Firefox/Channels/Meetings/2018-04-10

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

Attendees

• marcia, ritu, RyanVM, wlach, Tom, aki, Sebastian, philipp, dveditz, lizzard, elan

Previous Actions

Schedule Update

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

• 60.b11 (Fennec, Desktop, DevEd) out today
• 60.b12 gtb Thursday

• No drivers for 59/ESR52.7 dot release so far
  • There are a few ride-alongs
  • Watching a new bug reported with Win10 Spring Creators Update which may affect site compat (1452619)

Add-ons

Shield studies

• FYI: Shield studies in flight. https://trello.com/b/maMI2Fn6/shield-studies

Stability

Nightly

awsy rate: 1.60 (browser: 0.74, content: 0.86) m-c rate (windows): 4.84 (main: 2.08; content: 2.76)

[marcia]

• Rate has recovered nicely after last week's spike
• #2 top Mac crash https://bugzilla.mozilla.org/show_bug.cgi?id=1451467 is now resolved fixed, as is #3 DOM Workers crash https://bugzilla.mozilla.org/show_bug.cgi?id=1450874
• Several more signatures similar to https://bugzilla.mozilla.org/show_bug.cgi?id=1446900 have cropped up. ni on Alex to see if they are all related to that bug
• Latest nightly crash triage https://wiki.mozilla.org/NightlyCrashTriage/2018Q2#2018-04-09_-_marcia

Beta

awsy rate: 0.58 (browser: 0.33, content 0.26) (no mission control rate for now: https://bugzilla.mozilla.org/show_bug.cgi?id=1452745

[philipp] 60.0b10

• A11y crash in I_RpcNegotiateTransferSyntax: https://bugzilla.mozilla.org/show_bug.cgi?id=1424505 - 11.8% of browser crashes
  • Ping Jimm/AKlotz to backout the change that helps fix the a11y crash (similar fix was included in 59.0.*)
• IPC Crashes during shutdown in mozilla::ipc::MessageChannel::Clear | ... | mozilla::dom::PContentParent::~PContentParent: https://bugzilla.mozilla.org/show_bug.cgi?id=1423261 - 2.9% of browser crashes
  • patch just landing on nightly today
• IPC Crashes in mozilla::ipc::MessageChannel::Send | mozilla::dom::PContentParent::SendDataStorageRemove: https://bugzilla.mozilla.org/show_bug.cgi?id=1441131 - 1% of browser crashes
  • seems to affect users who manually enabled trr/dns over https
• https://bugzilla.mozilla.org/show_bug.cgi?id=1443748 - 0.6% of browser crashes
  • sec issue regressing in 60, no progress in the bug
• crash in nsStyleContext::PresContext: https://bugzilla.mozilla.org/show_bug.cgi?id=1430813 - 0.7% of content crashes
  • signature regressing in 59, no progress in the bug

Release

awsy rate: 0.65 (browser: 0.38, content: 0.27) m-c rate (windows): 1.17 (main: 1.16; content: -0.06)

[marcia]

• Rate looks good and has not changed much since what was reported last Thursday

Mobile

awsy rate: release 0.45, beta 0.80, nightly 3.48

• Release
  • #8 top crash https://bugzilla.mozilla.org/show_bug.cgi?id=1374570
  • Investigation continues in unexplained crashes bug https://bugzilla.mozilla.org/show_bug.cgi?id=1450105 as well as https://bugzilla.mozilla.org/show_bug.cgi?id=1450793. So far we haven't been able to reproduce either bug
  • Filed new Samsung device crash https://bugzilla.mozilla.org/show_bug.cgi?id=1453049
  • A lot of crashes (1.2M over the last month + 145% increase) are not handled by breakpad. Only visible on google play.
    • Calixte will meet with Nalexander and others about that

• Beta
  • https://bugzilla.mozilla.org/show_bug.cgi?id=1451741 is top crash in Beta 9. However, if appears the crash stack doesn't offer much information.
    • Could this be yet another example of some kind of corruption?

• Nightly
  • Top crash https://bugzilla.mozilla.org/show_bug.cgi?id=1447607 is now resolved fixed. Turned out https://bugzilla.mozilla.org/show_bug.cgi?id=1451891 was a false alarm.
  • Several new signatures such as cssparser::tokenizer::next_token::h2079e47df88c889d cropped up in the 20180407100153 build but have not been seen since then. This was called out in the nightly triage.

Performance (Thu)

Aurora / Dev Edition

Beta

Release

QE

Nightly

Aurora / Dev Edition

Beta

Action items

Mobile

Performance

RelEng

Marketing/Communications

User Advocacy

Roundtable

• Mission Control updates
  • Rate calculation slightly changed from previous meetings to be a bit more accurate, so won't be able to directly compare rates from

today to previous (https://github.com/mozilla/missioncontrol/pull/257)

• • Found out that beta rates don't incorporate most crashes :( (filed bug 1452745)

Special Topics

Aurora/Beta Feature Review

Post-Mortem (Tues 2wks from GA Release)

Sign Off (Thurs prior to GA Release)

Actions