touch-packages team mailing list archive

[Andrea Bernabei <andrea.bernabei@xxxxxxxxxxxxx>]

New info about some debugging with "awe":

rc-proposed, r102, krillin, nm 0.9.10.0-4ubuntu15.1.7

----I CLOSED ALL APPS, NOTHING IN THE TASK SWITCHER----

After getting home I still have the bug, I enabled and disabled WiFi a
couple of times, the problem comes back every time WiFi is enabled.

The frequency, however, is different: I get 3-4secs freezes every 2
mins, which awe says is likely the WiFi scanning interval.

AFTER DISABLING THE DBUS SESSION BRIDGE --> no change

AFTER DISABLING THE NETWORK INDICATOR --> no change

there's still spamming in the system dbus, and the same 3-4secs freeze
(maybe a bit less than with bridge and network indicator enabled though)

-- 
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Touch seeded packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1480877

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

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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