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Thread: QT Apps deployed in IOS8 crash

  1. #1
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    Default QT Apps deployed in IOS8 crash

    Hi there

    I couldn't find an existing topic for this but I have just updated my test iPhone to IOS8. All QT applications that I deploy to my iPhone now crash instantly on load. All worked well when deployed onto a 7.1 based device. Any Ideas?

    QT Version Info:

    Qt Creator 3.1.2 (opensource)
    Based on Qt 5.3.1 (Clang 5.0 (Apple), 64 bit)
    Built on Jun 23 2014 at 04:15:49
    From revision a791e851a7

    IOS Version: 8.0 (12A365)

    Below is the output from a really simple little QML based QTQuick application as it crashes:


    QML debugging is enabled. Only use this in a safe environment.
    ASSERT: "CFNumberIsFloatType(weightValue)" in file fontdatabases/mac/qcoretextfontdatabase.mm, line 247
    program received signal 6, thread:1d9b4;qaddr:34a28ad0;00:00000000;01:0000000 0;02:00000000;03:ff0f0000;04:06000000;05:dc89a234; 06:a05a6402;07:ec1c6402;08:00000000;09:dc89a234;0a :c8e85314;0b:46420f00;0c:48010000;0d:e01c6402;0e:3 71d3f32;0f:fc3d3732;10:10000000;metype:5;mecount:2 ;medata:10003;medata:6;
    program received signal 6, thread:1d9b4;qaddr:34a28ad0;00:00000000;01:0000000 0;02:00000000;03:ffffffff;04:06000000;05:dc89a234; 06:a05a6402;07:cc1c6402;08:00000000;09:51d83e32;0a :c8e85314;0b:46420f00;0c:48010000;0d:c01c6402;0e:3 71d3f32;0f:fc3d3732;10:10000000;metype:5;mecount:2 ;medata:10003;medata:6;
    program received signal 5, thread:1d9b4;qaddr:34a28ad0;00:00000000;01:0000000 0;02:00000000;03:01000000;04:dc1c6402;05:ffffffff; 06:a05a6402;07:ec1c6402;08:00000000;09:51d83e32;0a :c8e85314;0b:46420f00;0c:30000000;0d:d41c6402;0e:7 b393132;0f:7a393132;10:30000040;metype:6;mecount:2 ;medata:1;medata:defe;
    program received signal 5, thread:1d9b4;qaddr:34a28ad0;00:00000000;01:0000000 0;02:00000000;03:01000000;04:dc1c6402;05:ffffffff; 06:a05a6402;07:ec1c6402;08:00000000;09:51d83e32;0a :c8e85314;0b:46420f00;0c:30000000;0d:d41c6402;0e:7 b393132;0f:7a393132;10:30000040;metype:6;mecount:2 ;medata:1;medata:defe;
    program received signal 5, thread:1d9b4;qaddr:34a28ad0;00:00000000;01:0000000 0;02:00000000;03:01000000;04:dc1c6402;05:ffffffff; 06:a05a6402;07:ec1c6402;08:00000000;09:51d83e32;0a :c8e85314;0b:46420f00;0c:30000000;0d:d41c6402;0e:7 b393132;0f:7a393132;10:30000040;metype:6;mecount:2 ;medata:1;medata:defe;
    program received signal 5, thread:1d9b4;qaddr:34a28ad0;00:00000000;01:0000000 0;02:00000000;03:01000000;04:dc1c6402;05:ffffffff; 06:a05a6402;07:ec1c6402;08:00000000;09:51d83e32;0a :c8e85314;0b:46420f00;0c:30000000;0d:d41c6402;0e:7 b393132;0f:7a393132;10:30000040;metype:6;mecount:2 ;medata:1;medata:defe;
    hit maximum number of consecutive signals, stopping

    Thanks in advance
    Stretchy

  2. #2
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    Default Re: QT Apps deployed in IOS8 crash

    I too encountered the given assert failure this morning, after updating XCode to 6.0.1 (6A317). An internet search yielded this recent patch ("remove numeric asserts"). This inspired me to uninstall Qt, then re-install a fresh download, which appears to have worked.

  3. The following user says thank you to Urthas for this useful post:

    stretch1790 (19th September 2014)

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    Default Re: QT Apps deployed in IOS8 crash

    I just checked that I have the same problem.
    As Urthas suggests, I'm downloading the latest version of Qt (5.3.2).
    Thanks

  5. The following user says thank you to fpelliccioni for this useful post:

    stretch1790 (22nd September 2014)

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    Default Re: QT Apps deployed in IOS8 crash

    Thanks Guys, Updating to 5.3.2 fixed the above issue for me.

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