Meeting Notes Meetings notes from the Mozilla community

Notices/Schedule

• 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.

(quick reminder that the template for this meeting is found at https://wiki.mozilla.org/Platform/0-0-0)

Roundtable

• (joduinn) some linux32 unittests on AWS since thursday.
  • http://atlee.ca/blog/2013/02/01/now-testing-firefox-in-aws/
  • some unittests still need dev help debugging. See dep bugs linked to bug 834725
  • if you see problems with linux32 unittests, please file bugs!
• (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)
  • It’s linked to from the main page for this meeting
• 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)

Products/Projects

Firefox OS

• Developers – get all your B2G development answers here: https://etherpad.mozilla.org/B2G-Clarifications. 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

• Initial front-end changes landed: bug 822371, bug 822366
• Tracking bug: bug 815321

Firefox Mobile

Blog Shout Out

• Are We Slim Yet now available for Mobile: https://staktrace.com/spout/entry.php?id=788

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(GLES20Canvas.java)
• bug 807606 – Installing a Root Certificate crashes Firefox

Other Cool Stuff

• https://webrtc-apps.etherpad.mozilla.org/4
• Landed in trunk, bug 834681 – Add support for basic distribution modifications

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

Mobile

Fennec Graph

B2G

• 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

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).

• Legacy Work:
  • Three areas of the project are currently be organized to allow a schedule forecast to be created:
    • For Editing
    • For Testing
    • On Hold

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 ehsan@mozilla.com.
  • 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.

Engineering Metrics