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Ubuntu18.04の起動時に"PCIE Bus error severity=Corrected type=physical layer"と表示されるときの対処法

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Ubuntu18.04のソフトウェアアップデート後、画面が黒画面になり、
PCIE Bus error severity=Corrected type=physical layer
deviceほげほげ
reciverなんとか
みたいな内容がハンパなく出力されまくったときの対処法。

  1. おとなしく電源OFF
  2. 起動後にも出続ける場合は、UEFI画面で"E"キーを押す
  3. linux ...と書いてある行の末尾にpci=nomsiを追記
  4. Ctrl+Xで起動

これで起動しない場合は、pci=noaerとすればよい。

##参考
https://askubuntu.com/questions/771899/pcie-bus-error-severity-corrected

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