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如果加载了 idxd_bus 模块，kdump 不会捕获 Nvidia DGX-H200 系统上的 vmcore

Solution In Progress - Updated -

Issue

  • 在内核 panic 后，kdump 没有捕获 vmcore。
Error: could not locate vmcore file

Environment

  • Red Hat Enterprise Linux 9.4
  • kernel-5.14.0-427.13.1.el9_4 (RHEL 9.4 GA kernel)
  • NVIDIA DGX H200

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