Weird crashes on Mac using Qt 5.2.1?



  • We are developing a cross platform application using Qt 5.2.1 and recently we are seeing a large number of crashes on Mac with callstack that appears to have crashed in Mac API. The crashes seem to happen after user dismissed a window in our app but we have no luck reproducing the issue so far. Wondering if this is a known bug in 5.2.1? The user is running Mac OSX 10.9.

    "2 libsystem_platform.dylib 0x95cbbdeb _sigtramp + 43",
    "3 ??? 0xffffffff 0x0 + 4294967295",
    "4 libsystem_c.dylib 0x98ce729c abort + 155",
    "5 libsystem_malloc.dylib 0x985abdab malloc_get_zone_name + 0",
    "6 Foundation 0x942d1a57 NSZoneFree + 33",
    "7 AppKit 0x924ddda7 trackInfoRelease + 30",
    "8 CoreFoundation 0x94b1a932 __CFBasicHashDrain + 450",
    "9 CoreFoundation 0x94b1a744 __CFBasicHashDeallocate + 52",
    "10 CoreFoundation 0x94b0a09a CFRelease + 986",
    "11 AppKit 0x9260c5cb -[NSWindow dealloc] + 1772",
    "12 AppKit 0x923ad6d6 -[NSWindow release] + 198",
    "13 Foundation 0x943170c1 __delayedPerformCleanup + 53",
    "14 CoreFoundation 0x94baafe3 CFRunLoopTimerInvalidate + 643",
    "15 CoreFoundation 0x94baf8a1 __CFRunLoopDoTimer + 1457",
    "16 CoreFoundation 0x94c2a06d __CFRunLoopDoTimers + 349",
    "17 CoreFoundation 0x94b67353 __CFRunLoopRun + 1779",
    "18 CoreFoundation 0x94b669ea CFRunLoopRunSpecific + 394",
    "19 CoreFoundation 0x94b6684b CFRunLoopRunInMode + 123",
    "20 HIToolbox 0x9725cb5d RunCurrentEventLoopInMode + 259",
    "21 HIToolbox 0x9725c777 ReceiveNextEventCommon + 163",
    "22 HIToolbox 0x9725c6bd _BlockUntilNextEventMatchingListInModeWithFilter + 92",
    "23 AppKit 0x9238d349 _DPSNextEvent + 1602",
    "24 AppKit 0x9238c870 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 119",
    "25 AppKit 0x9237f15c -[NSApplication run] + 727",
    "26 libqcocoa.dylib 0x0791a935 QCocoaEventDispatcher::processEvents(QFlagsQEventLoop::ProcessEventsFlag) + 2261",
    "27 QtCore 0x01a48781 QEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) + 417",
    "28 QtCore 0x01a4b726 QCoreApplication::exec() + 342",

    Thuan


  • Lifetime Qt Champion

    Hi and welcome to devnet,

    To search a bug, you should go to the bug report system

    Does the error report dialog give some more information about the crash ?


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