This bug was filed from the Socorro interface and is report bp-ca342a47-2639-4105-a382-f21f22121122 . Steps: 1. Open external link from Twiiter/ TweetDeck 2. Tap URL bar I was unable to reproducible ============================================================= 0 libxul.so nsOfflineCacheDevice::ChooseApplicationCache nsDiskCacheDeviceSQL.cpp:2474 1 libxul.so nsApplicationCacheService::ChooseApplicationCache nsApplicationCacheService.cpp:147 2 libxul.so mozilla::net::nsHttpChannel::OpenCacheEntry nsHttpChannel.cpp:2354 3 libxul.so mozilla::net::nsHttpChannel::Connect nsHttpChannel.cpp:416 4 libxul.so mozilla::net::nsHttpChannel::BeginConnect nsHttpChannel.cpp:4437 5 libxul.so mozilla::net::nsHttpChannel::OnProxyAvailable nsHttpChannel.cpp:4515 6 libxul.so nsAsyncResolveRequest::DoCallback nsProtocolProxyService.cpp:240 7 libxul.so nsAsyncResolveRequest::Run nsProtocolProxyService.cpp:140 8 libxul.so nsThread::ProcessNextEvent nsThread.cpp:627 9 libxul.so NS_ProcessNextEvent_P nsThreadUtils.cpp:221 10 libxul.so nsThread::Shutdown nsThread.cpp:474 11 libxul.so nsCacheService::Shutdown nsCacheService.cpp:1269 12 libxul.so nsAppShell::ProcessNextNativeEvent nsAppShell.cpp:453 13 libxul.so nsBaseAppShell::DoProcessNextNativeEvent nsBaseAppShell.cpp:139 14 libxul.so nsBaseAppShell::OnProcessNextEvent nsBaseAppShell.cpp:280 15 libxul.so nsThread::ProcessNextEvent nsThread.cpp:600 16 libxul.so NS_ProcessNextEvent_P nsThreadUtils.cpp:221 17 libxul.so mozilla::ipc::MessagePump::Run MessagePump.cpp:82 18 libxul.so MessageLoop::RunInternal message_loop.cc:215 19 libxul.so MessageLoop::Run message_loop.cc:208 20 libxul.so nsBaseAppShell::Run nsBaseAppShell.cpp:163 21 libxul.so nsAppStartup::Run nsAppStartup.cpp:290 22 libxul.so XREMain::XRE_mainRun nsAppRunner.cpp:3823 23 libxul.so XREMain::XRE_main nsAppRunner.cpp:3890 24 libxul.so XRE_main nsAppRunner.cpp:4084 25 libxul.so GeckoStart nsAndroidStartup.cpp:73 26 libmozglue.so Java_org_mozilla_gecko_GeckoAppShell_nativeRun APKOpen.cpp:1005 27 libdvm.so libdvm.so@0x1de32 28 dalvik-heap (deleted) dalvik-heap @0xae0846 29 data@app@org.mozilla.fennec-1.apk@classes.dex data@app@org.mozilla.fennec-1.apk@classes.dex@0x18cc1f 30 libdvm.so libdvm.so@0x4d085 31 data@app@org.mozilla.fennec-1.apk@classes.dex data@app@org.mozilla.fennec-1.apk@classes.dex@0x18cc1d 32 libmozglue.so mozilla::RefPtr<Zip>::~RefPtr RefPtr.h:109 33 @0x5c21e0ae 34 libc.so libc.so@0x1556f 35 libc.so libc.so@0x15537 36 libc.so libc.so@0x16d43 37 libdvm.so libdvm.so@0x4f3f5 38 core.odex core.odex@0x1ea19f 39 dalvik-heap (deleted) dalvik-heap @0xc8165e 40 dalvik-heap (deleted) dalvik-heap @0xc8165e 41 libdvm.so libdvm.so@0x99d5a 42 dalvik-heap (deleted) dalvik-heap @0xc8165e 43 dalvik-heap (deleted) dalvik-heap @0x1446 44 libdvm.so libdvm.so@0x99d5a 45 dalvik-heap (deleted) dalvik-heap @0xc8165e 46 libdvm.so libdvm.so@0x99d5a 47 dalvik-heap (deleted) dalvik-heap @0xc8165e 48 dalvik-LinearAlloc (deleted) dalvik-LinearAlloc @0x2b175a 49 dalvik-heap (deleted) dalvik-heap @0xae0846 50 dalvik-LinearAlloc (deleted) dalvik-LinearAlloc @0x2b1746 51 data@app@org.mozilla.fennec-1.apk@classes.dex data@app@org.mozilla.fennec-1.apk@classes.dex@0x1a6b94 52 libdvm.so libdvm.so@0x4f2fb 53 dalvik-LinearAlloc (deleted) dalvik-LinearAlloc @0x2b1746 54 dalvik-LinearAlloc (deleted) dalvik-LinearAlloc @0x2b1746 55 libdvm.so libdvm.so@0x4cef7 56 dalvik-heap (deleted) dalvik-heap @0xae0846 57 libdvm.so libdvm.so@0x4f19f 58 dalvik-LinearAlloc (deleted) dalvik-LinearAlloc @0x2b1746 59 data@app@org.mozilla.fennec-1.apk@classes.dex data@app@org.mozilla.fennec-1.apk@classes.dex@0xd85b6 60 dalvik-heap (deleted) dalvik-heap @0xae0846 61 libdvm.so libdvm.so@0x1dfbe 62 libdvm.so libdvm.so@0x27262 63 dalvik-LinearAlloc (deleted) dalvik-LinearAlloc @0x2f1416 64 libdvm.so libdvm.so@0x2bb6a 65 dalvik-LinearAlloc (deleted) dalvik-LinearAlloc @0x2f1416 66 dalvik-heap (deleted) dalvik-heap @0xc0c51e 67 data@app@org.mozilla.fennec-1.apk@classes.dex data@app@org.mozilla.fennec-1.apk@classes.dex@0x18c6a0 68 libdvm.so libdvm.so@0x5f7f3 69 dalvik-LinearAlloc (deleted) dalvik-LinearAlloc @0x2f1416 70 dalvik-heap (deleted) dalvik-heap @0xc0c51e 71 libdvm.so libdvm.so@0x5f81d 72 libdvm.so libdvm.so@0x543d5 73 libdvm.so libdvm.so@0x54333 74 libdvm.so libdvm.so@0x54333 75 libc.so libc.so@0x12bb2 76 libc.so libc.so@0x1230a

Looks like we are missing some kind of "is initialized" check. I'll take a look.

I may fix this as part of work on bug 822833. This is a very low frequency crash.