[Bug 1886148] Re: failure to boot groovy daily

[Leó Kolbeinsson]

Comment #44 last paragraph should read:

Retested the above 2 machines and both booted successfully in BIOS and
UEFI+secure boot modes.

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https://bugs.launchpad.net/bugs/1886148

Title:
  failure to boot groovy daily

Status in Ubuntu CD Images:
  In Progress
Status in casper package in Ubuntu:
  Invalid

Bug description:
  This is very similar to https://bugs.launchpad.net/bugs/1883040

  Boxes that have failed to boot it are
  	
  dell [optiplex] 755 (c2d-e8300, 8gb, amd/ati radeon rv610/radeon hd2400 pro/xt)
  dell [optiplex] 755 (c2d-e6850, 5gb, amd/ati radeon rv516/x1300/x1550)
  hp dc7700 (c2d-e6320, 5gb, nvidia quadro nvs 290)
  hp 8200 elite sff (i5-2400, 8gb, nvidia quadro 600)
  sony vaio svp112a1cw (i5-9400u, 4gb, intel haswell-ULT)

  I can't get md5sums because of errors at
  http://iso.qa.ubuntu.com/qatracker/milestones/413/builds/216043/downloads,
  so I just re-ran zsync to verify download & it confirms 100%
  downloaded, so I'm assuming that isn't at fault.

  The ISO was written twice to two different thumb-drives. Same issue
  each time on same boxes.

  On a number of boxes it’s wanting me to download aka
  https://bugs.launchpad.net/ubuntu-cdimage/+bug/1883040 however it’s
  done that on boxes not impacted by that bug, which makes me think
  thumb-drive/squashfs errs related.  Also results of boot appeared
  different on varying boxes (inconsistent; dc7700 reported no thumb-
  drive; d755-5 also did that sometimes, sometimes it got to wanting to
  download - those two boxes were impacted by prior report; the
  remaining boxes were more consistent in response..; but if trouble
  reading data on thumb-drive then the slower boxes (dc7700/d755-5) may
  have more issues & thus be less consistent?)

  Further I noted @leok has recorded a valid test today which means a
  real issue is unlikely (this severe anyway), thus thumb-drives & me
  (operator error) not ruled out.

  I'll file this as a bug report so I can close my failed QA-tests, but
  I'm considering changing the status to 'incomplete', and re-testing
  tomorrow, OR it needs me to re-write ISO from a different box to a
  third-thumb-drive as I don't think I've ruled out media issues given
  Leok's report.

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