RESOLVED DUPLICATE of bug 221996 Bug 222055
REGRESSION (r272842?): Catalina Perf tests failing due to unexpected logging 
https://bugs.webkit.org/show_bug.cgi?id=222055
Summary REGRESSION (r272842?): Catalina Perf tests failing due to unexpected logging
Ryan Haddad
Reported 2021-02-17 11:04:09 PST
It looks like the Catalina Perf bot is failing tests due to unexpected logging Running 204 tests Running Animation/balls.html (1 of 204) error: Animation/balls.html 2021-02-17 09:54:19.823 com.apple.WebKit.WebContent.Development[26061:790778] IORegisterForSystemPower failed 2021-02-17 09:54:19.823 com.apple.WebKit.WebContent.Development[26061:790778] IORegisterForSystemPower failed FAILED Finished: 9.835657 s https://build.webkit.org/#/builders/20/builds/120/steps/9/logs/stdio
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Radar WebKit Bug Importer
Comment 1 2021-02-17 13:51:48 PST
<rdar://problem/74448592>
Ryan Haddad
Comment 2 2021-02-17 13:53:25 PST
This did not occur on a run with https://trac.webkit.org/changeset/272840/webkit, but it did with https://trac.webkit.org/changeset/272842/webkit Probably related to [GPUP] Move UseGPUProcessForMediaEnabled from WebPreferencesInternal to WebPreferencesExperimental ​https://bugs.webkit.org/show_bug.cgi?id=221310 https://trac.webkit.org/changeset/272842/webkit
Ryan Haddad
Comment 3 2021-02-17 14:15:35 PST
The only mention of IORegisterForSystemPower in source is https://trac.webkit.org/browser/webkit/trunk/Source/WebCore/platform/mac/PowerObserverMac.cpp?rev=218615#L40, unsure how that is related to moving GPUP for Media to WebPreferencesExperimental.
Ryan Haddad
Comment 4 2021-02-17 14:40:41 PST
Last successful: https://build.webkit.org/#/builders/20/builds/64 First failing: https://build.webkit.org/#/builders/20/builds/65
Ryan Haddad
Comment 5 2021-02-17 14:41:08 PST
Peng, does this regression make any sense to you?
Peng Liu
Comment 6 2021-02-17 15:02:03 PST
Moving "GPUP for Media" from WebPreferencesInternal to WebPreferencesExperimental is expected to only affect WKTR. It is not likely to affect the perf bot, I think.
Simon Fraser (smfr)
Comment 7 2021-02-17 15:04:30 PST
Maybe this was triggered by a sandboxing change?
Peng Liu
Comment 8 2021-02-17 15:55:08 PST
Got confirmation from Per. Let's mark it as a duplicate of bug 221996. *** This bug has been marked as a duplicate of bug 221996 ***
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