Meeting Notes Meetings notes from the Mozilla community


Mozilla Platform Meeting Minutes: 2012-02-07

Filed under: Posts — Tags: — Jesper Kristensen @ 12:00 am


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Platform Meeting Details

  • Tuesdays – 11:00 am Pacific
  • Dial-in: conference# 95312
    • US/International: +1 650 903 0800 x92 Conf# 95312
    • US toll free: +1 800 707 2533 (pin 369) Conf# 95312
    • Canada: +1 416 848 3114 x92 Conf# 95312
  • Warp Core Vidyo Room
  • join #planning for back channel


Notices / Schedule

Firefox Development

  • As mentioned last week, New Tab is now on by default. Tim Taubert is on a tear fixing followup issues, improving performance of the thumbnail service, and making styling tweaks.
  • Inline autocomplete has been disabled on trunk while we fix some additional issues that popped up (bug 720792). Marco is on the case, and we’ll get that re-enabled shortly.
  • Chemspill candidates for FF10 are being discussed at today’s channel meeting (2PM PT in Warp Core)

Firefox Developer Tools

  • Initial Debugger Has Landed
    • Preffed off: to enable, set devtools.debugger.enable to true.





  • Edwin Flores (intern) making good progress on “embedded SVG glyphs in OpenType fonts” (aka “SVG Fonts Done Right”) bug 719286. We should have something shippable-but-preffed-off-by-default soon.
  • Other notable patches:
    • bug 721068 Graphite font shaping update from SIL
    • bug 722322 Have the “1” and “2” keys switch between images in reftest-analyzer.xhtml
    • bug 722071 Implement array style indexing for SVGStringList
    • bug 714839 nsCSSFrameConstructor now inherits nsFrameManager


  • libcubeb landed for Windows, but was disabled due to some random test failures
    • Matthew working on reenabling that, plus tracking down failures in Mac and ALSA backends
  • WebRTC:
    • alder repo now builds on Win32 (thanks Ted!).
    • Win32, Linux and Mac can capture images from video with fabrice’s bug 629955 patches
    • Chrome is now shipping Canary Chromium builds with a very early version of WebRTC enable-able. A number of 3rd-parties have built early demos based on it; several were shown at IETF Interim last week.
    • Data channel API/protocols firming up; will evangelize at HTML5 Gaming work week in Toronto (great for games!) and look to implement ASAP



  • Started work on WebNFC
  • Mounir is editor for Network Information API and Screen Orientation APIs at W3C






Tree Management


  • No security reviews this week due to security work week in Santa Cruz.
  • Please work with Curtis to schedule reviews and
  • Update feature pages so we have accurate information

Stability Report



Firefox 10 Top Issues

  • Noticed increase in cycle collector crashes – GCGraphBuilder::NoteXPCOMChild(nsISupports*) – #2 crash
    • bug 724129 – startup crash nsXBLDocumentInfo::cycleCollection::Traverse
    • bug 724284 – Security bug we believe is causing the above regression.
    • bug 718284 – Bug in FF11 that is also causing an increase of these crashes.
  • Startup crash @ PR_EnumerateAddrInfo | nsDNSRecord::GetNextAddr – #3 crash
    • bug 718389 – Spike we saw in FF10b4
    • No clear next steps for investigation. Correlation reports have been inconclusive.
  • bug 725009 – crash je_free | mozutils.dll. May be related to Flash.

Firefox 11 Top Issues

  • Increase in hangs – bug 722394
    • bug 709209 – This is complicating our investigation.
    • Marcia logging some plugin side reports that might help uncover the issue – bug 724617
    • Top concern, not making much headway – need some developer help with the analysis.
  • bug 715401 – new on 11a2 but rising in b1 – trying to isolate the regression range.
  • bug 718284 – Separate issue causing increase in cycle collector issues.

Firefox 12 Top Issues

  • Nothing new and notable on Aurora yet.

Trunk Top Issues


  • Socorro fixes to separate out Java signatures – fix went out last week.
    • bug 719943– new field in json metadata needs exposure in the UI
  • Crash volume going down after a bunch of fixes landed last week.

Trunk Top Issues

  • Still lots of new stuff landing. Focus on logging all the new Java signatures…
  • top crash fixed – bug 723550 – Lots of base64 decode errors in logcat
  • bug 724215 – java.lang.NullPointerException: at org.mozilla.gecko.GeckoEvent.addMotionPoint(
  • bug 723495 – java.lang.IllegalArgumentException: View not attached to window manager at android.view.WindowManagerImpl.findViewLocked( – (affects 13, 12, 11)

Aurora Top Issues

  • bug 711852 – Crash in neon_composite_over_8888_8888 or neon_composite_over_n_8_0565 or fast_composite_over_8888_0565 or arm_neon_fill @ – (affects 12, 11)


  • Not enough data yet – top issue is just 4 crashes
  • bug 719741 – Crash @ __libc_android_abort | dlfree | free | fclose


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