RE: [uml-devel] DDD 3.3.1 + UML_2.4.24 - can't debug

["Pedro Estrela" <pedro.estrela@inesc.pt>]

Thanks again for your help!

> > Back to my original problem: using ddd, with both "debug" or
> > "debug=parent" options the result is always this:
> > GNU DDD 3.3.1 (i686-pc-linux-gnu), by Dorothea L(gdb) run
> > ubd0=../Debian-3.0r0.ext2 debug gdb-pid=7343
> > Program received signal SIGTRAP, Trace/breakpoint trap.
> > 0xa000b000 in _start () at af_packet.c:1900
> > /root/linux-2.4.24/net/packet/af_packet.c:1900:42852:beg:0xa000b000
> > (gdb) att 1
> > ptrace: Operation not permitted.
> > (gdb) c
> > The program is not being run.
> 
> And you are positively sure 7343 is the pid of the gdb process below
ddd
> and not the pid of ddd or another process on your system?

Yes, I've triple checked several times on that. I've also checked on two
different environments (Debian 3.0 without root access, RH80 with root
access) and the results are always these explained on my emails.

> > In this situation, I would ask very politely if someone who have ddd
> > working to help me, possibly by recreating this simple environment,
as
> > I'm totally stuck.
> 
> ddd seems to work here with debug=parent gdb-pid=<pid-of-gdb>
> 
> it does not work with debug gdb-pid=<pid-of-gdb>. If I use this then
the
> gdb subprocess gets killed... (defunct in ps listing)
This kind of behaviour has never happened to me.

> This is on a RH7.3 kind of host with ddd-3.3.1-13. Linux-2.4.26-rc2
UML
> kernel (2.4.24-um1 patch I think.. current CVS tree of UML).
I have linux 2.4.24 + uml 2.4.24-1 (from download page) + ddd 3.3.1

As such, I would ask anyone for a brief help; I'm getting nuts with this
subject: Please download these components, and verify the
success/insuccess of DDD + UML.

Best Regards
Pedro Estrela





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