On Sun, 17 Mar 2002, Alfred Perlstein wrote:
> * Munehiro Matsuda <haro@h4.dion.ne.jp> [020317 06:36] wrote:
> >
> > PS. I got another message that happend when I ^C'ed a buildworld earlier,
> > with same kernel. May be it should go to Alfred Perlstein?
> >
> > lock order reversal
> > 1st 0xc198eec0 pipe mutex @ ../../../kern/sys_pipe.c:779
> > 2nd 0xc0367fe0 Giant @ ../../../i386/i386/trap.c:716
>
> I think there's a place where the pipe can fault on an address while
> copying, I'll take a look at this.
Are there any assertions that should be in place for copyin/copyout
requring fault handling? It sounds like somewhere we need to assert that
Giant is held...
Robert N M Watson FreeBSD Core Team, TrustedBSD Project
robert@fledge.watson.org NAI Labs, Safeport Network Services
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