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Date: Thu, 12 Jul 2007 00:07:00 +0200 (CEST)
From: "Gelsema, P \(Patrick\) - FreeBSD" <freebsd@superhero.nl>
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Subject: -current AMD64 unable to mount root after buildworld/kernel reboot
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Hi,

I have got the following issue.

I have installed Current June AMD64 snapshot without any issues. I can
reboot and the machine comes back up without any issues.

/etc/make.conf is copied from /usr/share/examples/etc/make.conf and the
only changed made are:
cputype?=athlon64
cflags= -O2 -fno-strict-aliasing -pipe (only removed the # in front of the
line)
coptflags=-O -pipe (only removed the # in front of the line)

and the settings regarding cvsup are enabled. yes and
cvsup3.nl.freebsd.org, and only the standard-cvsupfile is uncommented.

using the /usr/share/examples/cvsup/standard-supfile with no changes.

First thing I do is a make update (as of this evening) after which I
execute the following commands;

#chflags -R noschg /usr/obj
#rm -rf /usr/obj
#make cleandir
#make cleandir
#make -j8 buildworld
#make -j8 buildkernel
#make -j8 installkernel
#make -j8 installworld
#mergemaster
#shutdown -r now

After this the machine reboots, starts FreeBSD and detects everything as
it ought to. However the moment it tries to mount root from
ufs:/dev/da0s1a it seems to fail and asks for;

manual root filesystem specification. When I type in manually
ufs:/dev/da0s1a it continues with the following error;

ELF interpreter /libexec/ld-elf.so.1 not found
init: /bin/sh on /etc/rc terminated abnormally, going to single user mode.
Enter full pathname of shell or RETURN for /bin/sh.

Hitting enter I get;
ELF interpreter /libexec/ld-elf.so.1 not found
init: single user shell terminated, restarting.
Enter full pathname of shell or RETURN for /bin/sh.

When rebooting with kernel.old everything goes ok and I am able to log on.

Any help much appreciated.

Rgds,

Patrick