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 Cc: Ricardo Nabinger Sanchez <rnsanchez@wait4.org>, freebsd-current@freebsd.org Subject: Re: Process for requesting reverting patch? Message-ID: <20070514075457.GA2873@troutmask.apl.washington.edu> In-Reply-To: <86hcqfx2le.fsf@dwp.des.no> References: <86646wzfv0.fsf@dwp.des.no> <20070513192836.GA94258@troutmask.apl.washington.edu> <46478626.9060301@FreeBSD.org> <20070513230055.1dbd22f5.rnsanchez@wait4.org> <20070514020635.GA99892@troutmask.apl.washington.edu> <20070514022620.GA52887@nagual.pp.ru> <20070514024316.GA197@troutmask.apl.washington.edu> <86ps53x3ci.fsf@dwp.des.no> <20070514074630.GA2818@troutmask.apl.washington.edu> <86hcqfx2le.fsf@dwp.des.no>
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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
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