sysrq のメモリダンプ時に詳細な CIFS(smb) デバッグを有効にする

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以下を行います。

magic sysrequest keys を有効にします。
```
 echo 1 >/proc/sys/kernel/sysrq
 
```
以下のコマンドを使用して、cifs/smbfs kernel モジュールのデバッグを有効にします。
```
 echo 1 >/proc/fs/cifs...
```

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