[Lazarus] Status of GDB and Lazarus/FPC debugging threaded apps

[Petr Hlozek]

I had the same problem and solved it by using DebugLn from lclproc unit.
It is uncomfortable but is is working. Or just using a few Writeln and 
run program from console to see what is happening.

Petr

Dne 10.1.2011 15:41, Andrew Brunner napsal(a):
> Debugging under Linux (Ubuntu) is the largest development pain, and
> has persisted since I started cross platform development with
> FPC/Lazarus.  I was wondering what if anything could be done to get a
> bug report together and submit something to either GDB or X.org, or
> identify the source of the problem and resolve it so we can debug
> without having to restart the desktop manager.
>
> Recently, main threaded debugging doesn't crash the gdm but threading
> still does.  If I set a break point for a threaded method, I can step
> two or three lines down/deep before the desktop manager hangs and I
> have to open a terminal session with ctrl+alt+F2 and sudo service gdm
> restart.
>
> What would be involved in running the GDM under debugger and seeing
> where in the world it crashed?  Is this too big of a task?
>
> I noticed GDB has done some updating w/r/t FPC in the past and was
> wondering whose responsibility this might fall on.  It seems to me
> like this problem is way beyond the scope of Lazarus or FPC but I hope
> with some noise we possibly could get some stability while debugging
> threaded apps.
>
> Anyone want to help?
>
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