[Bug 1313784] Re: File descriptors leaked on lvs invocation

[Laurent Bonnaud]

I see this error in Ubuntu 19.10:

# grub-install
Installing for x86_64-efi platform.
File descriptor 4 (/dev/nvme0n1p1) leaked on vgs invocation. Parent PID 6830: grub-install
File descriptor 4 (/dev/nvme0n1p1) leaked on vgs invocation. Parent PID 6830: grub-install
Installation finished. No error reported.

Package: grub2-common
Version: 2.04-1ubuntu11


** Bug watch added: Debian Bug tracker #592834
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=592834

** Also affects: grub2 (Debian) via
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=592834
   Importance: Unknown
       Status: Unknown

** Tags added: eoan

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https://bugs.launchpad.net/bugs/1313784

Title:
  File descriptors leaked on lvs invocation

Status in grub2 package in Ubuntu:
  Triaged
Status in grub2 package in Debian:
  Unknown

Bug description:
  While upgrading to Kubuntu 14.04 yesterday, I got the following error
  messages over and over again:

  Generating grub configuration file ...^M
  File descriptor 3 (pipe:[4852522]) leaked on vgs invocation. Parent PID 6438: grub-probe^M
  File descriptor 59 (/var/log/dist-upgrade/apt.log) leaked on vgs invocation. Parent PID 6438: grub-probe^M

  
  The file descriptors appeared random, and the "Parent PID" was either /bin/sh, grub-install, grub-probe or /usr/sbin/grub-probe:
  grep leaked ./dist-upgrade/apt-term.log |sed 's/.*Parent PID [0-9]*: //' | sort  | uniq -c
       53 /bin/sh
       72 grub-install
      106 grub-probe
     1484 /usr/sbin/grub-probe

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