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Engineering Meeting Details

  • Tuesday 2014-06-24 - 11:00 am Pacific Standard Time
  • Dial-in: Audio-only conference# 98411
    • People with Mozilla phones or softphones please dial x4000 Conf# 98411
    • US/Toll-free: +1 800 707 2533, (pin 4000) Conf# 98411
    • US/California/Mountain View: +1 650 903 0800, x4000 Conf# 98411
    • US/California/San Francisco: +1 415 762 5700, x4000 Conf# 98411
    • US/Oregon/Portland: +1 971 544 8000, x4000 Conf# 98411
    • CA/British Columbia/Vancouver: +1 778 785 1540, x4000 Conf# 98411
    • CA/Ontario/Toronto: +1 416 848 3114, x4000 Conf# 98411
    • UK/London: +44 (0)207 855 3000, x4000 Conf# 98411
    • FR/Paris: +33 1 84 88 37 37, x4000 Conf# 98411
    • 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
  • Engineering Vidyo Room / Air Mozilla / MTV Warp Core / TOR Finch / SFO Warfield / PDX Hair of the Dog
  • join #planning for back channel

Need To Know

(Release and system issues that may impact engineering this week.)

Notices/Schedule (lsblakk/sylvestre)

Next Merge: March 12, 2018 Next Release: March 13, 2018
Central: 61 Aurora: 54 Beta: 60 Release: 59
  • Desktop beta3 build didn't ship because of a Windows PGO build timeout
  • Desktop beta4 will be live today
  • Mobile beta4 will be live tomorrow

Build Changes (gps)

(Build changes of which engineers should be aware.)

RelEng (catlee)

(Repo, test, and other information for engineers from the release engineering team.)

Upcoming Outages/Upgrades

(System outages/upgrades and tree closures that impact engineering.)

Quality Programs

(An opportunity to hear about status with the various quality programs that do not have a formal team structure.)

OrangeFactor (ryanvm)

<Read Only>

  • Past week's OrangeFactor: 9.67 (Previous Week: 7.36).
  • 25 intermittent failures fixed in the last week - List - Thanks!.
    • Thanks to JW Wang for continuing to plug away at various media oranges, including some very longstanding ones.

CritSmash (dbolter)

MemShrink (njn)

  • Andrew McCreight LSan for Mochitests on TBPL. LSan is a tool that can find leaks in C++ code, and it's already found lots -- see the blocking bugs in the tracking bug. Great stuff! Please help with fixing the existing leaks whose reporting has been suppressed in order to get this landed.

Stability (kairo/bsmedberg)

  • current numbers still do not look good, except Android release.
  • Still looking for older Intel integrated graphics machine to reproduce bug 988549 which continues to be high on 31 beta.
  • OMTC on Windows still too unstable, needs deactivation (sorry).
  • Android beta: bug 827264 (NSS shutdown) - needs nsSocketTransportService dev
  • Android Nightly: bug 1028802 (mozilla::gfx::AlphaBoxBlur::Blur) - needs dev
  • Desktop Nightly: bug 1028902 (js::GetLengthProperty), bug 1028904 (js::StringObject::setStringThis), probably connected, need dev

Team Stand-ups

(In <2 mins, what did your team accomplish last week, on what is your team working on this week, and on what, if anything, is your team blocked? No questions during the stand-ups. All questions should be asked during the roundtable.)

Accessibility (dbolter)

App Tools (prouget)

<Read Only>

B2G Services (dougt)

Cloud Services (mmayo)

Developer Tools (robcee)

DOM (jst/overholt)

Electrolysis (e10s) (blassey)

  • bug 988133 - view-source no longer crashes
  • bug 989501 - Popup windows now open new window, not new tab
  • bug 990729 - Add-on compartments for addon XUL code and components/modules

Firefox Desktop (gavin)

  • Search efforts:
    • We'll be launching an experiment on beta to measure effect of changing default search provider in the next two weeks
    • We're tackling the first part of a broader effort to address search hijacking: bug 1029148
  • Translation trial update: launching trial in German Aurora 32 builds in the near future

Firefox Mobile (mfinkle/blassey)

Work In Progress

You can find more on upcoming feature plans in the[roadmap]


Nightly (61)
  • Add ability to close all tabs (Bug 817716)
  • crash in gfxContext::gfxContext(mozilla::gfx::DrawTarget*) (Bug 952721)
  • crash in java.lang.NullPointerException: at org.mozilla.gecko.toolbar.ToolbarDisplayLayout.updateFromTab( (Bug 964861)
  • List recently closed tabs in the UI (Bug 1004850)
  • Video controls are displayed in the middle of the video (Bug 1005031)
  • Some locale names not displayable in locale picker with default fonts (Bug 1023451)

Firefox OS Communications (scravag)

Firefox OS Devices/Porting (ericchou)

<Read Only>

  • Device porting (Gonk team)
  • Bluetooth (members: Shawn Huang, Ben Tian, Jamin Liu, Jocelyn Liu)
    • bug 1026475 - Device switch from Handset/Headset to BT SCO fails during call (1.4+, landed)
    • bug 1005848 - WebBluetooth API implementation
      • Discussed with Jonas/Ben about the API design since they were visiting Taipei office last week)
  • Media Playback (members: Bruce Sun, Blake Wu, Star Cheng)
    • Issues solving and analysis
      • bug 1017438 - A short period of sound at the end of a song would be cut off too early (1.4+, patch for 1.4 is ready)
      • bug 1000522 - [B2G]Video cannot be played more than 3-5 times in the row, gets stuck and requires app restart (2.0+, POVB now)
      • bug 1017421 - Preview of custom ringtones cannot be stopped. (2.0+, found the root cause)
    • Partner training this Friday(6/27, Bruce Sun)
  • Device Storage & Stability (members: Alphan Chen)
    • bug 855952 - DeviceStorage API: File append (landed)
    • Had a MTP kickoff meeting with Hema's team. Alphan will work with Dave Hylands and David Flanagan to make MTP enabled by FxOS 2.1.
    • Partner training this Friday(6/27, Alphan Chen)

Firefox OS Media Apps (hema)

Firefox OS Media Recording (cjku)

<Read Only>

  • bug 1012936 - WebRTC audio on Flame broken up in calls
  • bug 1016184 - [Touch Caret] Enable touch caret on B2G
  • bug 959118 - [LayerScope] Combine layer dump and layer scope
  • bug 846421 - Support snapshot for nested remote mozbrowser content
  • bug 987529 - Implement Vsync dispatch pipeline
  • bug 814524 - Make WebGLContext::TexImage2D avoid readback for video elements
  • bug 1000722 - Many B2G reftests fail after enabling OOP, because partial drawWindow calls are drawing too small an area

Firefox OS Performance (mlee)

Firefox OS Productivity (doliver)

Firefox OS Telephony/WIFI/NFC (kenhkchang)

<Read Only>

  • bug 1010252 - [Wi-Fi] Problems re-connecting to a known Wi-Fi network.
  • bug 1027478 - Modify telephony API from dialEmergency(number, serviceId) to dialEmergency.
  • bug 1024747 - CDMA MO MMS still not working as phone number is not correctly retrieved from iccInfo.
  • bug 1023141 - ril.ecclist is an empty string after boot-up.
  • bug 1021006 - [RTSP][2.0] Browser pops up a network warning message in the end of video RTSP streaming.
  • bug 1003711 - [RTSP] Build Darwin Streaming Server on B2G emulator.
  • bug 1020212 - Wifi can't access keystore in gecko on Flame.
  • bug 1028044 - WPA-EAP TTLS-MSCHAPv2 Compatibility issue.
  • bug 1022460 - Enable wifi tethering on emulator.
  • bug 1008797 - Test case for bug 993598.
  • bug 1011358 - In the Mountain View QA lab, master on Hamachi/Flame often fails to find the "ateam" SSID.
  • bug 1028037 - NFC testcase failure with error message "Accessing TypedArray data over Xrays is slow
  • bug 1017485 - [Follow up of Bug 984207] Define timing to enable/disable P2p mode
  • bug 933588 - B2G NFC: Rewrite NFC Worker in C++
  • bug 813893 - B2G RIL: support UMTS CBS Message
  • bug 843452 - B2G RIL: use ipdl as IPC in MozMobileConnection
  • bug 1010356 - Network location provider should try to send neighboring cell data
  • bug 1027430 - Add EF_SPN to Navigator.mozMobileConnections and ensure it's accessible from a non-certified app
  • bug 859764 - WebSMS: move to MozMobileMessage WebIDL
  • Provide WebNFC API v2 draft proposal

Firefox OS Systems - Front End (gwagner)

Firefox OS Systems - Platform (timdream)

GFX (milan)

  • OMTC should be off on Aurora; we got a lot of data about some (uncommon to us) hardware that shows issues with OMTC on which we wouldn't have any other way. Thanks for putting up with the slightly sad state of affairs during this time.
  • In the meantime, WebGL with OMTC should be back on par performance - bug 1000640
  • Summer PTOs have started.

Identity (jedp)

JS (naveed)

<Read Only>

  • Compiler (JIT)
    • bug 998392: Latin1 string work now passing jit-tests and jstests in the shell
    • bug 1028867: Add a shell flag to enable Latin1 strings, so that we can start fuzzing and use it for jit-tests on tbpl.
    • Finished native=>bytecode mapping code. Up for review.

Layout (jet/dbaron)

Media (mreavy)

<Read Only>

  • Hoping to move most of the b2g media tests to iX slaves very soon
  • Resolving bitrot so we can land bug 848954 (run MediaStreamGraph off the pulls from the output device)
  • Lots of work ongoing on MSE/etc
  • Identified total evilness in Apple audio hardware (mic sitting on top of left speaker in MBPros, horrid crosstalk on Apple analog headset jacks)
    • We'll have to do the ugly trick used by others on MBPros of sending all audio to the right speaker in this mode
  • Narrowing down a Mac-specific (OS-cause) long-delayed echo (0.5-1+ seconds) when using headsets, especially if you switch audio devices while in-use
  • video quality regressions when the Load Manager cuts resolution (bug 1027100 - almost isolated

Necko (dougt/jduell)

  • HTTP draft 13 is working and interoperating with servers
    • a few more things to fix, then hopefully turn on in nightly next week
    • this may be the final version of HTTP/2! aka "we think we fixed the last spec bug" :)
  • landed bug 677754 - remove redirect prompts in necko
  • landed bug 1020539 - about:networking privacy leak
  • shaking down TLS tunneling through HTTP proxies

Performance (vladan)

Seceng (grobinson)

<Read Only>

  • bug 1027133: enabled pinning in test-mode for all subdomains of (this is broader than Chrome's pinset for twitter)

Shumway (tschneidereit)

WebAPI (overholt)

  • No update this week.


(Comments and questions that arise during the course of the meeting or otherwise do not have a section.)

<Read only beyond this point>

Friends of the Tree

There were great changes by volunteers in Core and Toolkit during the past week. Thanks to all of these contributors for their passion and hard work, and say hi to new contributor zhoubcfan! Here are some highlights:

Mailing List Threads

(Threads that are likely to be of interest to engineering from various mailing lists.)

Good Reads

(Links to blog posts, books, videos, etc. that you think will be of interest to others.)

irc #planning Log From This Meeting

gavin: cpeterson_: I just added a desktop update
cpeterson_: gavin: \o/