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Re: problems with gdb


Mark Kettenis wrote:
> 
>    Sender: blizzard@redhat.com
>    Date: Fri, 18 Feb 2000 14:53:36 -0500
>    From: Chris Blizzard <blizzard@redhat.com>
>    X-Accept-Language: en
>    CC: blizzard@mozilla.org, gdb@sourceware.cygnus.com
>    Content-Type: text/plain; charset=us-ascii
> 
>    Mark Kettenis wrote:
>    >
>    > I cannot reproduce this (in both cases).  This might be caused by the
>    > fact that I am running a glibc-2.1.3 snapshot (which includes the
>    > libthread_db.so.1 debugging library).  Or my machine isn't fast enough
>    > to show the problem :-(.
> 
>    When you say "in both cases" do you mean with and without the patch?  I have
>    that on my system, too.  Is there anything special I have to do to use it?
> 
> Sorry, by both cases I mean that both your test case and the test case
> that Jim reported back in october.  But without Tom's patch.  Maybe I
> should try it with Tom's patch.  The fact that the SIGTRAP problem
> isn't exactly reproducable indicates that it might be a race condition
> of some sort.  Speeding up symbol lookup might have an influence on
> it.
> 
> As for the libthread_db support.  Any GDB based on a snapshot made in
> 2000 should automagically use it (but dpending on the glibc version,
> your GDB will crash on debugging multithreaded programs if you don't
> apply the right patches).  To be sure, debug GDB unser GDB and see if
> it has loaded libthread_db.so.1.

I think that the version that I have is based on a snapshot from 19991004. 
Jim should know more.  Jim?

--Chris

-- 
------------
Christopher Blizzard
http://people.redhat.com/blizzard/
I think the mistake a lot of us make is thinking the state-appointed
psychiatrist is our "friend."
------------

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