Mac OS X
Intermittent crash in test_0081_error_patchApplyFailure_partial_only.xul, test_0036_available_incompat_basic_license_addons.xul, browser_500328.js [@ ReleaseSliceNow(unsigned int, void*)] (top frame sometimes [@ 0x7eec] or [@ 0x300000004])
XPConnect