215742 2020-08-21 15:43:07 -0700 Regression (r265942): Layout-tests are hanging on iOS EWS 2020-08-21 17:20:56 -0700 1 1 1 Unclassified WebKit Tools / Tests Other Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=215584 InRadar P1 Normal --- 1 aakash_jain aakash_jain aakash_jain ews-watchlist glenn jbedard ryanhaddad simon.fraser webkit-bug-importer oldest_to_newest 1682043 0 aakash_jain 2020-08-21 15:43:07 -0700 Layout-tests seems to be hanging (and getting killed by buildbot after 20 minutes) on iOS EWS. e.g.: https://ews-build.webkit.org/#/builders/24/builds/24138/steps/10/logs/stdio 13:58:29.862 4724 worker/9 starting 13:58:29.873 4724 "xcrun --sdk iphonesimulator --show-sdk-version" took 0.01s command timed out: 1200 seconds without output running ['python', 'Tools/Scripts/run-webkit-tests', '--no-build', '--no-show-results', '--no-new-test-results', '--clobber-old-results', '--release', '--ios-simulator', '--results-directory', 'layout-test-results', '--debug-rwt-logging', '--exit-after-n-failures', '30', '--skip-failing-tests'], attempting to kill process killed by signal 9 program finished with exit code -1 Seems to be happening consistently: https://ews-build.webkit.org/#/builders/24/builds/24140 https://ews-build.webkit.org/#/builders/24/builds/24139 https://ews-build.webkit.org/#/builders/24/builds/24138 1682044 1 aakash_jain 2020-08-21 15:43:26 -0700 <rdar://problem/67584717> 1682045 2 aakash_jain 2020-08-21 15:44:30 -0700 It seems to have started in https://ews-build.webkit.org/#/builders/24/builds/24053 (started around Aug 20 8:45am, which was built with r265943) previously, https://ews-build.webkit.org/#/builders/24/builds/24051 passed successfully. Seems to be due to https://trac.webkit.org/r265942 which made changes to Timeout and was landed just before the first noticeable failure (Aug 20, 7:33 am). 1682062 3 jbedard 2020-08-21 16:35:08 -0700 Something super weird is going on, going to upload a partial revert of https://trac.webkit.org/r265942 (one that doesn't revert the parts that would be conflicts) 1682064 4 407032 jbedard 2020-08-21 16:38:55 -0700 Created attachment 407032 Patch 1682077 5 407032 aakash_jain 2020-08-21 17:05:45 -0700 Comment on attachment 407032 Patch r+ since it seems to fix the issue (layout-tests running in https://ews-build.webkit.org/#/builders/24/builds/24145) 1682082 6 ews-feeder 2020-08-21 17:20:55 -0700 Committed r266020: <https://trac.webkit.org/changeset/266020> All reviewed patches have been landed. Closing bug and clearing flags on attachment 407032. 407032 2020-08-21 16:38:55 -0700 2020-08-21 17:20:56 -0700 Patch bug-215742-20200821163854.patch text/plain 9510 jbedard SW5kZXg6IFRvb2xzL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBUb29scy9DaGFuZ2VMb2cJKHJl dmlzaW9uIDI2NjAxOCkKKysrIFRvb2xzL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwz ICsxLDE4IEBACisyMDIwLTA4LTIxICBKb25hdGhhbiBCZWRhcmQgIDxqYmVkYXJkQGFwcGxlLmNv bT4KKworICAgICAgICBSZWdyZXNzaW9uIChyMjY1OTQyKTogTGF5b3V0LXRlc3RzIGFyZSBoYW5n aW5nIG9uIGlPUyBFV1MKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcu Y2dpP2lkPTIxNTc0MgorICAgICAgICA8cmRhcjovL3Byb2JsZW0vNjc1ODQ3MTc+CisKKyAgICAg ICAgVW5yZXZpZXdlZCBpbmZyYXN0cnVjdHVyZSBmaXguCisKKyAgICAgICAgUGFydGlhbCByZXZl cnQgb2YgcjI2NTk0Miwgc2luY2UgRVdTIGlzIHJhaXNpbmcgb2JqYyBleGNlcHRpb25zIGFmdGVy IGZvcmtpbmcuCisKKyAgICAgICAgKiBTY3JpcHRzL3dlYmtpdHB5L2NvbW1vbi90aW1lb3V0X2Nv 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