Gnome System Monitor freezes when wi-fi is reconnecting

[jeremy-list]

To replicate:
1. Use network manager to connect to a poor quality Wi-Fi router (signal strength is irrelevant: the router itself must be low quality).
2. After a short period of time: the connection will stall and require manual reconnection. Use the network manager gnome applet to select the "connected" Wi-Fi again.

Observed results:
Gnome System Monitor becomes unresponsive until the Wi-Fi is connected again.

Expected results:
Apart from the network usage graph: Gnome System Monitor should not be affected by changing network connections.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: gnome-system-monitor 3.18.2-1ubuntu1
ProcVersionSignature: Ubuntu 4.10.0-27.30~16.04.2-generic 4.10.17
Uname: Linux 4.10.0-27-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Jul 25 20:34:11 2017
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/gnome-system-monitor
InstallationDate: Installed on 2017-07-22 (2 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
SourcePackage: gnome-system-monitor
UpgradeStatus: No upgrade log present (probably fresh install)

[Sebastien Bacher (seb128)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please try to obtain a backtrace following the instructions at http://wiki.ubuntu.com/DebuggingProgramCrash and upload the backtrace (as an attachment) to the bug report. This will greatly help us in tracking down your problem.

[Launchpad Janitor (janitor)]

[Expired for gnome-system-monitor (Ubuntu) because there has been no activity for 60 days.]