Still got this today on dist-upgrading a 16.04 Server. Not very neat and caused some concern for bootability until reading here and the Debian bug made me realize that it is caused by the way triggers invocate lvm tools:
Setting up mdadm (3.3-2ubuntu7.4) ... update-initramfs: deferring update (trigger activated) Generating grub configuration file ... File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 2303: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 2303: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 2316: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 2316: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 2329: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 2329: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 2342: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 2342: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 2402: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 2402: /usr/sbin/grub-probe Found linux image: /boot/vmlinuz-4.4.0-98-generic Found linux image: /boot/vmlinuz-4.4.0-97-generic Found initrd image: /boot/initrd.img-4.4.0-97-generic Found linux image: /boot/vmlinuz-4.4.0-96-generic Found initrd image: /boot/initrd.img-4.4.0-96-generic Found linux image: /boot/vmlinuz-4.4.0-93-generic Found initrd image: /boot/initrd.img-4.4.0-93-generic Found linux image: /boot/vmlinuz-4.4.0-87-generic Found initrd image: /boot/initrd.img-4.4.0-87-generic File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 3125: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on vgs invocation. Parent PID 3125: /usr/sbin/grub-probe File descriptor 3 (pipe:[379519083]) leaked on lvs invocation. Parent PID 3241: /bin/sh done update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1313784 Title: File descriptors leaked on lvs invocation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1313784/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
