touch-packages team mailing list archive

["Jonas G. Drange" <1480877@xxxxxxxxxxxxxxxxxx>]

Hotspot management code that subscribes to NM events [1] was recently
moved from System Settings into indicator-network. The code is quite
comprehensive whenever you have previously created a hotspot. Those
affected by the bug should 1) see if they have previously created a
hotspot and 2) see if by removing the hotspot, the issue is resolved
(sudo rm /etc/NetworkManager/system-connections/<hotspot name> && sudo
reboot).

This wasn't an issue when the code was bound to System Setting's life
cycle, but it may be an issue for the indicator.

[1] http://bazaar.launchpad.net/~indicator-applet-developers/indicator-
network/trunk.15.10/view/head:/src/indicator/nmofono/hotspot-
manager.cpp#L690 (This code is in vivid+overlay too).

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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

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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