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

[sudodus]

Hi Thomas,

> > Please notice that the option -compliance no_emul_toc may cause
problems.

> Do you have any tangible indications for this (beyond the fact that MBR
> table does not work for the Lenovos) ?

I wrote maybe (which includes maybe not). I may have drawn faulty
conclusions when I thought that the previous Ubuntu Groovy iso file of
today was the 'real thing', with modified boot structure. I am really
not sure, and I will do more testing, only if you think it is important.
In that case, please advice what to look for. Otherwise, now that the
current daily Ubuntu Desktop iso file works in both the HP Elitebook
8560p and also in the Lenovo V130, it may not be necessary.

Likewise, now we have an uploaded iso file (the current daily Ubuntu
Desktop iso file), that [when cloned] works in the HP Elitebook 8560p
and also in the Lenovo V130. For that reason I don't think we need to
bother with 'my' iso file tweaked according to comment #15.

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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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