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Platform Meeting Details

  • Tuesday 2013-02-05 - 11:00 am Pacific
  • Dial-in: Audio-only conference# 95312
    • People with Mozilla phones or softphones please dial x4000 Conf# 95312
    • US/Toll-free: +1 800 707 2533, (pin 4000) Conf# 95312
    • US/California/Mountain View: +1 650 903 0800, x4000 Conf# 95312
    • US/California/San Francisco: +1 415 762 5700, x4000 Conf# 95312
    • US/Oregon/Portland: +1 971 544 8000, x4000 Conf# 95312
    • CA/British Columbia/Vancouver: +1 778 785 1540, x4000 Conf# 95312
    • CA/Ontario/Toronto: +1 416 848 3114, x4000 Conf# 95312
    • UK/London: +44 (0)207 855 3000, x4000 Conf# 95312
    • FR/Paris: +33 1 84 88 37 37, x4000 Conf# 95312
    • Gmail Chat (requires Flash and the Google Talk plugin): paste +1 650 903 0800 into the Gmail Chat box that doesn't look like it accepts phone numbers
    • SkypeOut is free if you use the 800 number
  • Warp Core Vidyo Room
  • join #planning for back channel


  • FF18.0.2 is going out today to resolve an issue making up 20% of our crash volume in FF18 (bug 831626)
  • FF19b5 is going to build before the end of the day, released before the end of the week. We're still hoping to get resolution for:
    • bug 825035 – Blocklisted click-to-play notification only fades in/out once per window per session
    • bug 837371 – crash in nsContainerFrame::BuildDisplayListForNonBlockChildren mainly with AMD Radeon HD 6xxx series
    • bug 837845 – Memory leak when using regular expressions
  • FF19b6 is going to build Monday, released by next Thursday
  • FF19 sign-offs will be held next Wednesday, 10AM PT in the ReleaseCoordination Vidyo room
  • FF19 will be released 2/19, alongside a new ESR17 release. Merge day has been moved from 2/18 to 2/19 due to Monday being a holiday in US/Ontario
    • (joduinn) earlier b2g branching for v1.0.1, which impacts anyone doing last minute gecko landings. Watch for upcoming notices.
40 bugs (40 bugs last week)
19 bugs (50 bugs last week)
Unresolved Aurora 54 Trackers (non-security, not tracked for Beta) Unresolved Beta 129 Trackers (non-security)

(quick reminder that the template for this meeting is found at

Key Issues

Actions Last Week



  • (joduinn) some linux32 unittests on AWS since thursday.
  • (joduinn) interesting numbers from yesterday's MoFo call
    • 177 compute hours per checkin
    • 3,197 machines (with some AWS variablity?)
    • a checkin every 4 mins
    • used to handle 15 checkins per day;
    • now handling 315 checkins per day (increase by factor of x21)
  • Can we get a guest link for vidyo (satdav)
  • also can we move the agendas to etherpad and just keep them here as a archive like after the meetings we post them to here (satdav)
  • Mobile team would like to back out the UA String change from bug 829596. I'll back out after this meeting if there are no objections. (blassey)
  • ASAN builds on Try? (jet)


Firefox OS

  • Developers - get all your B2G development answers here: It answers:
    • What important dates/deadlines should I know about?
    • What's the highest priority bug I should be working on, and how do I find those bugs?
    • If I find a critical issue, how can I make sure it gets fixed for X?
    • Where and how should I perform v1.x landings?

Firefox Desktop

Firefox work week
  • Asa wrote a blog post about what we accomplished. Keep an eye out for more detailed posts this week.
Mixed content UI

Firefox Mobile

Blog Shout Out
Memory, Responsiveness Usability

Lots of good memory cleanups and responsiveness happenings landed in trunk

  • bug 837816 - GeckoAppShell.loadMozGlue gets called three times on startup
  • bug 834414 - A lot of stuff is leaked when "Don't keep activities" is checked
  • bug 835356 - Awesomescreen slow to appear

Great progress on

  • bug 716403 - Request to hide the navigation bar when scrolling down content
Stability Wins
  • Bitmap recycle causing crashes has been removed bug 821224 - java.lang.IllegalArgumentException: Cannot draw recycled bitmaps at android.view.GLES20Canvas.drawBitmap(
  • bug 807606 - Installing a Root Certificate crashes Firefox
Other Cool Stuff

Stability Report [Weekly]

  • Firefox 18.0.2 fixes a high-volume random (i.e. not really reproducible) IonMonkey crash mostly seen on Facebook (bug 806820, fix in bug 831626).
  • Bugs that need attention:
    • bug 836951 (nsSecureBrowserUIImpl::MapInternalToExternalState) - recent trunk regression, currently unowned
    • bug 837370 (js::types::TypeCompartment::addPendingRecompile) - recent trunk regression, speculatively assigned to dvander
    • bug 837288 (nsIFrame::SetNextSibling) - recently regressing on Aurora confirmed that it's caused by bug 830192, still unowned, though
    • bug 787158 (nsHttpConnection::OnSocketWritable) - recently regressed on Firefox Aurora, is a topcrash for Thunderbird as well, assigned to mayhemer but no progress
    • bug 836356 (Text unreadable in Android Crash Reporter) - needs an assignee


Fennec Graph
CrashStats 2013-02-05.png


  • bug 838218 - We need symbols for the Geeksphone developer devices
Tracking Bugs
  • bug 833574 - (b2g-frontend-crash-reporting) [Meta] Other Crash Reporting Bugs
  • bug 761905 - (b2g-crash-reporting) Tracking: Crash reporting for b2g (gonk)
Top crashes
  • bug 574727 : nsAppShell::ProcessNextNativeEvent
  • bug 834372 mozalloc_abort | NS_DebugBreak_P | mozilla::layers::BasicShadowableThebesLayer::CreateBuffer

Snappy [Bi-Weekly]

Metro [1st Tuesday of each month]

  • Iteration #1 - Completed:
    • Total value of iteration story points committed to: 102
    • Total value of iteration story points completed: 30
    • Total number of iteration stories committed to: 13
    • Total number of iteration stories completed: 5
    • Number of new Change Stories: TBD.
    • Number of new Defect Stories: TBD.
    • Team efficiency rate for story point value completion: 29%
    • Team efficiency rate for number of stories completed: 38%
    • Iteration build is currently under QA and Product Owner review.
    • Any Defect and Change Stories will be presented to the team on Wednesday February 6.
  • Iteration #2:
    • Review and Planning session scheduled for Wednesday February 6.
    • Iteration #2 is scheduled to run from Thursday February 7 - Wednesday February 20.
  • Metro Wiki Updating:
    • All Iteration #1 statistics and Iteration #2 planning details will be available on the Metro Wiki on Wednesday February 6 (EOD).

Games [1st Tuesday of Month]

  • WebAudio bug 779297
    • Audio Playback landed today bug 804387.
    • Planning for v1 requirements underway, feedback requested on the node list to be included which is found here Release Node List Etherpad.
    • Email feedback to
    • WC3 is working on a draft of what should be included in version 1 and we currently intend to use that as the minimum feature set.
    • Current target is to land v1 end of first quarter.
  • FirefoxOS WebGL Optimizations
    • Team is currently in Taiwan focused on optimizing WebGL so that it will run games well on experimental builds at MWC.
    • Early results are promising but nothing definitive yet.
  • ASM.js
    • BananaBread has been successfully ported using ASM.js.
    • Current speed ups are about x4 faster than the JS equivalent.
    • Although there are plenty of optimizations still left to do, we are moving to land the code.
    • The current estimation is about a month of work left prior to seeing it land supporting mobile and desktop.
  • BananaBread Multiplayer
    • WebRTC has been successfully used to create peer to peer multiplayer in BananaBread.
    • Currently allows 2 player, working on 6 player.

Mobile Web Compat [2nd Tuesday of Month]

Critsmash [3rd Tuesday of Month]

Memshrink [4th Tuesday of Month]

Engineering Metrics