[fpc-devel] Re: Ubuntu 9.10 x64 AMD Debugging multi-threaded system impossible

Anton Kavalenka anton.k at tut.by
Wed Feb 3 19:02:44 CET 2010

Jonas Maebe wrote:
> On 03 Feb 2010, at 04:57, Jonathan wrote:
>> Andrew Brunner <andrew.t.brunner at gmail.com> wrote:
>>> Problem solved: Project options for debugging (at least under Ubuntu
>>> x64) required extra information file...
>>> Project Options,
>>> Compiler Options,
>>> Linking,
>>> Debugging: Check Use external gdb debug symbols file (-Xg)
>>> Fixed my GDB resulting in X-Windows desktop manager crash for Ubuntu
>>> X64 on trace.
>> That is good to know, I was using the guide at 
>> http://wiki.lazarus.freepascal.org/Multithreaded_Application_Tutorial.
>> Maybe you could update it please?
> If you do so, please only mention it is as a tip that apparently might 
> help if you have problems. There is no reason why using an external 
> debug file should make any difference whatsoever, regardless of 
> whether you are debugging a single or multi-threaded program.
> Jonas
> _______________________________________________
> fpc-devel maillist  -  fpc-devel at lists.freepascal.org
> http://lists.freepascal.org/mailman/listinfo/fpc-devel
Dear FPC-All

Debugging in GTK2-Linux of multithreaded GUI is a pain.
Some notes:
I have debugged with Eclipse C++ .so with LCL application as host, 
Eclipse hangs as well.
and entire X stops responding  (seems like X event loop was blocked).
Switching to Text console and killing host application brings desktop to 
life, but this did not help in debugging :-(

Regards, Anton

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