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Engineering Meeting Details

  • Tuesday 2014-07-08 - 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: July 8, 2024 Next Release: July 9, 2024
Central: 129 Aurora: 54 Beta: 128 Release: 127

<Read Only>

  • 31b8 build 1 built on both Desktop & Mobile. Waiting for QA sign off to go live
  • GGC won't ship with 31 but in 32. Causing too many issues in term of stability (OOM) Bug 994589 for more info
  • Other top crash: bug 988549 (GFX blocklist)

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)

  • Past week's OrangeFactor: 7.65 (Previous Week: 9.18).
  • Numbers improving after another recent batch of test disablings and a number of fixes landing.
  • #1: bug 1007230 - Timeouts during pip install.
  • New serviceworker tests are flaky on Android/B2G. Seems too risky to backout at this point, so action needed on the various bugs on file.
  • 34 intermittent failures fixed in the last week - List - Thanks!.

CritSmash (dbolter)

MemShrink (njn)

  • No update.

Stability (kairo/bsmedberg)

  • Overall numbers still don't look entirely good:
    • Aurora is just still seeing some people on the bad builds from last weekend, crash data for newer builds is fine
    • Beta 31 has ~30% worse data than 30, due to 3 areas:
      • Experiments shutdown crashes (bug 1012924, no effect on release which doesn't run experiments).
      • GGC OOM crashes, mostly bug 999158. Sadly, we'll need to disable GGC on 31.
      • GFX crashes, see bug 988549, due to blocklist for D2D (at least) not working correctly. GFX team is looking into it.

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)

B2G Services (dougt)

Cloud Services (mmayo)

Developer Tools (robcee)

DOM (jst/overholt)

Electrolysis (e10s) (blassey)

  • bug 989875 - HTTPS "Untrusted Connection" page's "Add Exception" button does nothing
  • bug 1030414 - Pop-up windows don't work from non-e10s windows when e10s is enabled

Firefox Desktop (gavin)

Firefox Mobile (mfinkle/blassey)

<Read Only>

Work In Progress

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


Nightly (129)
  • App icon in the launcher is fuzzy (Bug 959379)
  • Dynamic panel list view drawn only after scrolling (Bug 1010986)
  • Three-dot menu and + button are redundant in tabs tray (Bug 1023270)
  • Cleanup the "combined" bookmarks and history view (Bug 1024289)
  • Do not use onFinishInflate in RemoteTabs*Panel (Bug 1024778 )
  • Last added pin to Top Sites Grid has the name grayed out (Bug 1025812)
  • Flickering of views during transition on opening a New Private Tab when tab drawer open and on tab drawer open/close animation (Bug 1028710)
  • Disable recent tabs panel in migration if all panels are disabled (Bug 1029046)
  • Regression: Menu breaks on Firefox 29+ on tablets with hardware menu (Bug 1030113)
  • crash in java.lang.IllegalStateException: Default panel in HomeConfig state is undefined at org.mozilla.gecko.home.HomeConfig$Editor.initFromState( (Bug 1030141)
  • Closed private tabs appears in recent tabs panel (Bug 1030757)
  • Bookmarks panel is empty in guest mode (Bug 1030770)
  • crash in java.lang.NullPointerException: at org.mozilla.gecko.home.TabMenuStripLayout.onPageSelected( (Bug 1031363)
  • Fix JNI pointers to use longs (Bug 1032460)

Firefox OS Communications (scravag)

Firefox OS Devices/Porting (ericchou)

<Read Only>

  • Device porting (Gonk team)
    • Porting Summary
      • Flame
      • Tarako: Solving PTR3 blockers. 7/17 MP has been scheduled.
      • Dolphin: SPRD PTR2
      • Tako : a series of training will happen in Mozilla Taiwan office this week.
      • Woodduck : sync code from github
  • Bluetooth (members: Shawn Huang, Ben Tian, Jamin Liu, Jocelyn Liu)
    • bug 1032088 - Bluetooth stack configuration files would be missing if users full flash PVT images. (2.0+)
      • File sharing via Bluetooth did not work because of this issue. Resolved by Shawn.
    • Team still worked on WebBluetooth API, kept finishing implementation and adding corresponding test cases.
    • Thanks to Thomas Zimmermann, who provided a bunch of patches to move Bluetooth backend (Bluedroid) out of process. Ben and Shawn are taking care of the review.
  • Media Playback (members: Bruce Sun, Blake Wu, Star Cheng)
    • bug 941302 - PlatformDecoderModule for FirefoxOS/B2G (2.1 feat+)
      • Both video and audio are working now. Blake is preparing patches for review. Hope we can start reviewing by the end of this week.
    • bug 904177 - Integrate MediaCodec into gecko for media playback (2.1 feat+)
      • Patches mostly got r+. Bruce will refine these patches and try to get it fixed this week.
  • Device Storage & Stability (members: Alphan Chen)
    • bug 1029403 - Followup to Mount/Unmount API (2.1 feature+)
    • bug 1029533 - MTP boilerplate
      • Eric provided a simple patch to bring up MTP. Later Dave Hylands provided another patch which integrates MTP with the device storage system of Firefox OS. We will discuss how Dave and Alphan can co-work on Wednesday's meeting.

Firefox OS Media Apps (hema)

Firefox OS Media Recording (cjku)

Firefox OS Performance (mlee)

Firefox OS Productivity (doliver)

Firefox OS Telephony/WIFI/NFC (kenhkchang)

<Read Only>

  • bug 1034522 - B2G Emulator: Add console command - sim status .
  • bug 1027478 - Modify telephony API from dialEmergency(number, serviceId) to dialEmergency(number)
  • bug 1023695 - [B2G][SMS] Introduce sms-deleted event to provide the awareness of change in MobileMessageDB for multiple apps interested in SMS.
  • bug 813893 - B2G RIL: support UMTS CBS Message
  • bug 1012549 - Support import PKCS#12 in wifi
  • bug 979888 - B2G NFC: support UICC-based card-emulation as per Mifare.
  • bug 997576 - [NFC] Testcase for reading empty NFC tag.
  • bug 979891 - B2G NFC: NFC Daemon shall support HCI Event EVT-TRANSACTION handling.
  • bug 1030002 - [B2G][RIL] Use webidl attribute, CheckPermissions, for checking mobileconnection/mobilenetwork permission.
  • bug 1022490 - [dolphin][flame][perf] improve the performance of exporting Contacts to USIM card.
  • bug 843452 - B2G RIL: use ipdl as IPC in MozMobileConnection.
  • bug 1003711 - [RTSP] Build Darwin Streaming Server on B2G emulator
  • bug 1032111 - [RTSP] Basic RTSP test case on ICS emulator
  • bug 1035074 - [system-message-api] SystemMessageManager makes JS Error: "this._dispatchers is null"
  • bug 1017472 - Captive portal notification will not be dismissed after user manually log in
  • bug 1010035 - [B2G] add marionette tests for Cdma 3-way calling
  • bug 935843 - B2G RIL: Parse EF_IMG from SIM
  • bug 824145 - B2G STK: Support for STK icon display
  • bug 1029721 - CDMA call waiting call is not logged in call history
  • bug 1009393 - [B2G][Emulator] support RIL_REQUEST_CDMA_FLASH
  • bug 1013153 - [OPEN C_1.3] APN and mvno type/data
  • bug 1032858 - Add support for RIL_REQUEST_GET_CELL_INFO_LIST to expose neighboring cell data
  • bug 1030810 - flame v2.0 often fails to enable cell data when leaving wifi with dual-sim

Firefox OS Systems - Front End (gwagner)

Firefox OS Systems - Platform (timdream)

GFX (milan)

  • Will create a tracking bug for leaving Windows OMTC on Aurora and link some of the bugs currently hanging off bug 899785 to block that. Aiming for 33 at this point.
  • Still chasing those PushClipsDT issues.
  • Chasing increased memory usage with B2G 2.0, new homescreen, etc. Current issues include larger screen, 1.5x multiplier having us hit fractional CSS pixels and slow path (opacity), extra snapshots kept around for the edge gesture interface, additional memory required by tiling and low-res tiling, but not memory leaks as such.

Identity (jedp)

JS (naveed)

Layout (jet/dbaron)

<Read Only>

  • Notable Fixes:
    • bug 1029307 - use fixed subscript/superscript offset ratio instead of font metric values. add subscript/superscript test fonts.
    • bug 1031319 - Don't generate element animations when animation-name is "none"
    • bug 1029969 - Make compositor animation (OMTA) tests ignore floating-point differences
    • bug 1010067 - Rename animation classes so they are easier to understand
    • bug 1031967 - Make mozilla::css::Loader cycle collected and traverse its observer array.
    • bug 1028237 - Account for device offset for thebes layer masks.
    • bug 987497 - Force ** {{buggy drivers to pick up the TexturePass2 uniform change.
    • bug 1026450 - Don't let clipped animated transforms trigger layerization of elements outside the clip.
    • bug 997010 - Support dynamic changes to the image-orientation property.
    • bug 1023618 - Always call FlushRendering in the reftest harness.
    • bug 1029180 - Give nsStyleContext a private destructor & MOZ_FINAL, to make it less likely to be freed by anything other than refcounting.
    • bug 996798 - Add a typedef to make it easier to change the size of nsWrapperCache/nsINode flags.
    • bug 1030829 - preload 'hidden' fonts on FirefoxOS into the user-font cache.
    • bug 1030067 - ignore the principal when caching data-URI fonts, to allow sharing across pages with the same CSS.
    • bug 1029718 - Skip transform calculation if region to transform is empty for layer event regions.
    • bug 1008942 - When a network request for an image finishes during paint suppression and the image doesn't have a frame don't start a decode.
    • bug 1034399 - Use a Moz2D DrawTarget backed gfxContext for SVG bounds calculations.
    • bug 988808 - Convert SVG hit-testing to use Moz2D instead of Thebes backed gfxContext.

Media (mreavy)

<Read Only>

  • Working hard on landing OpenH264 and initial ScreenSharing support for 33
    • bug 948160 - master OpenH264 bug
      • Lots of GMP plugin stuff ready to land to finalize the plugin API and allow sandboxing by proxying Shmem to the Parent.
    • bug 923225 - Metabug for screen sharing support
      • Large patch from some external contributors; gcp working with them to make it reviewable and landable -- Thanks!
  • Landed fix for top orange this morning bug 1031137 -- yeah! Thanks padenot
  • B2G audio performance fixes landed and uplifted to 32. Looking to see if we need more.

Necko (dougt/jduell)

  • Here's our Networking Q3 goals
  • We're also starting some projects that are not Q3 goals (may take longer):
    • OpenVPN interface for necko: wanted by many cellphone network optimizer providers
    • Looking into how we can improve our behavior in captive portals (Hotel/airport/etc wifi)
    • Also hoping to provide better support for detecting online/offline for B2G (and maybe other platforms)

Performance (vladan)

Seceng (keeler)

    • bug 1027133: Broadened twitter's pinset to cover *
    • bug 1024610, bug 1021419 landed for backend of tracking protection, bug 1029887 to enable frontend changes in review
    • bug 643041: nsIX509Cert2, nsIX509Cert3 are now part of nsIX509Cert. Similarly, nsIX509CertDB2 -> nsIX509Cert. There are no functionality changes, but some addons or patches currently being worked on may require some find/replaces. Also, it's no longer necessary to query interface from (for example) an nsIX509Cert to an nsIX509Cert3 to get the additional functionality that was provided by that interface.

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.)

Andy McKay (andym) This the right place to nom bugs? 1035318 and 1035320

<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! 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