29542 2009-09-21 05:01:04 -0700 [Qt] Mac OS X: JavaScriptCore crashes when running Tiger binary on Leopard 2010-04-06 05:55:03 -0700 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) Other OS X 10.5 RESOLVED DUPLICATE 34888 Qt P2 Critical --- 29538 1 vestbo webkit-qt-unassigned kent.hansen oldest_to_newest 148629 0 vestbo 2009-09-21 05:01:04 -0700 This bug report originated from Nokia internal issue QT-674 --- Description --- in Collector.cpp, vm_map returns NULL address. 199072 1 kent.hansen 2010-03-12 08:36:53 -0800 The fix for https://bugs.webkit.org/show_bug.cgi?id=34888 should also help with this. _But_ you still need to explicitly target Leopard; it's currently not possible to build a binary that's going to work on both Tiger and Leopard. I think we would need a Qt-specific patch if we want to support that (i.e. disable the VM-tagging altogether somehow, or fall back to lowest common denominator allocation scheme). 209004 2 kent.hansen 2010-04-06 05:55:03 -0700 *** This bug has been marked as a duplicate of bug 34888 ***