222055 2021-02-17 11:04:09 -0800 REGRESSION (r272842?): Catalina Perf tests failing due to unexpected logging 2021-02-17 15:55:08 -0800 1 1 1 Unclassified WebKit New Bugs Other Unspecified Unspecified RESOLVED DUPLICATE 221996 https://bugs.webkit.org/show_bug.cgi?id=221996 InRadar P2 Normal --- 1 ryanhaddad webkit-unassigned cdumez peng.liu6 pvollan simon.fraser webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1730397 0 ryanhaddad 2021-02-17 11:04:09 -0800 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 1730506 1 webkit-bug-importer 2021-02-17 13:51:48 -0800 <rdar://problem/74448592> 1730511 2 ryanhaddad 2021-02-17 13:53:25 -0800 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 1730523 3 ryanhaddad 2021-02-17 14:15:35 -0800 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. 1730544 4 ryanhaddad 2021-02-17 14:40:41 -0800 Last successful: https://build.webkit.org/#/builders/20/builds/64 First failing: https://build.webkit.org/#/builders/20/builds/65 1730545 5 ryanhaddad 2021-02-17 14:41:08 -0800 Peng, does this regression make any sense to you? 1730568 6 peng.liu6 2021-02-17 15:02:03 -0800 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. 1730571 7 simon.fraser 2021-02-17 15:04:30 -0800 Maybe this was triggered by a sandboxing change? 1730608 8 peng.liu6 2021-02-17 15:55:08 -0800 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 ***