[Bug 1990624] Re: Removing old kernel-core leaves modules.builtin.alias.bin under /lib/modules

[Nick Rosbrook]

You could try opening a bug for the linux package
(https://launchpad.net/ubuntu/+source/linux), but I'm not sure it is a
bug exactly. Other tools like depmod may add files to
/lib/modules/$version, which causes apt to not remove the
/lib/modules/$version directory so that it does not accidentally delete
data the user did want deleted.

** Also affects: systemd (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Changed in: systemd (Ubuntu Focal)
       Status: New => Triaged

** Changed in: systemd (Ubuntu Focal)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/1990624

Title:
  Removing old kernel-core leaves modules.builtin.alias.bin under
  /lib/modules

Status in systemd package in Ubuntu:
  Invalid
Status in systemd source package in Focal:
  Triaged
Status in systemd source package in Jammy:
  Triaged

Bug description:
  After I remove old kernels, I see there are artifacts left over in
  /lib/modules. Below, I should have only two folders - one for the
  latest 5.4 kernel, and one for the latest 5.15 kernel.

  $ ls /lib/modules
  5.15.0-41-generic  5.15.0-46-generic  5.4.0-126-generic
  5.15.0-43-generic  5.15.0-48-generic

  $ ls /lib/modules/5.15.0-41-generic/
  misc               modules.builtin.alias.bin  modules.dep.bin  modules.symbols
  modules.alias      modules.builtin.bin        modules.devname  modules.symbols.bin
  modules.alias.bin  modules.dep                modules.softdep

  This appears to be a rehash of Red Hat Issue 2016630 - Removing old
  kernel-core leaves modules.builtin.alias.bin under /lib/modules,
  https://bugzilla.redhat.com/show_bug.cgi?id=2016630 .

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