Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.17 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.17 ** Package changed: linux-hwe (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1776592 Title: error: snapshot dump failed Status in linux package in Ubuntu: New Bug description: To start live migration using LXD in docker my experimental setup is as follows: Physical machine OS: Ubuntu 16.04 Docker version 17.06.0-ce, build 02c1d87 lxc --version 2.0.11 lxd --version 2.0.11 criu --version Version: 2.6 After successful installation of container named 'c1' i run the following command to save the current states of the container to disk: sudo lxc snapshot c1 checkpoint-2 --stateful But it gives following errors: error: snapshot dump failed (00.260241) Error (criu/sk-netlink.c:73): The socket has data to read (00.260268) Error (criu/cr-dump.c:1313): Dump files (pid: 9158) failed with -1 (00.303791) Error (criu/cr-dump.c:1628): Dumping FAILED. Any, help will be appreciated. Solutions can be emailed directly at: adityaf...@gmail.com ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.13.0-36-generic 4.13.0-36.40~16.04.1 [modified: boot/vmlinuz-4.13.0-36-generic] ProcVersionSignature: Ubuntu 4.13.0-36.40~16.04.1-generic 4.13.13 Uname: Linux 4.13.0-36-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 Date: Wed Jun 13 10:07:04 2018 InstallationDate: Installed on 2018-06-12 (0 days ago) InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228) ProcEnviron: LANGUAGE=en_IN:en TERM=xterm-256color PATH=(custom, no user) LANG=en_IN SHELL=/bin/bash SourcePackage: linux-hwe UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1776592/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
