Bug 46924 – REGRESSION(before r61427?): media/audio-controls-rendering.html is very flaky

• Component: Tools / Tests
• Status: RESOLVED WONTFIX

[Eric Seidel (no email)]

media/audio-controls-rendering.html is very flaky

It's failed 15 of the last 2000 runs on the Snow Leopard Release Bot.

It's the second-most flaky test.

[Eric Seidel (no email)]

It seems it's crashing of sorts:

--- /Volumes/Data/WebKit-BuildSlave/snowleopard-intel-release-tests/build/layout-test-results/media/audio-controls-rendering-expected.txt	2010-09-22 13:11:36.000000000 -0700
+++ /Volumes/Data/WebKit-BuildSlave/snowleopard-intel-release-tests/build/layout-test-results/media/audio-controls-rendering-actual.txt	2010-09-22 13:11:36.000000000 -0700
@@ -1,68 +1,2 @@
-layer at (0,0) size 800x600
-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x600
-  RenderBlock {HTML} at (0,0) size 800x600
-    RenderBody {BODY} at (8,8) size 784x584
-      RenderBlock {P} at (0,0) size 784x18
-        RenderText {#text} at (0,0) size 153x18
-          text run at (0,0) width 153: "Test controls placement."
-      RenderBlock (anonymous) at (0,34) size 784x104
-        RenderMedia {AUDIO} at (0,0) size 200x25 [bgcolor=#0000FF]
-        RenderBR {BR} at (200,25) size 0x0
-        RenderBR {BR} at (0,25) size 0x18
-        RenderMedia {AUDIO} at (0,43) size 320x25 [bgcolor=#0000FF]
-        RenderBR {BR} at (320,68) size 0x0
-        RenderBR {BR} at (0,68) size 0x18
-        RenderBR {BR} at (0,86) size 0x18
-layer at (8,42) size 200x25
-  RenderBlock (relative positioned) {DIV} at (0,0) size 200x25
-layer at (8,42) size 200x25
-  RenderFlexibleBox (positioned) {DIV} at (0,0) size 200x25
-    RenderButton {INPUT} at (6,3) size 18x18
-    RenderButton {INPUT} at (32,4) size 16x16
-    RenderFlexibleBox {DIV} at (49,1) size 126x22
-      RenderSlider {INPUT} at (0,5) size 126x13
-        RenderBlock {DIV} at (0,2) size 10x8
-    RenderButton {INPUT} at (177,6) size 14x12
-layer at (8,85) size 320x25
-  RenderBlock (relative positioned) {DIV} at (0,0) size 320x25
-layer at (8,85) size 320x25
-  RenderFlexibleBox (positioned) {DIV} at (0,0) size 320x25
-    RenderButton {INPUT} at (6,3) size 18x18
-    RenderButton {INPUT} at (32,4) size 16x16
-    RenderFlexibleBox {DIV} at (49,5) size 246x15
-      RenderSlider {INPUT} at (45,2) size 156x13
-        RenderBlock {DIV} at (0,2) size 10x8
-    RenderButton {INPUT} at (297,6) size 14x12
-layer at (57,92) size 45x11
-  RenderFlexibleBox {DIV} at (0,2) size 45x11 [color=#FFFFFF]
-    RenderBlock (anonymous) at (9,0) size 26x11
-      RenderText {#text} at (0,0) size 26x11
-        text run at (0,0) width 26: "00:00"
-layer at (258,92) size 45x11
-  RenderFlexibleBox {DIV} at (201,2) size 45x11 [color=#FFFFFF]
-    RenderBlock (anonymous) at (6,0) size 32x11
-      RenderText {#text} at (0,0) size 32x11
-        text run at (0,0) width 32: "-00:07"
-layer at (8,128) size 320x100
-  RenderMedia {AUDIO} at (8,128) size 320x100 [bgcolor=#0000FF]
-layer at (8,128) size 320x100
-  RenderBlock (relative positioned) {DIV} at (0,0) size 320x100
-layer at (8,203) size 320x25
-  RenderFlexibleBox (positioned) {DIV} at (0,75) size 320x25
-    RenderButton {INPUT} at (6,3) size 18x18
-    RenderButton {INPUT} at (32,4) size 16x16
-    RenderFlexibleBox {DIV} at (49,5) size 246x15
-      RenderSlider {INPUT} at (45,2) size 156x13
-        RenderBlock {DIV} at (0,2) size 10x8
-    RenderButton {INPUT} at (297,6) size 14x12
-layer at (57,210) size 45x11
-  RenderFlexibleBox {DIV} at (0,2) size 45x11 [color=#FFFFFF]
-    RenderBlock (anonymous) at (9,0) size 26x11
-      RenderText {#text} at (0,0) size 26x11
-        text run at (0,0) width 26: "00:00"
-layer at (258,210) size 45x11
-  RenderFlexibleBox {DIV} at (201,2) size 45x11 [color=#FFFFFF]
-    RenderBlock (anonymous) at (6,0) size 32x11
-      RenderText {#text} at (0,0) size 32x11
-        text run at (0,0) width 32: "-00:07"
+Invalid memory access of location 0x0 rip=0x0
+

[Eric Seidel (no email)]

From http://build.webkit.org/results/SnowLeopard%20Intel%20Release%20(Tests)/r68073%20(18048)/media/audio-controls-rendering-diffs.txt

[Eric Seidel (no email)]

Same here: http://build.webkit.org/results/SnowLeopard%20Intel%20Release%20(Tests)/r68043%20(18026)/media/audio-controls-rendering-diffs.txt

[Eric Seidel (no email)]

Created attachment 69360 [details]
Log of all recent failures (including results urls)

[Eric Seidel (no email)]

I wonder where the "Invalid memory access of location" log is coming from and why this doesn't appear as a crash.

[Eric Seidel (no email)]

The internet seems to think that "Invalid memory access of location 0x0 rip=0x0" is a Java log message.  I'm just not sure why Java would be involved here at all, so that seems like a red herring.

[Eric Seidel (no email)]

http://trac.webkit.org/browser/trunk/LayoutTests/media/audio-controls-rendering.html

Has had a surprising number of people contribute to it over the years!

[Eric Seidel (no email)]

http://build.webkit.org/results/SnowLeopard%20Intel%20Release%20%28Tests%29/r61427%20%2811918%29
is the oldest failure seen on the bot, indicating this might be a "recent" regression.

[Ahmad Saleem]

Test was removed in https://github.com/WebKit/WebKit/commit/a39bd42ad87d82a3bea0fa6eac107376a973cf7c.