Date: Mon, 21 Aug 2006 13:09:40 -0400 From: John Baldwin <jhb@freebsd.org> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: amd64@freebsd.org Subject: Re: linux32 breakage in current.. Message-ID: <200608211309.40737.jhb@freebsd.org> In-Reply-To: <20060818223653.GA5626@troutmask.apl.washington.edu> References: <200608151701.46724.jhb@freebsd.org> <200608181700.25539.jhb@freebsd.org> <20060818223653.GA5626@troutmask.apl.washington.edu>
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On Friday 18 August 2006 18:36, Steve Kargl wrote: > On Fri, Aug 18, 2006 at 05:00:25PM -0400, John Baldwin wrote: > > On Wednesday 16 August 2006 13:54, Steve Kargl wrote: > > > On Tue, Aug 15, 2006 at 05:04:24PM -0700, Steve Kargl wrote: > > > > > > > > Oh crap, this is more complicated than I thought > > > > With a kernel built from 2006.08.06.12.00.00 sources, > > > > I'm seeing the classic race condition for locking > > > > > > > > troutmask:kargl[201] acroread church.pdf > > > > Segmentation fault (core dumped) > > > > troutmask:kargl[202] acroread church.pdf <-- This one worked. > > > > troutmask:kargl[203] acroread church.pdf > > > > Segmentation fault (core dumped) > > > > troutmask:kargl[204] acroread church.pdf > > > > Segmentation fault (core dumped) > > > > troutmask:kargl[205] acroread church.pdf <-- This one worked. > > > > troutmask:kargl[206] > > > > > > > > I'll see if I can dig deeper. > > > > > > > > > > The problem appears as early as 01 Aug 06 sources. Out of 16 > > > attempts to run acroread, 5 die with a segfault. It is actually > > > the linux version of bash that drops core. > > > > Ok. Can you walk it back further? > > > > I've gone as far back as 15 Jul 06, and the problem is still > there. I ran out of time to go back to earlier versions. I'll > try again on Monday. Wow, thanks! -- John Baldwin
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