[Bug 1958623] Re: encounter RSOD while pxe booting from MaaS server

[Jeff Lane]

** Tags added: servcert-224

** Tags added: servcert-225

** Tags added: servcert-226

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https://bugs.launchpad.net/bugs/1958623

Title:
  encounter RSOD while pxe booting from MaaS server

Status in dellserver:
  New
Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2-signed package in Ubuntu:
  Fix Released
Status in grub2-unsigned package in Ubuntu:
  Fix Released
Status in grub2-unsigned source package in Bionic:
  New
Status in grub2-unsigned source package in Focal:
  New
Status in grub2 source package in Jammy:
  Fix Released
Status in grub2-signed source package in Jammy:
  Fix Released
Status in grub2-unsigned source package in Jammy:
  Fix Released

Bug description:
  Observing RSOD when ubuntu installed server setup with MaaS
  application as per below procedure and pointing out different OS
  images from grub to deploying OS for connected server.

  certification-
  static.canonical.com/docs/MAAS_Advanced_Network_Installation_And_Configuration.pdf)

  Steps to reproduce the issue,
  1. Have a server with ubuntu OS and MAAS 2.9.2 application installed

  2. Make sure remote server is configured with PXE and enlisted into
  MAAS application.

  [In remote server enable PXE boot in the BIOD network settings and
  also configure uEFI boot mode and PXE boot device in BIOS settings]

  4. Go to MAAS server and use curl command to check the current grub
  configuration for new enlisted server and make sure current grub
  configuration mapping to the "MAC address of NIC which is pointing to
  the CentOS image to deploy or to install into remote server which is
  enlisted into MAAS. [please refer "grub_commission" snapshot for more
  details]

  5. After above check power on the new enlisted server and run the PXE boot via NIC port.
  RSOD should be able to triggered at stage of "booting under maas direction.." [please refer "RSOD_error" snapshot for mroe details]

  6. In step 4, if groub config for commissioned machine is pointing to
  ubuntu boot kernel the RSOD wont be triggered.

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