Platform/2015-02-03

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Engineering Meeting Details

  • 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

Need To Know

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

Notices/Schedule (lmandel)

Next Merge: September 2, 2019 Next Release: September 3, 2019
Trains
Central: 70 Aurora: 54 Beta: 69 Release: 68.0
  • Firefox 36 Beta 6
    • Desktop shipped today
    • Mobile should ship shortly (today as well)
  • Next Beta builds
    • Desktop Beta 7 gtb Thursday
      • Reviewing MSE status for 36 before gtb
    • Mobile Beta 8 gtb Monday
  • Beta 36 stability is not in good shape - stability rate 2.8 and should be in the range 1.0-1.2
    • Looks like primarily gfx bugs, may be related to MSE
  • Aurora 37 stability is still not in good shape - stability index is 4.9 and should be < 2.0
    • bug 1120331 (IPC, GFX-related) - 25-30% of crashes
    • bug 1123544 (gfx::GetCairoSurfaceForSourceSurface) 3.2% of crashes
  • Update for OpenH264 1.3 is currently being tested on Beta, should move to release soon

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)

CritSmash (dbolter)

MemShrink (njn)

<Read Only> No update.

Stability (kairo)

  • Overall crash rates still look bad everywhere else than desktop release.
    • Esp. on Beta 36, but also Aurora 37, GFX and media/MSE crashes seem to be the highest issues, often coupled with low memory, also recently introduced shutdownhang crashes are quite high.
    • Flash crashes and hangs are sharply down, probably due to sandbox changes along with some effect from MSE.
    • Refer to today's channel meeting notes (once they are up on the wiki) for specific bug numbers.

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.)

A*Team (jgriffin)

Accessibility (dbolter)

B2G Services (dougt)

Cloud Services (mmayo)

Desktop Platform (bsmedberg)

Developer Services (gps/lthomson)

Developer Tools (prouget)

DOM (jst/overholt)

Electrolysis (e10s) (blassey)

<Read Only>


Firefox Desktop (gavin)

Firefox Mobile (snorp/blassey/mfinkle)

GFX (milan)

  • Issues in Beta 36. WebGL, OOM, driver resets, unsupported combinations.

JS (naveed)

<Read Only>


  • Other
    • Asm.js/ARM64 now at 104 passing tests, 10 failing tests

Layout (jet/dbaron)

<Read Only>

  • ImageLib regressions in FF 36 causing churn (eg. bug 1128188)
    • Landing bug 1128225 should help get us more reliable tests to avoid this in the future.
  • IntegerRange template API coming soon (bug 1126552 and others)
  • RTL regressions getting fixed on trunk (bug 1121748.) Already backed out of B2G2.2 and Aurora.
  • W3C CSS & SVG working groups meet next week in Sydney. Contact jet, dbaron, or heycam with spec issues to resolve.
  • WebKit-compatibility Fennec builds will be available for testing this week (dholbert.)

Media (mreavy)

<Read Only>

1. What has your team done since last week that might impact others?

  • Landed WebRTC multistream & MSID support (a big change)
  • Landed webrtc_40 update (same codebase from upstream used by Chrome 40)
  • Landed PeerConnection test refactor/cleanup (reduce oranges!)
  • gcp has working video (getUserMidia) sandboxing code (patch on a bug)
  • OpenH264 plugin 1.3 being tested on Beta, Aurora, Nightly (but not on local dev builds)

2. What will your team do this week that might impact others?

  • Looking to land renegotiation RSN (going up for review ASAP)
  • OpenH264 1.3 should go to release (independent update channel from Firefox)

3. Is anything slowing your team down or getting in their way?

  • Lack of time-dilation to put more hours in a day

Necko (dougt/jduell)

Performance (vladan)

Seceng (dougt)

Shumway (tschneidereit)

  • Planning to enable Shumway whitelisted for IMDb and a couple other video sites.


Roundtable

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

Links

Friends of the Tree

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