Hi,
I got the same problem, when I run the program it works fine but as soon as I try to debug it get ... program excited with code 127.
I reinstalled the binary, this time using sudo eg. 'sudo ./qt-sdk-linux-x86-opensource-2010.02.bin' and then it worked correctly.
I suspect one must use sudo to enable 'write access' for the installation to setup the proper shared object links.
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