IOS adhoc displays black screen after launch

Hi,
my iOS application displays black screen after slash screen.nothing happens and couldn't see any proper errors on debug utility.
I can build adhoc using flash builder and it's works fine but problem occurs when I create ipa using dumped config file on command line(ant)
I'm using flex sdk 4.6 and AirSDK 15.0(overladed) .my application includes few native extensions.
mxmlc
mxmlc -load-config app-config.xml src/mobapp.mxml -output myapp.swf
adt
<target name="build-release-adhoc-package-ipa">
    <echo>::building captive-runtime release-adhoc ipa..</echo>
    <exec executable="${FLEX_BIN}/adt" failonerror="true">
        <arg line="-package" />
        <arg line="-target ipa-ad-hoc" />
        <arg line="-storetype pkcs12" />
        <arg line="-keystore ${provision.dir}/release-adhoc.p12" />
        <arg line="-storepass 12345" />
        <arg line="-provisioning-profile ${provision.dir}/release_adhoc.mobileprovision" />
        <arg line="${adhoc.dir}/ios-adhoc.ipa" />
        <arg line="${src}/mobapp-app.xml" />
        <arg line="myapp.swf" />
        <arg line="${icon.dir}/applicationIcon16.png" />
        <arg line="${icon.dir}/applicationIcon32.png" />
        <arg line="${icon.dir}/applicationIcon36.png" />
        <arg line="${icon.dir}/applicationIcon48.png" />
        <arg line="${icon.dir}/applicationIcon57.png" />
        <arg line="${icon.dir}/applicationIcon72.png" />
        <arg line="${icon.dir}/applicationIcon76.png" />
        <arg line="${icon.dir}/applicationIcon114.png" />
        <arg line="${icon.dir}/applicationIcon120.png" />
        <arg line="${icon.dir}/applicationIcon128.png" />
        <arg line="${icon.dir}/applicationIcon152.png" />
        <arg line="${base.dir}/[email protected]" />
        <arg line="-extdir ${src}/ane" />
        <arg line="-platformsdk /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPh oneOS.sdk" />
    </exec>
    </target>
please help.

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I have been reading the archlinux wiki and forums since I started using arch several years ago. It was always possible to solve the problems I ran into by consulting these webpages, therefore a big thanks to the community for the provided help.
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Using kernel parameters
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Masking backlight
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Nothing of the above was improving the situation.
Your help on the problem would be highly appreciated.
Best regards
mgs
Last edited by mgs (2014-10-27 10:15:11)

Hello Trilby,
thanks for the reply.
Trilby wrote:If nomodeset worked with the installation medium, why haven't you tried that for the same problem on your installed system?
The kernel parameter 'nomodeset' results in a working display but without X support, due to the fact that with 'nomodeset' there is no KMS support and therefore no X. But nevertheless I tried it and as expected X did not start.
Trilby wrote:Could you also post information about your graphics card and what drivers you've installed.
The graphics card is a Radeon HD 2700 and according to the above dmesg log it is recognized as RV 630. The radeon module is loaded via /etc/mkinitcpio.conf and xf86-video-ati (1:7.5.0-1) is installed.
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Best regards
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****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
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