1174948 - Screen Reader not working with Nuwa

Status: RESOLVED WONTFIX

(Firefox OS Graveyard :: General, defect)

Description

[Gregor Wagner [:gwagner]]

The screen reader doesn't work with a debug gecko and triggers a NUWA related assertion:

Program received signal SIGSEGV, Segmentation fault.
0xb41374d0 in mozilla::ipc::ProcessLink::SendMessage (this=0xad839560, msg=0xad8d2ea0) at /Volumes/mac/moz/ib2g/ipc/glue/MessageLink.cpp:187
187	            MOZ_CRASH();
(gdb) bt
#0  0xb41374d0 in mozilla::ipc::ProcessLink::SendMessage (this=0xad839560, msg=0xad8d2ea0) at /Volumes/mac/moz/ib2g/ipc/glue/MessageLink.cpp:187
#1  0xb413af94 in mozilla::ipc::MessageChannel::Send (this=this@entry=0xae536c38, aMsg=aMsg@entry=0xad8d2ea0) at /Volumes/mac/moz/ib2g/ipc/glue/MessageChannel.cpp:551
#2  0xb42819fc in mozilla::dom::PContentParent::SendActivateA11y (this=this@entry=0xae536c00) at PContentParent.cpp:1499
#3  0xb4dcd5ea in mozilla::dom::ContentParent::Observe (this=0xae536c00, aSubject=0x0, aTopic=0xb5f9ce98 "a11y-init-or-shutdown", aData=<optimized out>)
    at /Volumes/mac/moz/ib2g/dom/ipc/ContentParent.cpp:3118
#4  0xb3f46cb4 in nsObserverList::NotifyObservers (this=<optimized out>, aSubject=aSubject@entry=0x0, aTopic=aTopic@entry=0xb5f9ce98 "a11y-init-or-shutdown", 
    someData=someData@entry=0xb62d8840 <nsAccessibilityService::Init()::kInitIndicator> u"1") at /Volumes/mac/moz/ib2g/xpcom/ds/nsObserverList.cpp:113
#5  0xb3f46d48 in NotifyObservers (aSomeData=0xb62d8840 <nsAccessibilityService::Init()::kInitIndicator> u"1", aTopic=0xb5f9ce98 "a11y-init-or-shutdown", aSubject=0x0, this=0xb6a8b240)
    at /Volumes/mac/moz/ib2g/xpcom/ds/nsObserverService.cpp:330
#6  nsObserverService::NotifyObservers (this=0xb6a8b240, aSubject=0x0, aTopic=0xb5f9ce98 "a11y-init-or-shutdown", aSomeData=0xb62d8840 <nsAccessibilityService::Init()::kInitIndicator> u"1")
    at /Volumes/mac/moz/ib2g/xpcom/ds/nsObserverService.cpp:317
#7  0xb52abd14 in nsAccessibilityService::Init (this=0xa832fe20) at /Volumes/mac/moz/ib2g/accessible/base/nsAccessibilityService.cpp:1251
#8  0xb52abe3e in NS_GetAccessibilityService (aResult=aResult@entry=0xbeb9d51c) at /Volumes/mac/moz/ib2g/accessible/base/nsAccessibilityService.cpp:1757
#9  0xb51a60fa in CreateA11yService (aResult=0xbeb9d568, aIID=..., aOuter=<optimized out>) at /Volumes/mac/moz/ib2g/layout/build/nsLayoutModule.cpp:666
#10 CreateA11yService (aOuter=<optimized out>, aIID=..., aResult=0xbeb9d568) at /Volumes/mac/moz/ib2g/layout/build/nsLayoutModule.cpp:666
#11 0xb3f72ac8 in mozilla::GenericFactory::CreateInstance (this=<optimized out>, aOuter=<optimized out>, aIID=..., aResult=<optimized out>)
    at /Volumes/mac/moz/ib2g/xpcom/glue/GenericFactory.cpp:17
#12 0xb3f5e448 in CreateInstance (aResult=0xbeb9d568, aIID=..., aDelegate=0x0, aClass=..., this=<optimized out>) at ../../../xpcom/components/nsComponentManager.cpp:1140
#13 nsComponentManagerImpl::CreateInstance (this=<optimized out>, aClass=..., aDelegate=0x0, aIID=..., aResult=0xbeb9d568) at ../../../xpcom/components/nsComponentManager.cpp:1094
#14 0xb3f5da16 in GetService (aResult=0xbeb9d5b8, aIID=..., aClass=..., this=0xb21bb040) at ../../../xpcom/components/nsComponentManager.cpp:1388
#15 nsComponentManagerImpl::GetService (this=0xb21bb040, aClass=..., aIID=..., aResult=0xbeb9d5b8) at ../../../xpcom/components/nsComponentManager.cpp:1306
#16 0xb4316b42 in nsJSCID::GetService (this=<optimized out>, iidval=..., cx=0xb21bb260, optionalArgc=<optimized out>, retval=...) at /Volumes/mac/moz/ib2g/js/xpconnect/src/XPCJSID.cpp:688

Comment 1

[Jan Beich]

Nuwa is gone after bug 1284674.