.5.4)<br>
> Collecting nvidia-cublas-cu12<13.0,>=12.5.3.2 (from tensorflow[and-cuda])<br>
> Using cached nvidia_cublas_cu12-12.9.1.4-py3-none-manylinux_2_27_x86_64.whl.metadata (1.7 kB)<br>
> Collecting nvidia-cuda-cupti-cu12<13.0,>=12.5.82 (from tensorflow[and-cuda])<br>
> Using cached nvidia_cuda_cupti_cu12-12.9.79-py3-none-manylinux_2_25_x86_64.whl.metadata (1.8 kB)<br>
> Collecting nvidia-cuda-nvcc-cu12<13.0,>=12.5.82 (from tensorflow[and-cuda])<br>
> Using cached nvidia_cuda_nvcc_cu12-12.9.86-py3-none-manylinux2010_x86_64.manylinux_2_12_x86_64.whl.metadata (1.7 kB)<br>
> Collecting nvidia-cuda-nvrtc-cu12<13.0,>=12.5.82 (from tensorflow[and-cuda])<br>
> Using cached nvidia_cuda_nvrtc_cu12-12.9.86-py3-none-manylinux2010_x86_64.manylinux_2_12_x86_64.whl.metadata (1.7 kB)<br>
> Collecting nvidia-cuda-runtime-cu12<13.0,>=12.5.82 (from tensorflow[and-cuda])<br>
> Using cached nvidia_cuda_runtime_cu12-12.9.79-py3-none-manylinux2014_x86_64.manylinux_2_17_x86_64.whl.metadata (1.7 kB)<br>
> Collecting nvidia-cudnn-cu12<10.0,>=9.3.0.75 (from tensorflow[and-cuda])<br>
> Using cached nvidia_cudnn_cu12-9.19.0.56-py3-none-manylinux_2_27_x86_64.whl.metadata (1.9 kB)<br>
> Collecting nvidia-cufft-cu12<12.0,>=11.2.3.61 (from tensorflow[and-cuda])<br>
> Using cached nvidia_cufft_cu12-11.4.1.4-py3-none-manylinux2014_x86_64.manylinux_2_17_x86_64.whl.metadata (1.8 kB)<br>
> Collecting nvidia-curand-cu12<11.0,>=10.3.6.82 (from tensorflow[and-cuda])<br>
> Using cached nvidia_curand_cu12-10.3.10.19-py3-none-manylinux_2_27_x86_64.whl.metadata (1.7 kB)<br>
> Collecting nvidia-cusolver-cu12<12.0,>=11.6.3.83 (from tensorflow[and-cuda])<br>
> Using cached nvidia_cusolver_cu12-11.7.5.82-py3-none-manylinux_2_27_x86_64.whl.metadata (1.9 kB)<br>
> Collecting nvidia-cusparse-cu12<13.0,>=12.5.1.3 (from tensorflow[and-cuda])<br>
> Using cached nvidia_cusparse_cu12-12.5.10.65-py3-none-manylinux2014_x86_64.manylinux_2_17_x86_64.whl.metadata (1.8 kB)<br>
> Requirement already satisfied: nvidia-nccl-cu12<3.0,>=2.25.1 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (2.29.3)<br>
> Requirement already satisfied: nvidia-nvjitlink-cu12<13.0,>=12.5.82 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorflow[and-cuda]) (12.9.86)<br>
> Requirement already satisfied: charset_normalizer<4,>=2 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from requests<3,>=2.21.0->tensorflow[and-cuda]) (3.4.4)<br>
> Requirement already satisfied: idna<4,>=2.5 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from requests<3,>=2.21.0->tensorflow[and-cuda]) (3.11)<br>
> Requirement already satisfied: urllib3<3,>=1.21.1 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from requests<3,>=2.21.0->tensorflow[and-cuda]) (2.6.3)<br>
> Requirement already satisfied: certifi>=2017.4.17 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from requests<3,>=2.21.0->tensorflow[and-cuda]) (2026.1.4)<br>
> Requirement already satisfied: markdown>=2.6.8 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorboard~=2.20.0->tensorflow[and-cuda]) (3.10.1)<br>
> Requirement already satisfied: pillow in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorboard~=2.20.0->tensorflow[and-cuda]) (12.1.0)<br>
> Requirement already satisfied: tensorboard-data-server<0.8.0,>=0.7.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorboard~=2.20.0->tensorflow[and-cuda]) (0.7.2)<br>
> Requirement already satisfied: werkzeug>=1.0.1 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from tensorboard~=2.20.0->tensorflow[and-cuda]) (3.1.5)<br>
> Requirement already satisfied: wheel<1.0,>=0.23.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from astunparse>=1.6.0->tensorflow[and-cuda]) (0.46.3)<br>
> Requirement already satisfied: rich in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from keras>=3.10.0->tensorflow[and-cuda]) (14.3.2)<br>
> Requirement already satisfied: namex in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from keras>=3.10.0->tensorflow[and-cuda]) (0.1.0)<br>
> Requirement already satisfied: optree in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from keras>=3.10.0->tensorflow[and-cuda]) (0.18.0)<br>
> Requirement already satisfied: markupsafe>=2.1.1 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from werkzeug>=1.0.1->tensorboard~=2.20.0->tensorflow[and-cuda]) (3.0.3)<br>
> Requirement already satisfied: markdown-it-py>=2.2.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from rich->keras>=3.10.0->tensorflow[and-cuda]) (4.0.0)<br>
> Requirement already satisfied: pygments<3.0.0,>=2.13.0 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from rich->keras>=3.10.0->tensorflow[and-cuda]) (2.19.2)<br>
> Requirement already satisfied: mdurl~=0.1 in /apps/conda/env/tf-gpu/lib/python3.12/site-packages (from markdown-it-py>=2.2.0->rich->keras>=3.10.0->tensorflow[and-cuda]) (0.1.2)<br>
> Using cached tensorflow-2.20.0-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (620.7 MB)<br>
> Using cached nvidia_cublas_cu12-12.9.1.4-py3-none-manylinux_2_27_x86_64.whl (581.2 MB)<br>
> Using cached nvidia_cuda_cupti_cu12-12.9.79-py3-none-manylinux_2_25_x86_64.whl (10.8 MB)<br>
> Using cached nvidia_cuda_nvcc_cu12-12.9.86-py3-none-manylinux2010_x86_64.manylinux_2_12_x86_64.whl (40.5 MB)<br>
> Using cached nvidia_cuda_nvrtc_cu12-12.9.86-py3-none-manylinux2010_x86_64.manylinux_2_12_x86_64.whl (89.6 MB)<br>
> Using cached nvidia_cuda_runtime_cu12-12.9.79-py3-none-manylinux2014_x86_64.manylinux_2_17_x86_64.whl (3.5 MB)<br>
> Using cached nvidia_cudnn_cu12-9.19.0.56-py3-none-manylinux_2_27_x86_64.whl (657.9 MB)<br>
> Using cached nvidia_cufft_cu12-11.4.1.4-py3-none-manylinux2014_x86_64.manylinux_2_17_x86_64.whl (200.9 MB)<br>
> Using cached nvidia_curand_cu12-10.3.10.19-py3-none-manylinux_2_27_x86_64.whl (68.3 MB)<br>
> Using cached nvidia_cusolver_cu12-11.7.5.82-py3-none-manylinux_2_27_x86_64.whl (338.1 MB)<br>
> Using cached nvidia_cusparse_cu12-12.5.10.65-py3-none-manylinux2014_x86_64.manylinux_2_17_x86_64.whl (366.5 MB)<br>
> Installing collected packages: nvidia-cusparse-cu12, nvidia-curand-cu12, nvidia-cufft-cu12, nvidia-cuda-runtime-cu12, nvidia-cuda-nvrtc-cu12, nvidia-cuda-nvcc-cu12, nvidia-cuda-cupti-cu12, nvidia-cublas-cu12, nvidia-cusolver-cu12, nvidia-cudnn-cu12, tensorflow<br>
> \u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501 0/11 [nvidia-cusparse-cu12]ERROR: Could not install packages due to an OSError: [Errno 14] Bad address<br>
> <br>
> grep "Write request failed with -14" /var/log/messages | tail -n 20<br>
> kernel: LustreError: 841:0:(osc_cache.c:2226:osc_check_rpcs()) Write request failed with -14<br>
> kernel: LustreError: 14867:0:(osc_cache.c:2226:osc_check_rpcs()) Write request failed with -14<br>
> kernel: LustreError: 859:0:(osc_cache.c:2226:osc_check_rpcs()) Write request failed with -14<br>
> kernel: LustreError: 812:0:(osc_cache.c:2226:osc_check_rpcs()) Write request failed with -14<br>
> <br>
> Thanks & Regards,<br>
> Anil Mahadev Misal<br>
> \U0001f4f1 +91-7045598174<br>
> \U0001f4e7 supportmum@netwebindia.com<br>
> <br>
> _______________________________________________<br>
> lustre-discuss mailing list<br>
> lustre-discuss@lists.lustre.org<br>
> <a href="http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org">http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org</a><br>
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