Qt creator close when application running

[NMMA]

I use Qt 4.6.2 on fedora "linux"

when I tried to run or debug my program Qt creator close at specific point.

this section of code make long while loop and use huge memory allocated.

I do many calculation before this section and also many while loop

Is there problem in Qt?

[divanov]

Did you try to run application from command line? Do you observe the same?

[NMMA]

How to run it from command line?

[divanov]

./binary_name

[NMMA]

I run it from commandline and it show me message "process killed"

[divanov]

I run it from commandline and it show me message "process killed"

So could we conclude that the problem is not related to Qt Creator?

[NMMA]

ok..thanx for ur reply

can you suggest any profiler to discover what happen at this point?

when i run system monitor it shows huge memory consumption

I test this application on windows and it works very well.

[divanov]

You can use Valgrind's memcheck tool, for example. It also has GUI front-ends http://valgrind.org/downloads/guis.html

[danhicksbyron]

Check the logs carefully for "Assertion failure".

If that doesn't help then you do it the old fashioned way -- divide and conquer with print statements.

[danhicksbyron]

Or, under the Qt Creator debugger put a stop on method "qFatal".

[divanov]

Check the logs carefully for "Assertion failure".

If that doesn't help then you do it the old fashioned way -- divide and conquer with print statements.

If it says process was killed, then it was killed by oom killer because using way too much memory.