desktop-packages team mailing list archive

[Tony Espy <1480877@xxxxxxxxxxxxxxxxxx>]

Here's a script that calls dbus-monitor with the correct match rules in
order to catch AccessPointAdded and Removed signals, as well as
PropertiesChanged signals for the Device.Wireless 'AccessPoints'
property.

** Attachment added: "monitor-aps.sh"
   https://bugs.launchpad.net/ubuntu-rtm/+source/location-service/+bug/1480877/+attachment/4517317/+files/monitor-aps.sh

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https://bugs.launchpad.net/bugs/1480877

Title:
  Access points' "PropertiesChanged" dbus signals freeze UI on mobile
  devices

Status in Canonical System Image:
  Confirmed
Status in indicator-network package in Ubuntu:
  Incomplete
Status in network-manager package in Ubuntu:
  Incomplete
Status in location-service package in Ubuntu RTM:
  New
Status in network-manager package in Ubuntu RTM:
  Incomplete

Bug description:
  Krillin, rc-proposed, r83

  
  DESCRIPTION:
  I've been trying to track down the cause of the occasional UI freezes on my Krillin device, and I noticed that whenever the UI freezes for 2-4 seconds, I get a burst of "PropertiesChanged" signals in dbus-monitor

  Here's a log of what's shown in dbus-monitor:
  http://pastebin.ubuntu.com/11992322/

  I'd guess the problem is in the code that actually catches the signals
  and acts accordingly.

  HOW TO REPRODUCE: 
  1) Move to a place where many wifi hotspots are available
  2) Connect the device via USB and run "phablet-shell" and then "dbus-monitor"
  3) Use the device while keeping an eye on dbus-monitor output

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