948485 - FX OS crash in mozilla::dom::PContentParent::SendNuwaFork()

Status: RESOLVED FIXED

(Core :: IPC, defect)

Description

[Marcia Knous [:marcia]]

This bug was filed from the Socorro interface and is 
report bp-b43fee1d-b48a-492e-b235-d855c2131210.
=============================================================

Seen while running on Buri, using:

Gaia   c952e2756c03eceb4de6a3eba15651741a62f9e8
SourceStamp df82be9d89a5
BuildID 20131210040206
Version 29.0a1

No firm STR, except when the crash occurred I was operating in the Contacts app. This crash takes down the whole phone.

Comment 1

[Natalya Kot [:nkot]]

we have experienced the same crash multiple(4) times during today's M-C smoketest, no exact STR are found, crashes happened while testing Contacts, Messages and Camera apps

bug 948471 was written up earlier for that crash, can be duped to this one though sinse it's already  nominated

Comment 3

[Jason Smith [:jsmith]]

Nuwa is targeting 1.3, so moving to 1.3?

Comment 4

[Cervantes Yu [:cyu] [:cervantes]]

Attachment: Handle b2g process crash when the Nuwa process exits.

Comment 5

[Cervantes Yu [:cyu] [:cervantes]]

For more information, I think this is a regression in moving some Nuwa-related code into the PreallocatedProcessManager. This can be reproduced by killing the Nuwa process. Maybe the Nuwa process is killed by the lowmem killer under very low memory condition.

The error code path is that PreallocatedProcessManagerImpl::ObserveProcessShutdown() set mPreallocatedAppProcess, instead of PreallocatedProcessManagerImpl::MaybeForgetSpare(), which handles the termination of the Nuwa process.

Comment 6

[Cervantes Yu [:cyu] [:cervantes]]

Try submission: https://tbpl.mozilla.org/?tree=Try&rev=0c5035ad66bb

Comment 7

[Patrick Wang (Chih-Kai Wang) (:kk1fff)]

https://hg.mozilla.org/integration/b2g-inbound/rev/e4ba261ab3d0

Comment 8

[Brogan Zumwalt [Inactive]]

This issue reproduced in today's Buri 1.3 build while opening Browser app.

Environmental Variables
Device: Buri v 1.3 Mozilla RIL
Build ID: 20131211004003
Gecko: http://hg.mozilla.org/releases/mozilla-aurora/rev/6bb84d0bc170
Gaia: 7a2ccae2a546ac4d981d250272dafa630c926422
Platform Version: 28.0a2
Firmware Version: V1.2_US_20131115

Crash: https://crash-stats.mozilla.com/report/index/4423a201-330a-43a0-ab34-ca3bc2131211

Comment 9

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/mozilla-central/rev/e4ba261ab3d0

Comment 10

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/releases/mozilla-aurora/rev/77879e81768c

Comment 11

[Naoki Hirata :nhirata (please use needinfo instead of cc)]

Ran into this crash today.  Will have to try verifying tomorrow as the patch landed today.