151563 2015-11-23 04:31:46 -0800 [FTL] regress/script-tests/double-pollution-putbyoffset.js.dfg-eager regularly stucks in an infinite loop 2017-10-18 01:41:47 -0700 1 1 1 Unclassified WebKit JavaScriptCore Other Unspecified Unspecified RESOLVED FIXED InRadar P1 Critical --- 143605 1 ossy webkit-unassigned cgarcia clopez fpizlo gyuyoung.kim hs85.jeong jh718.park ossy webkit-bug-importer zan oldest_to_newest 1144162 0 ossy 2015-11-23 04:31:46 -0800 https://trac.webkit.org/changeset/192682 enabled FTL JIT on EFL Linux X86_64. Since then regress/script-tests/double-pollution-putbyoffset.js.dfg-eager regularly stucks in an infinite loop. regress/script-tests/double-pollution-putbyoffset.js.dfg-eager: Timed out after 339.000000 seconds! regress/script-tests/double-pollution-putbyoffset.js.dfg-eager: 1 0x7ffa47260537 WTFCrash regress/script-tests/double-pollution-putbyoffset.js.dfg-eager: 2 0x409773 regress/script-tests/double-pollution-putbyoffset.js.dfg-eager: 3 0x7ffa47272ba5 regress/script-tests/double-pollution-putbyoffset.js.dfg-eager: 4 0x7ffa472a242a regress/script-tests/double-pollution-putbyoffset.js.dfg-eager: 5 0x7ffa464906aa regress/script-tests/double-pollution-putbyoffset.js.dfg-eager: 6 0x7ffa45eb6eed clone regress/script-tests/double-pollution-putbyoffset.js.dfg-eager: Segmentation fault (core dumped) regress/script-tests/double-pollution-putbyoffset.js.dfg-eager: ERROR: Unexpected exit code: 139 FAIL: regress/script-tests/double-pollution-putbyoffset.js.dfg-eager 1144163 1 ossy 2015-11-23 04:35:02 -0800 It isn't an EFL related bug, but an FTL JIT bug on Linux, because I found similar errors on the GTK bot too: regress/script-tests/double-pollution-putbyoffset.js.ftl-eager: Timed out after 339.000000 seconds! regress/script-tests/double-pollution-putbyoffset.js.ftl-eager: 1 0x7fbe2954b7c7 /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18(WTFCrash+0x17) [0x7fbe2954b7c7] regress/script-tests/double-pollution-putbyoffset.js.ftl-eager: 2 0x4093e3 ../../../.vm/JavaScriptCore.framework/Resources/jsc() [0x4093e3] regress/script-tests/double-pollution-putbyoffset.js.ftl-eager: 3 0x7fbe2955d4b5 /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18(+0x9484b5) [0x7fbe2955d4b5] regress/script-tests/double-pollution-putbyoffset.js.ftl-eager: 4 0x7fbe2958ba0a /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/lib/libjavascriptcoregtk-4.0.so.18(+0x976a0a) [0x7fbe2958ba0a] regress/script-tests/double-pollution-putbyoffset.js.ftl-eager: 5 0x7fbe284bf0a4 /lib/x86_64-linux-gnu/libpthread.so.0(+0x80a4) [0x7fbe284bf0a4] regress/script-tests/double-pollution-putbyoffset.js.ftl-eager: 6 0x7fbe273a504d /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7fbe273a504d] regress/script-tests/double-pollution-putbyoffset.js.ftl-eager: Segmentation fault (core dumped) regress/script-tests/double-pollution-putbyoffset.js.ftl-eager: ERROR: Unexpected exit code: 139 ** The following JSC stress test failures have been introduced: regress/script-tests/double-pollution-putbyoffset.js.ftl-eager Results for JSC stress tests: 1 failure found. 1361601 2 zan 2017-10-18 01:41:19 -0700 These failures aren't exhibited anymore. 1361603 3 webkit-bug-importer 2017-10-18 01:41:47 -0700 <rdar://problem/35048161>