Date: Wed, 26 Jul 2006 07:00:38 GMT From: David Xu <davidxu@freebsd.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/100774: libthr + gdb + triggered breakpoint results in panic Message-ID: <200607260700.k6Q70cDv061184@freefall.freebsd.org>
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The following reply was made to PR kern/100774; it has been noted by GNATS. From: David Xu <davidxu@freebsd.org> To: freebsd-bugs@freebsd.org Cc: Christoph Mallon <christoph.mallon@gmx.de>, freebsd-gnats-submit@freebsd.org Subject: Re: kern/100774: libthr + gdb + triggered breakpoint results in panic Date: Wed, 26 Jul 2006 14:56:33 +0800 On Tuesday 25 July 2006 14:52, Christoph Mallon wrote: > David Xu wrote: > > On Monday 24 July 2006 19:20, Christoph Mallon wrote: > >>> Number: 100774 > >>> Category: kern > >>> Synopsis: libthr + gdb + triggered breakpoint results in panic > > > > Do you have kernel backtrace ? > > > > David Xu > > No, sorry. > I just compiled a new kernel (sources from today, 20060725) with DDB > support, but the problem doesn't occur there. > > Christoph > _______________________________________________ > This might be fixed by the change: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/i386/i386/ptrace_machdep.c.diff?r1=1.3.2.1&r2=1.3.2.2&f=h But I am not sure, though I had seen kernel crashed when debugging applications using floating-point, I doubt gdb sometimes messed mxcsr register. David Xu
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