This is the mail archive of the
gdb@sourceware.org
mailing list for the GDB project.
Re: Problems with multi-threaded application debugging
Hi Daniel,
On 5/31/07, Daniel Jacobowitz <drow@false.org> wrote:
> - sometimes when you "continue" gdb doesn't stop at a breakpoint
> inside some of the threads;
> - sometimes when you try to single step (with "next") all the threads
> run until the program exits;
I have no idea what these might be.
Yeah, I thought it was really strange and I can trigger this behavior
with a really simple application.
> - I was trying to use the scheduler-locking variable (setting it to
> "on"), but it seems I can single step on only one thread. I mean, If I
> switch to another thread and try to single step it, gdb switches back
> to the previous thread.
To be honest, I can't completely remember whether this is supposed to
happen still or supposed to be fixed. You need to be using a current
version of gdb and gdbserver, but GDB may still be doing something
wrong.
Ah, I'm sorry, I wasn't completely clear. I forgot to say that I can
trigger all those problems with gdb 6.4-debian (from Ubuntu Edgy) on a
x86 machine and also with gdb 6.6 on an ARM device. I'm not even using
gdbserver (yet).
Regards,
-- Ulisses