Firefox/Channels/Meetings/2018-07-10

Channel Meeting Details

• Tuesdays 10am and Thursdays at 8am Pacific Time
• irc.mozilla.org #planning for backchannel

Video/Teleconference Details - NEW

• 650-903-0800 or 650-215-1282 x92 Conf# 99951 (US/INTL)
• 1-800-707-2533 (pin 369) Conf# 99951 (US)
• Vidyo Room: Release Coordination
• 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

lizzard, RyanVM, marcia, jcristau, tomprince, philipp, pascal,tania, Tom, overholt, Sebastian, dveditz

Schedule Update

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

• 61.0.1 desktop released, up to 50% rollout
  • Will probably go up to 100% today

• Fennec 61.0 at 99% rollout, thinking of going to 100% today also

• 62.0b7 released today (mobile, desktop, dev ed) Will likely bump 62 fennec to 100% today or tomorrow
  • beta 8 build Thurs, release Fri

Off-train releases

Current Shield studies: https://strategy-and-insights.mozilla.com/shield-studies/index.html

* Normandy: TLS 1.3 rollout on 61 release, should be increasing % over this week (check with mythmon or rhelmer)
** Be on the lookout for reports of TLS issues

Stability

Nightly

firefox nightly summary score: 3.60

• Nightly rate looks good for the most part
• #3 top crash https://bugzilla.mozilla.org/show_bug.cgi?id=1473507 looks to be fixed
• 6 new bugs filed in the latest Nightly crash triage - https://wiki.mozilla.org/NightlyCrashTriage/2018Q3

Beta

firefox beta summary score: 3.65

[philipp] 62.0b6

• AsyncShutdownTimeout | profile-change-teardown | Extension shutdown: https://bugzilla.mozilla.org/show_bug.cgi?id=1464938 - 10% of browser crashes
• Mac crash in mozAccessible parent: https://bugzilla.mozilla.org/show_bug.cgi?id=1471504 - 20% of osx browser crashes
• Content crash in nsTArray_Impl<T>::ClearAndRetainStorage | mozilla::dom::MessagePort::CloseInternal: https://bugzilla.mozilla.org/show_bug.cgi?id=1470306 - 1% of content crashes

Release

firefox release summary score: 3.06

[philipp] 61.0.1

• OSX 10.9 content crashes: https://bugzilla.mozilla.org/show_bug.cgi?id=1471892 - 27% of osx content crashes
  • disabling omtp altogether seems to be the workaround for this - the current normandy pref flip rollout in https://bugzilla.mozilla.org/show_bug.cgi?id=1472308 isn't enough to mitigate the crashes
• OOM | unknown | js::AutoEnterOOMUnsafeRegion::crash | js::gc::StoreBuffer::WholeCellBuffer::allocateCellSet: https://bugzilla.mozilla.org/show_bug.cgi?id=1473892 - 2.7% of content crashes
  • signature newly showing up in 61; needs investigation
• shutdownhang in mozilla::dom::quota::QuotaManager::ShutdownObserver::Observe: https://bugzilla.mozilla.org/show_bug.cgi?id=1411908 - 3.5% of browser crashes
  • received a patch in 61 but it's still a frequent crasher; unanswered ni in the bug
• Filed https://bugzilla.mozilla.org/show_bug.cgi?id=1474624 since it is the #13 top crash on release

Mobile

• Crash rate is calculated based on usage hours (the time Firefox is actively used).
• Usage hours will be significantly lower on Fennec than on desktop Firefox, so we can't compare mobile rates to desktop rates.

• Release

fennec release summary score: 29.36

• jchen assigned to investigate top crash https://bugzilla.mozilla.org/show_bug.cgi?id=1468541. No comments in several days
• https://bugzilla.mozilla.org/show_bug.cgi?id=1470925 still very high volume as well

• Beta

fennec beta summary score: 36.22

• https://bugzilla.mozilla.org/show_bug.cgi?id=1451891 is the top volume browser crash
• Filed https://bugzilla.mozilla.org/show_bug.cgi?id=1474633. Looks to have something to do with First Run, but not sure.

• Nightly

fennec nightly summary score: 38.20

• https://bugzilla.mozilla.org/show_bug.cgi?id=1451891 continues to the overall top crasher and is also the top browser crash in the latest beta.

It appears from a recent comment that Sorina may be able to reproduce it.

SUMO Report / User Advocacy

• handful of user reports that video streaming is stopping when tab is getting out of focus: https://bugzilla.mozilla.org/show_bug.cgi?id=1462906
  • we may respond to this with normandy pref flip (ryan/mayhemer)

Special Topics

Post-Mortem (Tues 2wks from GA Release)

• Scheduled for July 17th after the channel meeting in Release coordination channel
  • Add your notes to https://public.etherpad-mozilla.org/p/61-0-Post-Mortem