[Bug 1926791] Re: File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID 1830887: grub-probe

[Gordon]

The only reference I found to this bug was posted here 3 months ago...

https://9to5answer.com/file-descriptor-3-pipe-36899-leaked-on-vgs-
invocation-parent-pid-12657-usr-sbin-grub-probe

I too experienced this issue when removing old linux-*-generic|tools
kernel headers and files...

sudo apt-get remove `sudo dpkg -l | grep -E
"linux-.*?-1[012][0-9]-[a-z]{1,}" | grep ii | awk '{print $2}' | tr '\n'
' '`

Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
  linux-headers-5.4.0-107-lowlatency linux-headers-5.4.0-122-lowlatency linux-image-5.4.0-107-lowlatency linux-image-5.4.0-122-lowlatency linux-modules-5.4.0-107-lowlatency
  linux-modules-5.4.0-122-lowlatency linux-tools-5.4.0-107-generic linux-tools-5.4.0-122-generic
0 upgraded, 0 newly installed, 8 to remove and 2 not upgraded.
After this operation, 618 MB disk space will be freed.
Do you want to continue? [Y/n] y


The same bug as reported above - please escalate a fix, if it is cosmetic, is there a workaround?

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https://bugs.launchpad.net/bugs/1926791

Title:
  File descriptor 10 (/var/lib/dpkg/triggers/linux-
  update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent
  PID  1830887: grub-probe

Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  Hi, I'm using Ubuntu 20.04.2 LTS.

  I receiving this message when removing old kernels :

  "File descriptor 10 (/var/lib/dpkg/triggers/linux-
  update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent
  PID  1830887: grub-probe"

  $ linux-purge -l -k 2
  linux-headers-5.4.0-60
  linux-headers-5.4.0-60-generic
  linux-headers-5.4.0-67
  linux-headers-5.4.0-67-generic
  linux-image-5.4.0-60-generic
  linux-image-5.4.0-67-generic
  linux-modules-5.4.0-60-generic
  linux-modules-5.4.0-67-generic
  linux-modules-extra-5.4.0-60-generic
  linux-modules-extra-5.4.0-67-generic
  $ sudo apt purge -V $(linux-purge -l -k 2)
  Reading package lists... Done
  Building dependency tree
  Reading state information... Done
  The following packages will be REMOVED:
     linux-headers-5.4.0-60* (5.4.0-60.67)
     linux-headers-5.4.0-60-generic* (5.4.0-60.67)
     linux-headers-5.4.0-67* (5.4.0-67.75)
     linux-headers-5.4.0-67-generic* (5.4.0-67.75)
     linux-image-5.4.0-60-generic* (5.4.0-60.67)
     linux-image-5.4.0-67-generic* (5.4.0-67.75)
     linux-modules-5.4.0-60-generic* (5.4.0-60.67)
     linux-modules-5.4.0-67-generic* (5.4.0-67.75)
     linux-modules-extra-5.4.0-60-generic* (5.4.0-60.67)
     linux-modules-extra-5.4.0-67-generic* (5.4.0-67.75)
  0 upgraded, 0 newly installed, 10 to remove and 2 not upgraded.
  After this operation, 737 MB disk space will be freed.
  Do you want to continue? [Y/n]
  (Reading database ... 734435 files and directories currently installed.)
  Removing linux-headers-5.4.0-60-generic (5.4.0-60.67) ...
  Removing linux-headers-5.4.0-60 (5.4.0-60.67) ...
  Removing linux-headers-5.4.0-67-generic (5.4.0-67.75) ...
  Removing linux-headers-5.4.0-67 (5.4.0-67.75) ...
  Removing linux-modules-extra-5.4.0-60-generic (5.4.0-60.67) ...
  Removing linux-image-5.4.0-60-generic (5.4.0-60.67) ...
  /etc/kernel/prerm.d/dkms:
  dkms: removing: bcmwl 6.30.223.271+bdcom (5.4.0-60-generic) (x86_64)

  -------- Uninstall Beginning --------
  Module:  bcmwl
  Version: 6.30.223.271+bdcom
  Kernel:  5.4.0-60-generic (x86_64)
  -------------------------------------

  Status: Before uninstall, this module version was ACTIVE on this
  kernel.

  wl.ko:
   - Uninstallation
     - Deleting from: /lib/modules/5.4.0-60-generic/updates/dkms/
   - Original module
     - No original module was found for this module on this kernel.
     - Use the dkms install command to reinstall any previous module version.

  depmod...

  DKMS: uninstall completed.
  /etc/kernel/postrm.d/initramfs-tools:
  update-initramfs: Deleting /boot/initrd.img-5.4.0-60-generic
  /etc/kernel/postrm.d/zz-update-grub:
  Sourcing file `/etc/default/grub'
  Sourcing file `/etc/default/grub.d/init-select.cfg'
  Generating grub configuration file ...
  Found linux image: /boot/vmlinuz-5.4.0-72-generic
  Found initrd image: /boot/initrd.img-5.4.0-72-generic
  Found linux image: /boot/vmlinuz-5.4.0-71-generic
  Found initrd image: /boot/initrd.img-5.4.0-71-generic
  Found linux image: /boot/vmlinuz-5.4.0-70-generic
  Found initrd image: /boot/initrd.img-5.4.0-70-generic
  Found linux image: /boot/vmlinuz-5.4.0-67-generic
  Found initrd image: /boot/initrd.img-5.4.0-67-generic
  Found Windows Boot Manager on /dev/sda1@/EFI/Microsoft/Boot/bootmgfw.efi
  Adding boot menu entry for UEFI Firmware Settings
  done
  Removing linux-modules-extra-5.4.0-67-generic (5.4.0-67.75) ...
  Removing linux-image-5.4.0-67-generic (5.4.0-67.75) ...
  /etc/kernel/prerm.d/dkms:
  dkms: removing: bcmwl 6.30.223.271+bdcom (5.4.0-67-generic) (x86_64)

  -------- Uninstall Beginning --------
  Module:  bcmwl
  Version: 6.30.223.271+bdcom
  Kernel:  5.4.0-67-generic (x86_64)
  -------------------------------------

  Status: Before uninstall, this module version was ACTIVE on this
  kernel.

  wl.ko:
   - Uninstallation
     - Deleting from: /lib/modules/5.4.0-67-generic/updates/dkms/
   - Original module
     - No original module was found for this module on this kernel.
     - Use the dkms install command to reinstall any previous module version.

  depmod...

  DKMS: uninstall completed.
  /etc/kernel/postrm.d/initramfs-tools:
  update-initramfs: Deleting /boot/initrd.img-5.4.0-67-generic
  /etc/kernel/postrm.d/zz-update-grub:
  Sourcing file `/etc/default/grub'
  Sourcing file `/etc/default/grub.d/init-select.cfg'
  Generating grub configuration file ...
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1830887: grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1830887: grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1830930: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1830930: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1830940: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1830940: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1830953: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1830953: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1830963: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1830963: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831024: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831024: /usr/sbin/grub-probe
  Found linux image: /boot/vmlinuz-5.4.0-72-generic
  Found initrd image: /boot/initrd.img-5.4.0-72-generic
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831113: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831113: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831127: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831127: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831137: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831137: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831147: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831147: /usr/sbin/grub-probe
  Found linux image: /boot/vmlinuz-5.4.0-71-generic
  Found initrd image: /boot/initrd.img-5.4.0-71-generic
  Found linux image: /boot/vmlinuz-5.4.0-70-generic
  Found initrd image: /boot/initrd.img-5.4.0-70-generic
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831526: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on vgs invocation. Parent PID
   1831526: /usr/sbin/grub-probe
  File descriptor 10 (/var/lib/dpkg/triggers/linux-update-5.4.0-60-generic (deleted)) leaked on lvs invocation. Parent PID
   1831710: /bin/sh
  Found Windows Boot Manager on /dev/sda1@/EFI/Microsoft/Boot/bootmgfw.efi
  Adding boot menu entry for UEFI Firmware Settings
  done
  Removing linux-modules-5.4.0-60-generic (5.4.0-60.67) ...
  Removing linux-modules-5.4.0-67-generic (5.4.0-67.75) ...
  (Reading database ... 661639 files and directories currently installed.)
  Purging configuration files for linux-image-5.4.0-60-generic (5.4.0-60.67) ...
  Purging configuration files for linux-image-5.4.0-67-generic (5.4.0-67.75) ...
  Purging configuration files for linux-modules-5.4.0-60-generic (5.4.0-60.67) ...
  Purging configuration files for linux-modules-extra-5.4.0-67-generic (5.4.0-67.75) ...
  Purging configuration files for linux-modules-extra-5.4.0-60-generic (5.4.0-60.67) ...
  Purging configuration files for linux-modules-5.4.0-67-generic (5.4.0-67.75) ...
  $

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