Date: Thu, 26 Feb 2004 17:22:33 -0800 From: Brooks Davis <brooks@one-eyed-alien.net> To: Ruslan Ermilov <ru@freebsd.org> Cc: current@freebsd.org Subject: Re: pxeloader problem: BTX halted Message-ID: <20040227012233.GA25598@Odin.AC.HMC.Edu> In-Reply-To: <20040220085606.GA28677@ip.net.ua> References: <Pine.BSF.4.53.0402151048540.4375@e0-0.zab2.int.zabbadoz.net> <200402180859.59763.jhb@FreeBSD.org> <20040219112126.GB8950@ip.net.ua> <200402190930.53205.jhb@FreeBSD.org> <20040220085606.GA28677@ip.net.ua>
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On Fri, Feb 20, 2004 at 10:56:06AM +0200, Ruslan Ermilov wrote:
> On Thu, Feb 19, 2004 at 09:30:53AM -0500, John Baldwin wrote:
> > On Thursday 19 February 2004 06:21 am, Ruslan Ermilov wrote:
> > > On Wed, Feb 18, 2004 at 08:59:59AM -0500, John Baldwin wrote:
> > > > On Sunday 15 February 2004 05:54 am, Bjoern A. Zeeb wrote:
> > > > > Hi,
> > > > >
> > > > > I have a problem with latest pxeboot which seems to "crash". The =
only
> > > > > thing I could read on the screen (no serial console at that point=
) had
> > > > > been
> > > > >
> > > > > <some register dump>
> > > > > BTX halted
> > > > >
> > > > > this seems to be in sys/boot/i386/btx/btx/btx.S
> > > > >
> > > > > I have set following in make.conf:
> > > > >
> > > > > LOADER_TFTP_SUPPORT=3D YES
> > > > > LOADER_BZIP2_SUPPORT=3D YES
> > > > > NOFORTH=3D YES
> > > > >
> > > > > There is no keyboard attached.
> > > > >
> > > > > The last pxeboot I had been using had been from 20040125.
> > > > >
> > > > > anyone any ideas - any patch to try ?
> > > >
> > > > Try again with newer sources as I think ru@ has fixed a bug in his
> > > > renaming of the asm files in the bootstrap.
> > >
> > > That wasn't a bug, just a small timeframe between repocopies
> > > and necessary changes. There was a bug in kgzldr though, where
> > > I mistakenly cause the kgzldr.o to be stripped when installing
> > > to /usr/lib. This has been causing problems for release snapshots
> > > where loader(8) is kgzipped.
> >=20
> > Well, the above report is a bug that needs to be fixed then. :( *sigh*
> >=20
> Guys, I've verified that with my changes to sys/boot/ makefiles
> I get the same binaries as before (modulo three byte difference
> from the vers.c stuff) for both loader{.sym,.bin,} and pxeboot,
> after doing some minor mods to current versions of makefiles so
> that btxcrt.o and vers.o are linked in the same order as they
> did before. So should this issue exist (sorry, I cannot verify
> the PXE booting at the moment), it must be elsewhere and doesn't
> relate to my work in sys/boot/ makefiles.
>=20
> Bjoern, I recall John was doing some work in libstand recently.
> Can you see if reverting to the 2004/01/15 (GMT) version of
> libstand cures your problem?
This commit broke PXE booting:
-----
ru 2004/02/09 06:11:58 PST
FreeBSD src repository
Modified files:
sys/boot/i386 Makefile.inc
sys/boot/i386/boot0 Makefile
sys/boot/i386/boot2 Makefile
sys/boot/i386/btx/btx Makefile
sys/boot/i386/btx/btxldr Makefile
sys/boot/i386/btx/lib Makefile
sys/boot/i386/cdboot Makefile
sys/boot/i386/kgzldr Makefile
sys/boot/i386/loader Makefile
sys/boot/i386/mbr Makefile
sys/boot/i386/pxeldr Makefile
Log:
- Factor out -nostdlib to an upper level Makefile.inc.
=20
- Now that bsd.prog.mk deals with programs linked with -nostdlib
better, and has a notion of an "internal" program, use PROG
where possible. This has a good impact on the contents of
.depend files and causes programs to be linked with cc(1).
XXX: boot2 couldn't be converted as it's actually two programs.
Tested on: i386, amd64
-----
I verified this with a binary search using perforce syncing against a
local checkout of //depot/vendor/freebsd/src/. At 2004/02/09:06:15
pxeldr works. At 2004/02/09:06:16 it dies. The only files that change
in this time frame are these files in sys/boot.
Specifically the problem is rev 1.73 of sys/boot/i386/loader/Makefile. A
tip of tree checkout with rev 1.73 removed PE boots.
-- Brooks
--=20
Any statement of the form "X is the one, true Y" is FALSE.
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