kgzip(1) is broken

[dteske at freebsd.org]

> -----Original Message-----
> From: owner-freebsd-hackers at freebsd.org [mailto:owner-freebsd-
> hackers at freebsd.org] On Behalf Of Xin Li
> Sent: Tuesday, January 15, 2013 2:20 PM
> To: freebsd-hackers at freebsd.org
> Subject: Re: kgzip(1) is broken
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
> 
> On 01/15/13 13:27, dteske at freebsd.org wrote:
> > Hello,
> >
> > I have been sad of-late because kgzip(1) no longer produces a
> > usable kernel.
> >
> > All versions of 9.x suffer this.
> >
> > And somewhere between 8.3-RELEASE-p1 and 8.3-RELEASE-p5 this
> > recently broke in the 8.x series.
> >
> > I haven't tried the 7 series lately, but if whatever is making the
> > rounds gets MFC'd that far back, I expect the problem to percolate
> > there too.
> >
> > The symptom is that the machine reboots immediately and
> > unexpectedly the moment the kernel is executed by the loader.
> >
> > This is quite troubling and I am looking for someone to help find
> > the culprit. I don't know where to start looking.
> 
> I think this is i386 only?  Also, are you trying to avoid loader(8)?
> 

Yes, this is i386 only.

We are using loader(8) and have not had a problem in using kgzip'd kernels from
loader(8) for any release from 4.8 to 8.3-RELEASE-p1.

It's only the 9.x releases and (now recently) 8.3-RELEASE-p5 that's exhibiting
this behavior.
-- 
Devin

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