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QA/Automation/Projects/WebRTC/Crashtest Guide: Difference between revisions
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QA/Automation/Projects/WebRTC/Crashtest Guide (view source)
Revision as of 13:02, 13 December 2012
, 13 December 2012→Compare the output of the crash to the callstack given in the bug
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===Compare the output of the crash to the callstack given in the bug=== | ===Compare the output of the crash to the callstack given in the bug=== | ||
The output obtained in this via gdb, should look something like this (NOTE: If you arrived here via a crash, then consult about:crashes, find the report and scroll down. You should find the same output in pretty tabular form) | The output obtained in this via gdb, should look something like this (NOTE: If you arrived here via a crash, then consult ''about:crashes'', find the report and scroll down. You should find the same output in pretty tabular form) | ||
#0 0x00007ffff16d5420 in nsTArray<nsRefPtr<mozilla::MediaEngineAudioSource>, nsTArrayDefaultAllocator>::ElementAt (this=0x7fffd6ea5b90, i=0) | |||
#0 0x00007ffff16d5420 in nsTArray<nsRefPtr<mozilla::MediaEngineAudioSource>, nsTArrayDefaultAllocator>::ElementAt (this=0x7fffd6ea5b90, i=0) | at ../../dist/include/nsTArray.h:538 | ||
#1 0x00007ffff19ce182 in mozilla::MediaEngineDefault::EnumerateAudioDevices ( | |||
#1 0x00007ffff19ce182 in mozilla::MediaEngineDefault::EnumerateAudioDevices ( | this=0x7fffd6ea5b80, aASources=0x7fffd14fec80) | ||
at /home/nebelhom/Mozilla-Dev/mozilla-central/content/media/webrtc/MediaEngineDefault.cpp:367 | |||
#2 0x00007ffff16d1155 in mozilla::GetUserMediaRunnable::SelectDevice ( | |||
#2 0x00007ffff16d1155 in mozilla::GetUserMediaRunnable::SelectDevice ( | this=0x7fffc8efcb60) | ||
at /home/nebelhom/Mozilla-Dev/mozilla-central/dom/media/MediaManager.cpp:505 | |||
#3 0x00007ffff16d0b36 in mozilla::GetUserMediaRunnable::Run ( | |||
#3 0x00007ffff16d0b36 in mozilla::GetUserMediaRunnable::Run ( | this=0x7fffc8efcb60) | ||
at /home/nebelhom/Mozilla-Dev/mozilla-central/dom/media/MediaManager.cpp:408 | |||
#4 0x00007ffff25b7735 in nsThread::ProcessNextEvent (this=0x7fffc76a47e0, | |||
#4 0x00007ffff25b7735 in nsThread::ProcessNextEvent (this=0x7fffc76a47e0, | mayWait=true, result=0x7fffd14fedff) | ||
at /home/nebelhom/Mozilla-Dev/mozilla-central/xpcom/threads/nsThread.cpp:627 | |||
#5 0x00007ffff2544dec in NS_ProcessNextEvent_P (thread=0x7fffc76a47e0, | |||
#5 0x00007ffff2544dec in NS_ProcessNextEvent_P (thread=0x7fffc76a47e0, | mayWait=true) | ||
at /home/nebelhom/Mozilla-Dev/mozilla-central/obj/xpcom/build/nsThreadUtils---Type <return> to continue, or q <return> to quit--- | |||
.cpp:221 | |||
.cpp:221 | #6 0x00007ffff25b6590 in nsThread::ThreadFunc (arg=0x7fffc76a47e0) | ||
#6 0x00007ffff25b6590 in nsThread::ThreadFunc (arg=0x7fffc76a47e0) | at /home/nebelhom/Mozilla-Dev/mozilla-central/xpcom/threads/nsThread.cpp:265 | ||
#7 0x00007ffff69e4f19 in _pt_root (arg=0x7fffc774f370) | |||
#7 0x00007ffff69e4f19 in _pt_root (arg=0x7fffc774f370) | at /home/nebelhom/Mozilla-Dev/mozilla-central/nsprpub/pr/src/pthreads/ptthread.c:156 | ||
#8 0x00007ffff73c4e9a in start_thread () | |||
#8 0x00007ffff73c4e9a in start_thread () | from /lib/x86_64-linux-gnu/libpthread.so.0 | ||
#9 0x00007ffff70f1cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 | |||
#10 0x0000000000000000 in ?? () | |||
#9 0x00007ffff70f1cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6 | |||
#10 0x0000000000000000 in ?? () | |||
This output should be similar to the output given in the callstack of the bug (There may be some slight differences in the numbers). You have now successfully re-created the bug in question. Time to create a crashtest for this bug. | This output should be similar to the output given in the callstack of the bug (There may be some slight differences in the numbers). You have now successfully re-created the bug in question. Time to create a crashtest for this bug. | ||