[Bug 1928939] Re: excessive boot time (some old bios boxes); ; lubuntu impish daily

[José Marinho]

I can confirm as the reporter of the bug present on Hirsute mentioned
above that the bug persists in Impish and affects at least to regular
Ubuntu in addition to Lubuntu.

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https://bugs.launchpad.net/bugs/1928939

Title:
  excessive boot time (some old bios boxes); ;lubuntu impish daily

Status in casper package in Ubuntu:
  Confirmed

Bug description:
  Lubuntu impish daily (QA-test) live boot on
  - motion computing j3400 (c2d-u9400, 4gb, intel mobile 4 series)

  At computerbank (CBV Victoria) we timed boots of Ubuntu installs and
  if they didn't meet a minimum requirement, the 'build' was failed
  meaning it had to be fixed, or box was recycled.  (this is a live boot
  and not install boot, but I'm using this as example of issue)

  This box was fine until somewhere during the hirsute cycle, when boot
  times suddenly booting took >8 minutes from a thumb-drive.

  The ISO was written today with MKUSB (dd/clone), however the result during prior tests during the hirsute cycle is the same using
  - mkusb  (dd/clone write)
  - dd
  - gnome-disks (restore disk image)
  Note:  this is based on prior testing during hirsute, today's was just using mkusb (dd/clone)

  ** Expected result

  A live boot should NOT take >8 mins

  ** Actual results

  stopwatch started when I pressed <ENTER> for "Start Lubuntu" at grub
  menu

  * 7 mins 20 secs for blue Plymouth screen to appear
  * ~8 mins 0 secs for mouse pointer to show on black background (maybe 7 mins 57 secs b/c I'd dazed out)

  * 8 mins 33 secs for background & Lubuntu/LXQt display to show

  It's not the box is suddenly slow.. something changed during hirsute
  that caused the live session to boot slowly...

  See comment #2 for results of booting the current focal daily (ie.
  what will become 20.04.3)

  Comparison  (current focal vs impish dailies)

                                Focal daily        Impish daily
  plymouth                            ~46 sec      7 mins 20 secs
  scan media start                    ~50 sec
  scan media pass                3 min 08 sec
  black screen & mouse-pointer   3 min 32 sec     ~8 mins 00 secs
  full LXQt running              3 min 45 sec      8 mins 33 secs

  ** Conclusion

  If the boot needs to be this slow - some messages on screen are needed
  !

  FYI: duplicate of
  https://bugs.launchpad.net/ubuntu/+source/casper/+bug/1922342 except
  this is impish; that bug was hirsute.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.10
  Package: casper 1.461
  ProcVersionSignature: Ubuntu 5.11.0-16.17-generic 5.11.12
  Uname: Linux 5.11.0-16-generic x86_64
  ApportVersion: 2.20.11-0ubuntu66
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.461
  CurrentDesktop: LXQt
  Date: Wed May 19 12:21:28 2021
  LiveMediaBuild: Lubuntu 21.10 "Impish Indri" - Alpha amd64 (20210518)
  SourcePackage: casper
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.casper.conf: 2021-05-19T12:14:28.696065

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