Bug 123490

Summary:	REGRESSION(r158189-r158230): webaudio/oscillator-sawtooth.html fails on Mavericks
Product:	WebKit	Reporter:	Ryosuke Niwa <rniwa>
Component:	Media	Assignee:	Nobody <webkit-unassigned>
Status:	NEW ---
Severity:	Normal	CC:	eric.carlson, jer.noble
Priority:	P2	Keywords:	LayoutTestFailure, Regression
Version:	528+ (Nightly build)
Hardware:	Unspecified
OS:	Unspecified

Description Ryosuke Niwa 2013-10-29 20:47:23 PDT

http://webkit-test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=webaudio%2Foscillator-sawtooth.html

e.g.
http://build.webkit.org/results/Apple%20Mavericks%20Release%20WK2%20(Tests)/r158244%20(82)/results.html

Maybe http://trac.webkit.org/changeset/158220 ?

Comment 1 Jer Noble 2013-10-29 23:07:22 PDT

> diff-wav.py /Volumes/Users/jer/Downloads/oscillator-sawtooth-expected.wav /Volumes/Users/jer/Downloads/oscillator-sawtooth-actual.wav 
Sample #0
< 0
---
> -1
Total differing samples: 1
Percentage of differing samples: 0.001%
Cumulative sample difference: 1
Average sample difference: 1.000000

Looks like the first sample is ever so slightly different.  Unlikely to be related to the checkin in question.