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[GH-ISSUE #562] 'unspecified launch failure' when destroy buffer #348

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opened 2026-10-26 09:58:56 +00:00 by bsakaguchi · 0 comments
bsakaguchi commented 2026-10-26 09:58:56 +00:00
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Originally created by @RunningLeon on GitHub (Jan 14, 2026).
Original GitHub issue: https://github.com/deepseek-ai/DeepEP/issues/562

Hi. We want to destroy deepep buffer when the engine is in sleep mode. But there's an 'unspecified launch failure' error. Is there any idea about? Thanks.

  File "/xxx/DeepEP/deep_ep/buffer.py", line 135, in destroy
    self.runtime.destroy()
RuntimeError: Failed: CUDA error /xxx/DeepEP/csrc/deep_ep.cpp:152 'unspecified launch failure'
Originally created by @RunningLeon on GitHub (Jan 14, 2026). Original GitHub issue: https://github.com/deepseek-ai/DeepEP/issues/562 Hi. We want to destroy deepep buffer when the engine is in sleep mode. But there's an `'unspecified launch failure'` error. Is there any idea about? Thanks. ``` File "/xxx/DeepEP/deep_ep/buffer.py", line 135, in destroy self.runtime.destroy() RuntimeError: Failed: CUDA error /xxx/DeepEP/csrc/deep_ep.cpp:152 'unspecified launch failure' ```
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deepseek-ai/DeepEP#348
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