[Bug 1863672] Re: The 'new' persistent live method starting in 19.10 no longer works

[sudodus]

@Michael Hudson-Doyle,

I have tried but cannot boot with your casper-initrd file. I extracted
it (with gunzip) and pointed to it in grub.cfg with a custom menuentry.

I come to Busybox:
(initramfs) unable to find a medium containing a live file system

The 'standard' menuentry works (with persistence and 'casper-rw' in this
computer, my Dell Precision, where there is no race condition. Still I
fail with your casper-initrd.

1. Please describe exactly what you mean by 'drop this over the one that
came on the ISO'.

2. At what stage and where should I to look for the files /run/udev-
ls.txt and /run/udev-dbg.txt?

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https://bugs.launchpad.net/bugs/1863672

Title:
  The 'new' persistent live method starting in 19.10 no longer works

Status in casper package in Ubuntu:
  Confirmed

Bug description:
  I am iso-testing Focal Fossa and I am creating and maintaining tools
  to create live and persistent live USB drives. Lubuntu Focal daily
  live dated 2020-02-12 works. But the current version of Lubuntu Focal
  dated 2020-02-16 (zsynced approx. one hour ago) does not work when
  using exactly the same method using mkusb-plug, that edits the iso
  file to replace 'quiet splash' with 'persistent  ' /12 characters/ and
  creating an ext partition behind it.

  I noticed that the version of casper has changed from 1.438build1
  (when it worked) to 1.439 so I suspect that this has caused the
  failure.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: casper 1.439
  ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18
  Uname: Linux 5.4.0-14-generic x86_64
  ApportVersion: 2.20.11-0ubuntu16
  Architecture: amd64
  CasperVersion: 1.439
  CurrentDesktop: LXQt
  Date: Mon Feb 17 20:54:54 2020
  LiveMediaBuild: Lubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200216)
  SourcePackage: casper
  UpgradeStatus: No upgrade log present (probably fresh install)
  mtime.conffile..etc.casper.conf: 2020-02-17T20:52:45.667205

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