1183888 - 3,100 instances of "NS_ENSURE_TRUE(HaveStartTime()) failed" emitted from dom/media/ during linux64 debug testing

Status: RESOLVED FIXED

Description

[Eric Rahm [:erahm]]

+++ This bug was initially created as a clone of Bug #1179110 +++

> 2083 [NNNNN] WARNING: NS_ENSURE_TRUE(HaveStartTime()) failed: file dom/media/ogg/OggReader.cpp, line 1843

This warning [1], introduced in bug 1179110 patch 1 shows up in the following test suites:

> mozilla-central_ubuntu64_vm-debug_test-mochitest-2-bm67-tests1-linux64-build1.txt:1235
> mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-2-bm53-tests1-linux64-build12.txt:1189
> mozilla-central_ubuntu64_vm-debug_test-reftest-3-bm52-tests1-linux64-build0.txt:310
> mozilla-central_ubuntu64_vm-debug_test-crashtest-bm53-tests1-linux64-build28.txt:215
> mozilla-central_ubuntu64_vm-debug_test-mochitest-1-bm117-tests1-linux64-build1.txt:41
> mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-1-bm123-tests1-linux64-build25.txt:22
> mozilla-central_ubuntu64_vm-debug_test-mochitest-browser-chrome-2-bm117-tests1-linux64-build8.txt:13
> mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-browser-chrome-3-bm118-tests1-linux64-build0.txt:9
> mozilla-central_ubuntu64_vm-debug_test-mochitest-other-bm53-tests1-linux64-build0.txt:7
> mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-5-bm52-tests1-linux64-build2.txt:7
> mozilla-central_ubuntu64_vm-debug_test-mochitest-5-bm115-tests1-linux64-build29.txt:7
> mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-4-bm122-tests1-linux64-build12.txt:4
> mozilla-central_ubuntu64_vm-debug_test-mochitest-4-bm121-tests1-linux64-build0.txt:4
> mozilla-central_ubuntu64_vm-debug_test-mochitest-3-bm115-tests1-linux64-build21.txt:4
> mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-browser-chrome-2-bm67-tests1-linux64-build0.txt:3
> mozilla-central_ubuntu64_vm-debug_test-mochitest-browser-chrome-1-bm122-tests1-linux64-build19.txt:3
> mozilla-central_ubuntu64_vm-debug_test-reftest-e10s-1-bm68-tests1-linux64-build0.txt:1
> mozilla-central_ubuntu64_vm-debug_test-reftest-2-bm53-tests1-linux64-build27.txt:1

It shows up in 356 tests. A few of the most prevalent:

> 200 - file:///builds/slave/test/build/tests/reftest/tests/dom/media/test/crashtests/691096-1.html
> 108 - dom/media/test/test_playback.html
> 104 - dom/media/test/test_playback.html
> 81 - dom/media/test/test_closing_connections.html
> 76 - dom/media/test/test_media_selection.html
> 71 - dom/media/test/test_media_selection.html
> 71 - dom/media/test/test_closing_connections.html
> 50 - dom/media/test/test_load.html
> 50 - dom/media/test/test_load.html
> 48 - dom/media/test/test_played.html

[1] https://hg.mozilla.org/mozilla-central/annotate/e786406bc683/dom/media/ogg/OggReader.cpp#l1843

Comment 1

[Eric Rahm [:erahm]]

Bobby, would you mind taking a look at this? It seems to have been introduced recently by bug 1179110.

Comment 2

[Bobby Holley (:bholley)]

(In reply to Eric Rahm [:erahm] from comment #1)
> Bobby, would you mind taking a look at this? It seems to have been
> introduced recently by bug 1179110.

302 jya. ;-)

Comment 3

[Eric Rahm [:erahm]]

> 990 [NNNNN] WARNING: NS_ENSURE_TRUE(HaveStartTime()) failed: file dom/media/webm/WebMReader.cpp, line 781

This is more than just ogg, I see it in WebMReader as well. This warning [1] shows up in the following test suites:

> mozilla-central_ubuntu64_vm-debug_test-mochitest-2-bm67-tests1-linux64-build1.txt:357
> mozilla-central_ubuntu64_vm-debug_test-mochitest-e10s-2-bm53-tests1-linux64-build12.txt:355
> mozilla-central_ubuntu64_vm-debug_test-reftest-3-bm52-tests1-linux64-build0.txt:272
> mozilla-central_ubuntu64_vm-debug_test-crashtest-bm53-tests1-linux64-build28.txt:3
> mozilla-central_ubuntu64_vm-debug_test-reftest-e10s-1-bm68-tests1-linux64-build0.txt:1
> mozilla-central_ubuntu64_vm-debug_test-reftest-2-bm53-tests1-linux64-build27.txt:1
> mozilla-central_ubuntu64_vm-debug_test-mochitest-other-bm53-tests1-linux64-build0.txt:1

It shows up in 116 tests. A few of the most prevalent:

> 64 - dom/media/test/test_media_selection.html
> 40 - dom/media/test/test_load.html
> 32 - dom/media/test/test_reset_src.html
> 24 - dom/media/test/test_played.html
> 21 - file:///builds/slave/test/build/tests/reftest/tests/layout/reftests/webm-video/object-fit-scale-down-webm-002.html
> 21 - file:///builds/slave/test/build/tests/reftest/tests/layout/reftests/webm-video/object-fit-scale-down-webm-001.html
> 21 - file:///builds/slave/test/build/tests/reftest/tests/layout/reftests/webm-video/object-fit-none-webm-002.html
> 21 - file:///builds/slave/test/build/tests/reftest/tests/layout/reftests/webm-video/object-fit-none-webm-001.html
> 21 - file:///builds/slave/test/build/tests/reftest/tests/layout/reftests/webm-video/object-fit-fill-webm-002.html
> 21 - file:///builds/slave/test/build/tests/reftest/tests/layout/reftests/webm-video/object-fit-fill-webm-001.html

Comment 4

[Jean-Yves Avenard [:jya]]

WebM will be automatically fixed once bug 1185792 goes in

Comment 5

[Jean-Yves Avenard [:jya]]

Attachment: Report empty buffered ranges unless we have a start time.

Carrying r+ as per https://bugzilla.mozilla.org/show_bug.cgi?id=1179110#c25

Comment 6

[Jean-Yves Avenard [:jya]]

https://treeherder.mozilla.org/#/jobs?repo=try&revision=5ca8c45b90a5

Comment 7

[Jean-Yves Avenard [:jya]]

Duh... A bit silly try run that contains currently non-working patches I'm working on.

Comment 8

[Jean-Yves Avenard [:jya]]

https://treeherder.mozilla.org/#/jobs?repo=try&revision=a68543d5a7f3

Comment 9

[Pulsebot]

https://hg.mozilla.org/integration/mozilla-inbound/rev/fedceb06f2e2

Comment 10

[Wes Kocher (:KWierso)]

https://hg.mozilla.org/mozilla-central/rev/fedceb06f2e2