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kexec_load failed: Operation not permitted のエラーで kdump サービスを開始できない

Solution Verified - Updated -


  • kdump サービスを開始できません。
    • kdump.service の開始時に、kdump: kexec: failed to load kdump kernel のエラーメッセージが表示されて失敗します。
  • Kdump サービスが以下のエラーメッセージで失敗します。
# systemctl status kdump -l
kdump.service - Crash recovery kernel arming
Loaded: loaded (/usr/lib/systemd/system/kdump.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Tue 2019-11-19 13:37:47 EST; 3s ago
Process: 30734 ExecStart=/usr/bin/kdumpctl start (code=exited, status=1/FAILURE)
Main PID: 30734 (code=exited, status=1/FAILURE)

kdumpctl[30734]: segment[4].memsz = 0x4000
kdumpctl[30734]: segment[5].buf = 0x7f93cfa7d010
kdumpctl[30734]: segment[5].bufsz = 0x9e400
kdumpctl[30734]: segment[5].mem = 0xbef61000
kdumpctl[30734]: segment[5].memsz = 0x9f000
kdumpctl[30734]: kexec: failed to load kdump kernel
kdumpctl[30734]: Starting kdump: [FAILED]
systemd[1]: kdump.service: Main process exited, code=exited, status=1/FAILURE
systemd[1]: kdump.service: Failed with result 'exit-code'.
systemd[1]: Failed to start Crash recovery kernel arming


  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

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