How can I enable CIFS(smb) verbose debugging during a sysrq memory dump?

Updated -

In order to:

  1. Enable the magic sysrequest keys:

     echo 1 >/proc/sys/kernel/sysrq
  2. Enable the cifs/smbfs kernel module debugging using the commands below:

     echo 1 >/proc/fs/cifs/cifsFYI
     echo 1 >/proc/fs/cifs/traceSMB
  3. ...

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