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カーネルをアップデートすると起動時にカーネルパニックになり、Unable to mount root fs on unknown-block(0,0) エラーが表示されます

Solution Verified - Updated -

Issue

  • 新規にインストールして再起動、またはカーネルをアップデートすると、システムの起動に失敗し、以下のエラーが表示されます。

    VFS:Cannot open root device XXX or unknown-block(0,0)
Please append a correct "root=" boot option; here are the available partitions:
Kernel panic - not syncing:VFS:Unable to mount root fs on unknown-block(0,0)

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

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