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Date: Mon, 14 May 2007 00:55:03 -0700
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: Dag-Erling Sm??rgrav <des@des.no>, g@troutmask.apl.washington.edu
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Cc: Ricardo Nabinger Sanchez <rnsanchez@wait4.org>, freebsd-current@freebsd.org
Subject: Re: Process for requesting reverting patch?
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On Mon, May 14, 2007 at 09:54:05AM +0200, Dag-Erling Sm??rgrav wrote:
> Steve Kargl <sgk@troutmask.apl.washington.edu> writes:
> > "Dag-Erling Sm??rgrav" <des@des.no> writes:
> > > "tcsh hangs when invoked from gdb"?
> > >
> > > gdb uses ptrace(2), which breaks the process hierarchy - the debugged
> > > process is reparented to gdb.  When the debugged process forks and gdb
> > > attaches to the child, the child will seem - from the parent's
> > > perspective - to disappear into thin air.
> > >
> > > This has never worked correctly in FreeBSD and is completely unrelated
> > > to tcsh, so you can get off mp@'s back already.
> > >
> > > Fixing it is hard.  I've tried.  It seems easy until you realize that
> > > you need to rewrite most of kern_wait().
> > des, get off your high horse!
> >
> > gdb has always worked for me until the recent import of tcsh.
> >
> > I've use the freebsd base system gdb(1) for nearly 15 years
> > without problems.  The recent tcsh import has broken gdb.  If you
> > can fix it, fine; otherwise, crawl back under your rock.
> 
> OK, keep telling yourself that, and good luck with your life.
> 

Sigh.  mp@ has already verified that the problem with gdb and
tcsh occurs.  

Were you born stupid or did your have to work at it?

-- 
Steve