[Bug 251164] Re: boot impossible due to missing initramfs failure hook / event driven initramfs

[ceg]

> Since udev already provides an event driven framework in 
the initramfs, why add another one?

Hmm, if you would like to realize event driven init scripts, I believe
you may be able to rework the scripts from doing linear pre...post
things to just call a watchdog script that mostly sleeps and checks how
things are going on. And then have separate task scripts that get only
called by udev events, or the watchdog.

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https://bugs.launchpad.net/bugs/251164

Title:
  boot impossible due to missing initramfs failure hook / event driven
  initramfs

Status in “cryptsetup” package in Ubuntu:
  Triaged
Status in “mdadm” package in Ubuntu:
  Confirmed

Bug description:
  the cryptsetup package needs proper integration into the initramfs
  failure hooks

  The system must not assume a particular layered setup or sequence of
  appearance of (hotplug/udev/crypt/md/degraded-md/lvm) devices.

  It must be able to boot with any possible combination raid, lvm, crypt
  combination that the debian-installer can produce.

  
  Description of solution in comment #15

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