gfvs freezes nautilus after switching networks

[Rocko]

To replicate:

1. Connect to a SFTP or Samba share via nautilus.

2. Change networks, eg by suspending and resuming in a different location or by manually forcing a change to a network. For instance, I change from a 10.1.1.x network to a 192.168.10.x network and back again.

3. Open nautilus.

The expected result is that nautilus should open immediately.

The actual result is that nautilus does not open for some minutes.

The workaround is to manually kill the gvfsd-smb and/or gvfsd-ssh processes. So there is some timeout issue in gvfs that is freezing nautilus. If the gvfsd-* processes cannot see the mounted shared drive, this should not prevent nautilus from functioning properly.

This is an issue in both Ubuntu 14.04 and 14.10.

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: gvfs 1.20.2-1ubuntu2
Uname: Linux 3.18.0-031800rc6-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Nov 29 11:11:19 2014
InstallationDate: Installed on 2014-11-26 (3 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
SourcePackage: gvfs
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.