group.of.nepali.translators team mailing list archive

[Mathieu Trudel-Lapierre <mathieu.tl@xxxxxxxxx>]

This needs a fix in grub-installer.

** Changed in: debian-installer (Ubuntu)
     Assignee: Taco Screen team (taco-screen-team) => Mathieu Trudel-Lapierre (cyphermox)

** Changed in: debian-installer (Ubuntu)
       Status: New => In Progress

** Changed in: debian-installer (Ubuntu)
   Importance: Undecided => High

** Also affects: debian-installer (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Package changed: debian-installer (Ubuntu) => grub-installer (Ubuntu)

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https://bugs.launchpad.net/bugs/1656048

Title:
  grub-installer might not install to the PReP partition of NVMe disks

Status in grub-installer package in Ubuntu:
  In Progress
Status in grub-installer source package in Xenial:
  New

Bug description:
  == Comment: #0 - Mauricio Faria De Oliveira - 2017-01-12 05:22:08 ==
  ---Problem Description---
  On ppc64el, the grub-installer script attempts to detect which PReP partition is in the same disk as of the installed system, in order to install grub into it.

  This check is not working properly for NVMe devices, and needs an update.
  It might result in overwriting the PReP partition of another disk, possibly another Linux distro/version, which is unrelated to the current installation.

  Patches for Xenial and Zesty are attached.

  Problem example:
  ---

  - PReP partition actually is '/dev/nvme1n1p1'
  - PReP partition detected is '/dev/sda1'

      ~ # /usr/lib/grub-installer/prep-bootdev -l
      /dev/sda1
      /dev/nvme1n1p1
      /dev/nvme0n1p1

      ~ # grep grub-install /var/log/syslog
      ...
      Jan 11 22:17:25 main-menu[518]: INFO: Menu item 'grub-installer' selected
      Jan 11 22:17:25 grub-installer: info: architecture: ppc64el/chrp_ibm
      Jan 11 22:17:29 grub-installer: info: Identified partition label for /dev/nvme1n1p2: gpt
      Jan 11 22:17:29 grub-installer: info: Wiping PReP partition /dev/sda1
      ...
      Jan 11 22:17:33 grub-installer: info: Running chroot /target grub-install  --force "/dev/sda1"
      ...
      Jan 11 22:17:33 grub-installer: info: grub-install ran successfully

      ~ # in-target ofpathname /dev/sda1
      ~ # in-target nvram --print-config=boot-device

      ~ # tail -n2 /var/log/syslog
      ... in-target: /pci@800000020000015/pci1014,034A@0/sas/disk@5000c50067b1166b
      ... in-target: /pci@800000020000015/pci1014,034A@0/sas/disk@5000c50067b1166b


  Patch applied:
  ---

  ~ # grep grub-installer /var/log/syslog
  ...
  Jan 11 23:59:25 main-menu[518]: INFO: Menu item 'grub-installer' selected
  Jan 11 23:59:25 grub-installer: info: architecture: ppc64el/chrp_ibm
  Jan 11 23:59:27 grub-installer: info: Identified partition label for /dev/nvme1n1p2: gpt
  Jan 11 23:59:27 grub-installer: info: Wiping PReP partition /dev/nvme1n1p1
  ...
  Jan 11 23:59:30 grub-installer: info: Running chroot /target grub-install  --force "/dev/nvme1n1p1"
  ...
  Jan 11 23:59:31 grub-installer: info: grub-install ran successfully

  
      ~ # in-target nvram --print-config=boot-device
      ~ # tail -n1 /var/log/syslog
      ... in-target: /pci@800000020000028/pci1bb1,121@0/namespace@1

  After reboot of installation done:

      0 > printenv boot-device 
      -------------- Partition: common -------- Signature: 0x70 ---------------
      boot-device              /pci@800000020000028/pci1bb1,121@0/namespace@1 

  
  == Comment: #1 - Mauricio Faria De Oliveira <mauricfo@xxxxxxxxxx> - 2017-01-12 05:24:08 ==
  Patch for Xenial

  == Comment: #2 - Mauricio Faria De Oliveira <mauricfo@xxxxxxxxxx> - 2017-01-12 05:24:26 ==
  Patch for Zesty.

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