Firefox/Channels/Meetings/2017-10-03

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Channel Meeting Details

• Tuesdays and Thursdays at 10am Pacific Time
• irc.mozilla.org #planning for backchannel
• Past meeting notes: https://wiki.mozilla.org/Firefox/Channels/Meetings

Video/Teleconference Details - NEW

• 650-903-0800 or 650-215-1282 x92 Conf# 9951 (US/INTL)
• 1-800-707-2533 (pin 2) Conf# 9951 (US)
• Vidyo Room: ReleaseCoordination
• Vidyo Guest URL

REMEMBER

These notes are read by people who weren't able to attend the meeting. Please make sure to include links and context so they can be understood.

Attendees

nicole, julien, Ritu, Tom, elan, RyanVM, milan, philipp, dveditz, callek

Schedule Update

Current releases dashboard: https://mozilla.github.io/delivery-dashboard

• 56.0 mobile shipped last Thurs at 10%, and is now at 99% update rate on the Play Store
• 56.0 desktop: shipped last Thurs for 24 hours
  • crash rate good
  • delay yesterday over major functional issue with MEGA.nz addon affecting ~1% of users.
  • Not ready to re-enable updates at 100% just yet
  • New news. We have a bug in kinto that means our new blocklist updates aren't working https://bugzilla.mozilla.org/show_bug.cgi?id=1405395

• we forgot to ship devedition 57.0b4 on friday (kmoir apologizes for this, I blame my sleep deprived state on Friday)

• 57.0b5 beta and devedition are out
  • devedition was supposed to get a WNP, but it's only shown to those who haven't yet updated to 57.0bX
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1399849
  • Suggest sending email to r-d about WNP not being available to 57.b users and only to users updating from DevEd < 57 to 57b

Shield studies

• FYI: Shield studies in flight. https://gregglind.github.io/x-shield-inflight-dashboard

Stability

Nightly

awsy rate: 2.75 (browser 1.20, content 1.55)

[marcia]

• Nightly has come down after spiking on 9-30
• OMTP was enabled and then disabled, causing an increase in graphics crashes - https://bugzilla.mozilla.org/show_bug.cgi?id=1403935
• #8 browser crash - webrender https://bugzilla.mozilla.org/show_bug.cgi?id=1404558.
• #9 browser crash https://bugzilla.mozilla.org/show_bug.cgi?id=1400637 - still investigating
• #10 browser crash https://bugzilla.mozilla.org/show_bug.cgi?id=1385542 - David Major thinks they are from a single install - Socorro shows 9 installs but maybe not in the facet he references
• Nightly crash triage: https://wiki.mozilla.org/NightlyCrashTriage/2017Q4

Beta

awsy rate 1.14 (browser 0.66, content 0.48)

[philipp] content crash rate higher in 57.0b - would be interesting to know how this corresponds to e10s usage

• Romain/Pdol will reply

57.0b4

• Crash in NewFunctionClone: https://bugzilla.mozilla.org/show_bug.cgi?id=1384544 - 1.8% of browser crashes
  • carryover regression from 55; bug is stale for the past weeks
• https://bugzilla.mozilla.org/show_bug.cgi?id=1373934 - 1.3% of browser crashes
• Crash in nsZipArchive::GetItem: https://bugzilla.mozilla.org/show_bug.cgi?id=1404743 - 0.4% of browser crashes
  • crash at startup regressing in 57; needs investigation

• IPCError-browser | PBrowserParent::RecvPDocAccessibleConstructor Constructing a top-level PDocAccessible with null COM: https://bugzilla.mozilla.org/show_bug.cgi?id=1383501 - 10.2% of content crashes
  • a11y-e10s crash
• MacOS EMPTY: no crashing thread identified; OK: https://bugzilla.mozilla.org/show_bug.cgi?id=1405151 - 1.4% of content crashes (45% of mac content crashes)
  • some user comments link it to google maps

fixes in b5:

• Crashes in Intel's igdusc64.dll module: https://bugzilla.mozilla.org/show_bug.cgi?id=1403353 - 16.5% of browser crashes
• Content crash in nsINode::IsEditableInternal: https://bugzilla.mozilla.org/show_bug.cgi?id=1403841 - 3.9% of content crashes

Release

awsy rate: 0.84 (browser 0.61, content 0.24)

[philipp] 56.0

• Crashes during A/V playback with intel sandybridge gpus: https://bugzilla.mozilla.org/show_bug.cgi?id=1404456 & https://bugzilla.mozilla.org/show_bug.cgi?id=1405110 - 7% of content crashes
• Shutdownhangs in mozilla::dom::workers::RuntimeService::Cleanup: https://bugzilla.mozilla.org/show_bug.cgi?id=1405290 - 5.7% of browser crashes
• AsyncShutdownTimeout | Places Clients shutdown | sanitize.js: Sanitize: https://bugzilla.mozilla.org/show_bug.cgi?id=1404105 - 4.5% of browser crashes
  • regression from last minute fix in https://bugzilla.mozilla.org/show_bug.cgi?id=1047098
• Startup crashes in memmove |... | mozilla::storage::Service::unregisterConnection: https://bugzilla.mozilla.org/show_bug.cgi?id=1388998 - 1.5% of browser crashes
  • mostly happening with roomy bookmarks addon
• Startup crash in mozilla::CacheDataAppendElement: https://bugzilla.mozilla.org/show_bug.cgi?id=1276488 - 1.5% of browser crashes
  • flagged during beta, not actionable

Mobile

awsy rate: release 0.65 - beta 0.92 - nightly 1.71

[marcia]

• Nightly
  • Nightly rate looks good
• #2 top browser crash https://bugzilla.mozilla.org/show_bug.cgi?id=1347984 has some theories, but seems stalled. Should we kick over to someone else to investigate?

• Beta
  • Beta rate also looks good. https://bugzilla.mozilla.org/show_bug.cgi?id=1347984 is top browser crash (12% of fennec crashes)

• Release
  • #10 https://bugzilla.mozilla.org/show_bug.cgi?id=1164027 is rising. Seems stalled - no comments

Roundtable

• Policy for DevEd shipping
  • Except for beta1 sign off which will be gated on a formal QE/relman sign off, releng team should push both the Desktop (vanilla beta) build to beta channel and the corresponding DevEd build to the appropriate update channel at the same time.
  • This should be the process starting from beta2 build until before RC builds.
• About Devedition, we would like to do the same as 57 for 58/59 to gather more data.
  • The adv of this is we can go to 100% beta population sooner
  • We need to confirm Code freeze date for 58/59 as that might have an impact to engg.
  • the milestones doc was very useful, we should do that again to provide clarity to everyone

Special Topics

Post-Mortem (Tues 2wks from GA Release)

• 56 post-mortem - https://public.etherpad-mozilla.org/p/56-0-Post-Mortem
  • Tentatively planned for Tues 10/10 - A week out from today