191633 2018-11-14 09:01:46 -0800 REGRESSION(r237245): wpt.fyi hangs Safari 2019-01-14 07:38:13 -0800 1 1 1 Unclassified WebKit History WebKit Nightly Build Unspecified macOS 10.13 RESOLVED DUPLICATE 193012 InRadar P2 Normal --- 1 gsnedders wenson_hsieh koivisto Ms2ger rniwa thorton webkit-bug-importer wenson_hsieh youennf zalan oldest_to_newest 1478460 0 gsnedders 2018-11-14 09:01:46 -0800 Navigating to https://wpt.fyi/ in TP69 results in "A problem repeatedly occurred"; in the r238171 High Sierra archive it fails to paint anything with both Safari and the History process under heavy CPU load. 1478506 1 webkit-bug-importer 2018-11-14 10:21:23 -0800 <rdar://problem/46066744> 1478522 2 youennf 2018-11-14 10:48:14 -0800 Thanks Geoffrey, I reproed the issue and this still happens in WebKit Tot AFAICT. There seems to be an issue in the renderer (RenderBlock::paint et al.) 1478527 3 zalan 2018-11-14 11:00:08 -0800 Regressed with https://trac.webkit.org/changeset/237245 1494140 4 Ms2ger 2019-01-14 07:32:07 -0800 (In reply to zalan from comment #3) > Regressed with https://trac.webkit.org/changeset/237245 Can one of the people who worked on that take a look? 1494143 5 wenson_hsieh 2019-01-14 07:36:33 -0800 Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x000000010dfc9f58 WebCore::RenderThemeMac::paintListButtonForInput(WebCore::RenderObject const&, WebCore::GraphicsContext&, WebCore::FloatRect const&) + 424 1 com.apple.WebCore 0x000000010dfca6e5 WebCore::RenderThemeMac::paintTextField(WebCore::RenderObject const&, WebCore::PaintInfo const&, WebCore::FloatRect const&) + 949 2 com.apple.WebCore 0x000000010eeb51bb WebCore::RenderTheme::paintBorderOnly(WebCore::RenderBox const&, WebCore::PaintInfo const&, WebCore::LayoutRect const&) + 427 3 com.apple.WebCore 0x000000010d9e2867 WebCore::RenderBox::paintBoxDecorations(WebCore::PaintInfo&, WebCore::LayoutPoint const&) + 1191 4 com.apple.WebCore 0x000000010d9dfc2b WebCore::RenderBlock::paintObject(WebCore::PaintInfo&, WebCore::LayoutPoint const&) + 75 5 com.apple.WebCore 0x000000010d9e1f45 WebCore::RenderBlock::paint(WebCore::PaintInfo&, WebCore::LayoutPoint const&) + 245 6 com.apple.WebCore 0x000000010edb3ca2 WebCore::RenderBlock::paintChild(WebCore::RenderBox&, WebCore::PaintInfo&, WebCore::LayoutPoint const&, WebCore::PaintInfo&, bool, WebCore::RenderBlock::PaintBlockType) + 642 I think Alan has already fixed this in r239786 — I'll check on trunk to confirm. 1494144 6 zalan 2019-01-14 07:37:28 -0800 It is fixed on trunk 1494145 7 wenson_hsieh 2019-01-14 07:38:13 -0800 *** This bug has been marked as a duplicate of bug 193012 ***