Bug 80498 - Layout Test fast/workers/worker-multi-startup.html is flaky
Summary: Layout Test fast/workers/worker-multi-startup.html is flaky
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: Tools / Tests (show other bugs)
Version: 528+ (Nightly build)
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-03-07 00:09 PST by Fumitoshi Ukai
Modified: 2012-11-08 09:54 PST (History)
2 users (show)

See Also:

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Description Fumitoshi Ukai 2012-03-07 00:09:33 PST 
The following layout test is flaky on Chromium Win.

fast/workers/worker-multi-startup.html

Probable cause:

Backtrace:
Backtrace:
Backtrace:
Backtrace:
	(No symbol) [0x00A65BBF]
	(No symbol) [0x00A65CE9]
	(No symbol) [0x00B983E4]
	(No symbol) [0x00C836A2]
	(No symbol) [0x00C83917]
	(No symbol) [0x00E2AABD]
	(No symbol) [0x00E2ABC1]
	(No symbol) [0x00B01249]
	(No symbol) [0x00E0BC30]
	(No symbol) [0x00EAA33F]
	(No symbol) [0x0061AC21]
	(No symbol) [0x0061C4D9]
	(No symbol) [0x00629E2A]
	(No symbol) [0x0062996E]
	(No symbol) [0x0061BC3E]
	(No symbol) [0x0061C9C8]
	(No symbol) [0x00413ABD]
	(No symbol) [0x004157C3]
	(No symbol) [0x0041632C]
	(No symbol) [0x006FABA6]
	Backtrace:
RegisterWaitForInputIdleBacktrace:
Backtrace:
 [0x7C817077+73]
	(No symbol) [0x00509250]
	(No symbol) [0x00C889BE]
	(No symbol) [0x00B98226]
	(No symbol) [0x00B02366]
	(No symbol) [0x00C52D51]
	(No symbol) [0x00B0168F]
	(No symbol) [0x00A8A8E5]
	(No symbol) [0x011707F1]
	(No symbol) [0x00633906]
	(No symbol) [0x006FA03F]
	(No symbol) [0x006FA0E7]
None

According to flakiness dashboard, it crashed 4 times since At WebKit revision: 109270, Chrome blamelist r124415:r124417.
Don't know past time..

http://test-results.appspot.com/dashboards/flakiness_dashboard.html#group=%40DEPS%20-%20chromium.org&tests=fast%2Fworkers%2Fworker-multi-startup.html
Comment 1 Joshua Bell 2012-11-08 09:48:12 PST 
Crashed a few times on Linux too, so widening test expectation.

No useful stack, alas:

http://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%2032/builds/1021/steps/webkit_tests/logs/stdio

09:13:14.941 8820 worker/3 fast/workers/worker-multi-startup.html crashed, (stderr lines):
09:13:14.941 8820   1   0x8cfab79
09:13:14.941 8820   2   0x840ee7a
09:13:14.941 8820   3   0x8cfb079
09:13:14.941 8820   4   0x8cfb512
09:13:14.941 8820   5   0x89c949b
09:13:14.941 8820   6   0x89c95f8
09:13:14.941 8820   7   0x8c83fb4
09:13:14.941 8820   8   0x95a7702
09:13:14.941 8820   9   0x8122585
09:13:14.941 8820   10  0xb6e6b96e
09:13:14.941 8820   1   0x8cfab79
09:13:14.941 8820   2   0x840ee7a
09:13:14.941 8820   3   0x8cfb079
09:13:14.941 8820   4   0x8cfb512
09:13:14.941 8820   5   0x89c949b
09:13:14.942 8820   6   0x89c95f8
09:13:14.942 8820   7   0x8c83fb4
09:13:14.942 8820   8   0x95a7702
09:13:14.942 8820   9   0x8122585
09:13:14.942 8820   1   0x8cfab79
09:13:14.942 8820   2   0x840ee7a
09:13:14.942 8820   3   0x8cfb079
09:13:14.942 8820   4   0x8cfb512
09:13:14.942 8820   5   0x89c949b
09:13:14.942 8820   6   0x89c95f8
09:13:14.942 8820   7   0x8c83fb4
09:13:14.942 8820   8   0x95a7702
09:13:14.942 8820   9   0x8122585
09:13:14.942 8820   10  0xb6e6b96e
09:13:14.942 8820   11  0xb6c1e98e clone
09:13:14.942 8820   10  0xb6e6b96e
09:13:14.943 8820   11  0xb6c1e98e clone
09:13:14.943 8820   11  0xb6c1e98e clone
09:13:14.948 8786 [17931/26335] fast/workers/worker-multi-startup.html failed unexpectedly (DumpRenderTree crashed [pid=11488])