And some more details, by adding 'env QDBUS_DEBUG=1' to the unity8 upstart job, I'm getting a lot more detail without having to further modify the code.
I'm seeing "Adding rule" log statements produced by QDBusConnectionPrivate, but no corresponding "Removing rule" logs, so sounds like my previous theory is on track ( ie. that reference counting may be the cause ). That said, I'll need to add some more logging and rebuild... Also, while examining the DBus log, it looks like every time the plugin sees a 'PropertiesChanged' message from the AccessPoint, it calls "GetAll", which is pointless as all the changed properties are transmitted with the signal... -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtbase-opensource-src in Ubuntu. 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 Unity 8: New Status in dbus-cpp package in Ubuntu: In Progress Status in indicator-network package in Ubuntu: Incomplete Status in network-manager package in Ubuntu: Incomplete Status in qtbase-opensource-src package in Ubuntu: Confirmed Status in buteo-syncfw package in Ubuntu RTM: New Status in location-service package in Ubuntu RTM: In Progress Status in maliit-framework package in Ubuntu RTM: New Status in network-manager package in Ubuntu RTM: Incomplete Status in sync-monitor package in Ubuntu RTM: New 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 To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1480877/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
