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

[Ronald Bruintjes]

Doing a dist-upgrade for the new kernel, the same errors occur. It looks
like they're generated after starting the grub configuration file
update:

Generating grub configuration file ...
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15019: /usr/sbin/grub-probe
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15019: /usr/sbin/grub-probe
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15030: /usr/sbin/grub-probe
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15030: /usr/sbin/grub-probe
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15041: /usr/sbin/grub-probe
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15041: /usr/sbin/grub-probe
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15052: /usr/sbin/grub-probe
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15052: /usr/sbin/grub-probe
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15105: /usr/sbin/grub-probe
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15105: /usr/sbin/grub-probe
Found linux image: /boot/vmlinuz-3.16.0-30-generic
Found initrd image: /boot/initrd.img-3.16.0-30-generic
Found linux image: /boot/vmlinuz-3.16.0-29-generic
Found initrd image: /boot/initrd.img-3.16.0-29-generic
Found linux image: /boot/vmlinuz-3.13.0-44-generic
Found initrd image: /boot/initrd.img-3.13.0-44-generic
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15557: /usr/sbin/grub-probe
File descriptor 40 (/dev/pts/5) leaked on vgs invocation. Parent PID 15557: /usr/sbin/grub-probe
Found memtest86+ image: /memtest86+.elf
Found memtest86+ image: /memtest86+.bin
File descriptor 40 (/dev/pts/5) leaked on lvs invocation. Parent PID 15721: /bin/sh
done

Cheers,

Ron.

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

Title:
  File descriptors leaked on lvs invocation

Status in grub-installer package in Ubuntu:
  Confirmed

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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