[Bug 1899308] Re: failure to boot groovy daily (again)

[sudodus]

Hi Thomas,

1. Yes, the software in the ISO fiddles with the USB stick partitioning.
I think this was introduced in Ubuntu 19.10. I think it is used to log
the installer (to help debug failures) and to store crash dumps. (I
would be happy to turn it off.)

Please tell me which partition editor commands to run and I will upload
the output. You can do the same in your computer and check if there is
any difference.

Well, after your tweaks it seems to work again in most computers also
with GPT, but for a long time the partition was created, but the ext4
file system failed to be created.

2. I agree with you about how it should be. But my experience is
contrary to that in some cases.

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https://bugs.launchpad.net/bugs/1899308

Title:
  failure to boot groovy daily  (again)

Status in Ubuntu CD Images:
  Fix Released
Status in cd-boot-images-amd64 package in Ubuntu:
  Confirmed

Bug description:
  This is either a duplicate or return of
  - https://bugs.launchpad.net/ubuntu-cdimage/+bug/1883040
  - https://bugs.launchpad.net/ubuntu-cdimage/+bug/1886148

  Most probably "groovy daily won't boot anymore on some older BIOS
  boxes" or the 1883040 bug, as it's impacting only my older slow boxes
  (but it's also different).

  thumb-drive has been successfully used in QA live & install tests,
  however it won't boot on

  hp dc7700 (c2d-e6320, 5gb, nvidia quadro nvs 290)
  hp dc7900 (c2d-e8400, 4gb, intel 4 series integrated i915)

  The last timing issue also impacted d755-5 (older dell optiplex 755)
  when dc7700 was impacted, but that booted successfully this ISO.

  I see thumb-drive flash as it tries to boot, eventually it stops
  flashing, but no boot. At least 6 attempts made to boot, thumb-drive
  being tested on another 2x d755 boxes..

  (ISO written by mkusb/dus & gnome-disks [#11] is identical)

  ** Expected result

  It boots & is usable

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