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Platform Meeting Details

  • Tuesday 2012-05-15 - 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 / SFO-Boardroom
  • join #planning for back channel


  • Product team working on solidifying requirements for "base camp".
  • Still working toward larger Kilimanjaro goal.
  • Triage today at 11:30am. Conflicts with the daily mobile triage. Trying to find another time that would enable mobile folks to attend.

Notices / Schedule

  • Fennec Native 14 beta 1 is now live on Google Play!
    • Bugs filed by following the link on the product page will have [Play] in the whiteboard
    • With Fennec Native on Google Play, we'll be including betaN+ blocking bugs during channel meetings, but we'll continue triaging nominations and release blockers as part of mobile triage
    • Fennec Native betas will have a weekly cadence after this week as with desktop, going to build no later than Wednesday for a Friday push
    • We expect our next beta of Fennec Native to be multi-locale with the same 13 localizations as XUL Fennec previously
  • We're now here in the schedule
  • FF13 beta 4 will go-to-build today (5/15). Please land any approved beta patches ASAP, and continue working on tracked bugs
    • We should be looking for the lowest risk mitigating fix for remaining tracked bugs

Firefox Development

  • The work by a group of MSU students to get Firefox preferences "in-content" has mostly landed on trunk. Check out Jared's blog post for more info. There's some followup polish/theming work still remaining before we make the switch and remove the old preferences dialog.
  • FX-Team work week wrap up - read it, there's good stuff in there!

Firefox Developer Tools

  • Developer Toolbar relanded. Preffed off, turn on devtools.toolbar.enabled to try it out.
  • Async web console starting to land, 2 of 5 patches landed.
  • Responsive Design Mode should be landing this week.

Add-on SDK


  • Perf+metrics work week this week in MV/SF
  • This week's Snappy summary
  • Lawrence posted on hacks about Firefox 13 Snappy work.
  • Tim landed a fix to avoid setTimeout()s when handling tab clicks in bug 743877, which should significantly improve tab strip responsiveness.
  • Incremental GC making progress towards being turned on by default again (bug 750959, bug 752098).
  • Wladimir Palant (Adblock Plus fame) wrote a new Suspend background tabs add-on to halt activity in background tabs. This experimental add-on should give a sense of how we can improve lag due to background tabs.


  • Azure-Thebes will (hopefully) be turned on by default this week.
    • This applies only to hardware accelerated computers on Windows Vista and 7.
    • The net of this is that we're going to be drawing fundamentally differently, and we can expect regressions in performance and drawing.
    • It has a very simple pref for backing out, luckily.






  • Lots of work happening on security model, but still a lot of work remaining.
  • We will probably adjust the open-web-apps API to allow multiple apps per origin since the security model will support that. Might not implement the actual support in the initial release though.
  • The Open Web Apps API has been submitted to W3C and we've started receiving input.
  • Initial APIs for "system intents", camera control and Alarm API being discussed on webapi mailing list.
  • Started implementing backend for doing apps-specific permissions.



Firefox front-end team met with Ben Adida & Co. last week for an Identity swarm, made good progress on understanding how things work, and getting some initial code up and going to start flushing out issues (for both sign-into-browser and native sign-into-websites)




  • No audible this week.

Tree Management

  • Switching windows 32-bit PGO builds to run on 64-bit machines this week bug 753132
  • Hoping to have signed OSX builds (for 10.8) on mozilla-central late this week or early next week bug 752613


  • module owners please check your module for unassigned security bugs

For updates to meetings please see the Security Review Calendar

Bugs marked sec-review-needed that need to be scheduled

No results.

0 Total; 0 Open (0%); 0 Resolved (0%); 0 Verified (0%);

Stability Report



Firefox 15

  • Trunk is pretty crashy - top issues over the past 3 days...
  • #1 - bug 654903- js::gc::PushMarkStack. Not a new signature but appearing in #1 spot.
    • This and a couple other JS spikes seem to be related to incremental GC landed for the May 13 build and then backed out again.
  • #2 - bug 752309 - xpc::WrapperFactory::PrepareForWrapping.
  • #3 - bug 736695 - nsGenericElement::UnbindFromTree
  • #5 - bug 732897 - Makeday
  • #6 - bug 671468 - nsSocketOutputStream::Write(char const*, unsigned int, unsigned int*) (Correlation to Спутник @Mail.Ru and Yandex.Bar)
  • On dev-platform, bsmedberg mentiones that today he landed XPCOM string classes being infallible by default and alert him of any aborts seen as fallout from that.

Firefox 14

  • Crashes tracking Fx14
  • A couple of problems with AMD graphics cards bug 714320 and bug 700288 that we haven't been able to fix.
  • bug 736695 - nsGenericElement::UnbindFromTree , when I open Customize Toolbar with Video DownloadHelper 4.9.8 installed. A problem for a while.

Firefox 12 & 13

  • top crashes that we wish we could do something about
  • bug 572011 - Crash @ nsDiskCacheStreamIO::FlushBufferToFile
  • bug 597260 - nsFileOutputStream::Write(char const*, unsigned int, unsigned int*)
  • top Flash hang: bug 726425 - a number of those reports don't even have Flash in the stack, possibly our own code at fault?
  • bug 640904 - Crash in JSAutoEnterCompartment::enter - waiting on AMO review for fixed add-on


  • Beta out today...yay!. Crash rate down on both trunk and aurora < 20 crashes per 100 ADU.

CrashStats 2012-05-14.png

See Mobile Notes for Mobile specific Socorro notes

  • A good number of crashes were fixed last week; 3 day report will have some of the drop offs from the fixes and show better numbers of what crashes still remain. If you run into a crash:
  1. please please please comment in the bug with STRs, or even approximate STRs.
  2. please remember to checkmark the URL box at the very least if you can submit the crash report
  • some of the fixes got pushed to aurora last week, which should in turn make aurora with similar stability to nightly.
  • Aurora top crashes
    • bug 740727 - crash in mozilla::layers::LayerManagerOGL::SetLayerProgramProjectionMatrix @ libpvrANDROID_WSEGL
    • bug 743938 - crash in glClear @ WSEGL_GetDrawableParameters
    • bug 731288 - crash @
  • Nightly top crashes
    • bug 737128 - mozilla::gl::GLContextEGL::ReleaseSurface GL crash on Droid X
      • If you know STRs with a Droid X please comment in the bug
    • bug 751967 - crash on new tab/google maps galaxy nexus, ICS, 5.03 build
      • If you know STRs please comment in the bug
    • bug 736421 - crash in mozilla::layers::Layer::CalculateScissorRect @ CgDrv_Create on MB860 and LG-P99.
    • bug 747746 - java.util.concurrent.RejectedExecutionException: at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(


  • myk: Apps considering providing updates in this meeting about ongoing development; feedback welcome on whether or not folks think they'd be useful.