[Bug 2056375] Re: Ubuntu Studio ISO fails to build: "/usr/sbin/grub-probe: error: failed to get canonical path of `overlay'."

[Steve Langasek]

It's not clear why installing mokutil would force install of the
libefivar1 real package, when libefivar1t64 has a versioned Provides: of
it; or why this would happen on one particular flavor when the grub code
is rather generic across flavors.  But if bumping mokutils through
resolves it, we can remove the armhf binary to get this done sooner
rather than later.

** Tags removed: rls-nn-incoming
** Tags added: foundations-todo

** Also affects: mokutil (Ubuntu Noble)
   Importance: Critical
       Status: Fix Committed

** Changed in: mokutil (Ubuntu Noble)
     Assignee: (unassigned) => Steve Langasek (vorlon)

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https://bugs.launchpad.net/bugs/2056375

Title:
  Ubuntu Studio ISO fails to build: "/usr/sbin/grub-probe: error: failed
  to get canonical path of `overlay'."

Status in mokutil package in Ubuntu:
  Fix Committed
Status in mokutil source package in Noble:
  Fix Committed

Bug description:
  Full build log is at
  https://launchpadlibrarian.net/717896339/buildlog_ubuntu_noble_amd64_ubuntustudio_BUILDING.txt.gz.
  Relevant section:

  Preconfiguring packages ...
  Fetched 692 MB in 4s (169 MB/s)
  (Reading database ... 
  (Reading database ... 5%
  (Reading database ... 10%
  (Reading database ... 15%
  (Reading database ... 20%
  (Reading database ... 25%
  (Reading database ... 30%
  (Reading database ... 35%
  (Reading database ... 40%
  (Reading database ... 45%
  (Reading database ... 50%
  (Reading database ... 55%
  (Reading database ... 60%
  (Reading database ... 65%
  (Reading database ... 70%
  (Reading database ... 75%
  (Reading database ... 80%
  (Reading database ... 85%
  (Reading database ... 90%
  (Reading database ... 95%
  (Reading database ... 100%
  (Reading database ... 347331 files and directories currently installed.)
  Removing os-prober (1.81ubuntu3) ...
  Removing memtest86+ (7.00-1) ...
  Removing ubuntustudio-lowlatency-settings (24.04.14) ...
  Removing plymouth-theme-ubuntustudio (24.04.1) ...
  update-alternatives: removing manually selected alternative - switching default.plymouth to auto mode
  update-alternatives: using /usr/share/plymouth/themes/bgrt/bgrt.plymouth to provide /usr/share/plymouth/themes/default.plymouth (default.plymouth) in auto mode
  update-alternatives: using /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth to provide /usr/share/plymouth/themes/text.plymouth (text.plymouth) in auto mode
  update-initramfs: deferring update (trigger activated)
  /usr/sbin/grub-probe: error: failed to get canonical path of `overlay'.
  dpkg: error processing package plymouth-theme-ubuntustudio (--remove):
   installed plymouth-theme-ubuntustudio package post-removal script subprocess returned error exit status 1
  dpkg: too many errors, stopping
  Errors were encountered while processing:
   plymouth-theme-ubuntustudio
  Processing was halted because there were too many errors.

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