[Bug 1796853] Re: os-prober hangs with LVM and cryptsetup

[Audun Gangsto]

This also happens during installs of 18.04 and it causes the
installation to hang at Installing grub 66%

A workaround which works for me is to switch to a console (alt-f2) and
killall dmsetup, then the install completes successfully, but totally
unattended installs are broken for me now.

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https://bugs.launchpad.net/bugs/1796853

Title:
  os-prober hangs with LVM and cryptsetup

Status in os-prober package in Ubuntu:
  Confirmed

Bug description:
  Release: ubuntu 18.04
  Package: os-prober 1.74

  The bug reported in https://bugs.launchpad.net/ubuntu/+source/os-
  prober/+bug/1663645 is still present in some cases and has been
  reported upstream as well: os-prober hangs when using LVM and
  cryptsetup.

  A fix has been released upstream: https://bugs.debian.org/cgi-
  bin/bugreport.cgi?bug=853927

  Could you please consider upgrading the ubuntu os-prober packages to
  1.75 or even 1.76?

  Thanks

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