[Bug 1922342] Re: HIrsute live session does not work on BIOS systems

[Chris Guiver]

To José Marinho (jmarinho)

I'm not a developer, but involved in QA-testing primarily with Lubuntu.

Today's hirsute (Lubuntu) daily was written to media using

`sudo dd bs=4M oflag=sync status=progress of=/dev/sdb
if=/de2900/lubuntu_64/hirsute-desktop-amd64.iso`

and it was test booted on a number of BIOS devices (see
http://iso.qa.ubuntu.com/qatracker/milestones/419/builds/228949/testcases/1303/results)

The last device (thinkpad sl510; c2d-t6570) was rebooted & using the
installed bionic system, the Ubuntu Desktop hirsute daily was written to
a thumb-drive using usb-creator-gtk (0.3.2ubuntu16.04.2)

The thinkpad sl510 was then rebooted & the thumb-drive that was just
written was successfully booted on sl510
(http://iso.qa.ubuntu.com/qatracker/milestones/419/builds/228934/testcases/1303/results).

I cannot re-create this issue on
- lenovo thinkpad sl510 (c2d-t6570, 2gb ram, i915)
- motion computing j3400 (c2d-u9400, 4gb, intel mobile 4 series)
- hp dc7700 (c2d-e6320, 5gb, nvidia quadro nvs 290)
- dell [optiplex] 755 (c2d-e6850, 5gb, amd/ati radeon rv516/x1300/x1550)
- dell [optiplex] 755 (c2d-e8300, 8gb, amd/ati radeon rv610/radeon hd2400 pro/xt)
- dell [optiplex] 780 (c2q-q9400, 8gb, amd/ati cedar radeon hd 5000/6000/7350/8350)

being BIOS c2d/c2q devices (all tested today)

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https://bugs.launchpad.net/bugs/1922342

Title:
  HIrsute live session does not work on BIOS systems

Status in casper package in Ubuntu:
  New

Bug description:
  I think the problem is the same as described here:
  https://discourse.ubuntubudgie.org/t/20-10-grub-error-can-t-find-
  command-grub-platform/4292. I can see prior to grub menu, briefly, the
  same error: Error can't find grub_platform. After the solution
  described below, this error is not showed and the system is able to
  boot.

  I try making the live usb using startup disk creator and with gnome-
  disks --> Restore disk image and get the same results.

  The live-usb has a gpt partition table instead of mbr like 20.04 live-
  usb has. That implies, I think, that the first one does not boot on
  BIOS systems and the second does.

  I try the same live-usb on an EFI laptop and it boots perfectly
  (perhaps it takes long time).

  If I try the solution described here:
  https://bugs.launchpad.net/ubuntu/+source/casper/+bug/1905491/comments/8
  then it works.

  I think it is the same bug but I reported it again because, I don't
  know exactly why, it was tagged as invalid, but I think it is a bug
  and it must be solved because it's not normal that users with BIOS
  pc's have to do all this procedure to get a live session working.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: casper 1.461
  ProcVersionSignature: Ubuntu 5.11.0-13.14-generic 5.11.7
  Uname: Linux 5.11.0-13-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu61
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.461
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Apr  2 09:55:24 2021
  LiveMediaBuild: Ubuntu 21.04 "Hirsute Hippo" - Beta amd64 (20210331.1)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=gl_ES.UTF-8
   SHELL=/bin/bash
  SourcePackage: casper
  UpgradeStatus: No upgrade log present (probably fresh install)

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