[Bug 1874278] Re: Can't install any packages with ubuntu-drivers using ubuntu-drivers when invoked from ubiquity

[Martin Wimpress]

** Changed in: linux-restricted-modules (Ubuntu)
       Status: Fix Released => Fix Committed

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Title:
  Can't install any packages with ubuntu-drivers using ubuntu-drivers
  when invoked from ubiquity

Status in linux-restricted-modules package in Ubuntu:
  Fix Committed
Status in ubiquity package in Ubuntu:
  Confirmed
Status in ubuntu-drivers-common package in Ubuntu:
  Confirmed

Bug description:
  We are in the process of switching ubuntu-drivers to installing linux-
  restricted-modules versions of NVidia drivers when it can, but this
  fails when Ubiquity invokes ubuntu-drivers, like:

  Setting up linux-modules-nvidia-440-5.4.0-25-generic (5.4.0-25.29) ...
   /var/lib/dpkg/info/linux-modules-nvidia-440-5.4.0-25-generic.postinst: 44: 3: B
  ad file descriptor
   dpkg: error processing package linux-modules-nvidia-440-5.4.0-25-generic (--con
  figure):
    installed linux-modules-nvidia-440-5.4.0-25-generic package post-installation 
  script subprocess returned error exit status 2
   dpkg: dependency problems prevent configuration of linux-modules-nvidia-440-gen
  eric-hwe-20.04:
    linux-modules-nvidia-440-generic-hwe-20.04 depends on linux-modules-nvidia-440
  -5.4.0-25-generic (= 5.4.0-25.29); however:
     Package linux-modules-nvidia-440-5.4.0-25-generic is not configured yet.
   
   dpkg: error processing package linux-modules-nvidia-440-generic-hwe-20.04 (--configure):
    dependency problems - leaving unconfigured

  It's a problem with the nesting of debconf: Ubiquity itself is using
  debconf, and ubuntu-drivers is installing -nvidia- packages which
  themselves also use debconf, and we don't know how to connect ubuntu-
  drivers use of debconf with the ubiquity one.

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