kgzip(1) is broken

[Devin Teske]

> -----Original Message-----
> From: Devin Teske [mailto:devin.teske at fisglobal.com] On Behalf Of
> dteske at freebsd.org
> Sent: Tuesday, January 15, 2013 3:10 PM
> To: 'Ian Lepore'
> Cc: freebsd-hackers at freebsd.org; dteske at freebsd.org
> Subject: RE: kgzip(1) is broken
> 
> 
> 
> > -----Original Message-----
> > From: Ian Lepore [mailto:freebsd at damnhippie.dyndns.org]
> > Sent: Tuesday, January 15, 2013 3:05 PM
> > To: dteske at freebsd.org
> > Cc: freebsd-hackers at freebsd.org
> > Subject: Re: kgzip(1) is broken
> >
> > On Tue, 2013-01-15 at 13:27 -0800, 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.
> >
> > Here are some possible candidates from the things that were MFC'd to 8
> > in that timeframe.  I haven't looked at what these do, they're just
> > changes that affect files related to booting.
> >
> > r233211
> > r233377
> > r233469
> > r234563
> >
> 
> Thanks Ian!
> 
> I'll test each one individually to see if regressing any one (or all)
addresses
> the problem.

Progress...

Looks like I found the culprit.

Turns out it's a back-ported bxe(4) driver (back-ported from 9 -- where kgzip
seems to never work).

I wonder why back-porting bxe(4) from stable/9 to releng/8.3 would cause kgzip
to produce non-working kernels.

I'm emailing the maintainers (davidch + other Broadcom folk)
-- 
Devin

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