I wrote a text mode batch C++ program that since today is giving me some troubles.
- The executable worked correctly and it did not change.
- The environment did not change; not even a reboot.
- When I launch the program from a certain console, everything is fine.
- When I launch the program from a new console, everything still works, but I get just the first two lines on the log file, even if the execution completes.
- The parameters passed to the executable are the same.
- The executable does not interact with the console in any way.
- The two consoles’ environment variables are the same.
- When run from a remote computer as root, everything is fine, the log file is complete.
- When logged in again with my user, from another session, everything is fine again.
- When logging out and in again, everything is fine again.
So, could it be the from a certain instant on, the new consoles had some issues that caused this problem?
Could this be a problem of my Linux installation?
Or, more realistically, could the problem depend on my program?
Thank you!
Environment:
– Linux OpenSuse 11.4
– gcc 4.5.1
Here is another tool to throw into your debugging toolbox.
Try the command ‘reset’ — read the man page for details.
In short, it resets the console to a known state. It is … possible that your log files may contain control characters that try to interact with tty causing hard-to-trace problems.
You might also want to look at the command ‘script’ which captures all console activity to at et file for examination.