Is this information correct?
Daniel Jacobowitz
drow@mvista.com
Mon May 27 11:07:00 GMT 2002
On Mon, May 27, 2002 at 02:20:06PM +0200, Carlo Wood wrote:
> In the next release of libcwd (http://libcwd.sourceforge.net)
> I will add the information below.
>
> Because this will reach a few hunderd C++ developers, I wanted
> to check with you if this information is correct in your eyes.
> Any improvement is welcomed.
>
> -------
> A core dump produced by a kernel 2.4 does not
> contain enough information for gdb to debug all
> threads. Only the core dumping thread is dumped
> and the other threads continue to run for a while.
> There exists a kernel patch written by Intel/IBM
> that fixes this problem; please read
> http://www.apachelabs.org/lkml/200203.mbox/%3c20020315170726.A3405@in.ibm.com%3e
> or
> http://www.uwsg.iu.edu/hypermail/linux/kernel/0203.1/0963.html
This part's fine.
> You are strongly advised to use gdb 5.2 for multithreaded
> debugging; however, it may be possible that the released
> gdb 5.2 is not capable of reading the debug information
> that is used by gcc 3.1, I heard (libcwd needed to be fixed
> too), the latest CVS version of gdb works though.
What's this part about though? I think it's really referring to gdb
5.1 instead. 5.2 should be fine.
> Be aware that gdb does hardly support namespaces and
> will therefore frequently not find types or variables
> in namespaces. It doesn't look like that this will be
> fixed very soon (2002-05-27).
> --------
>
> --
> Carlo Wood <carlo@alinoe.com>
--
Daniel Jacobowitz Carnegie Mellon University
MontaVista Software Debian GNU/Linux Developer
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