For my use case, I was able to kill gvfsd-mtp after attaching my phone. What I wanted to do still worked, so apparently gvfsd-mtp is not required for my use case. You have to kill it quickly though or the system becomes unresponsive.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gvfs in Ubuntu. https://bugs.launchpad.net/bugs/1771394 Title: gvfsd-mtp hoovers up all memory Status in gvfs: Incomplete Status in gvfs package in Ubuntu: Confirmed Bug description: When I run a Win7 Virtual Machine and attach my smartphone via USB (to run Samsung Smart Switch on the VM) gvfsd-mtp sucks up all of my 16G(!) of RAM and the system becomes unresponsive. This same workflow worked without issue in 14.04 LTS. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gvfs-backends 1.36.1-0ubuntu1 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: LXDE Date: Tue May 15 12:02:25 2018 InstallationDate: Installed on 2018-04-27 (18 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) SourcePackage: gvfs UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/gvfs/+bug/1771394/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp