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From: Mel Flynn <mel.flynn+fbsd.current@mailing.thruhere.net>
To: freebsd-current@freebsd.org
Date: Fri, 7 Aug 2009 11:11:26 -0800
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References: <4A7C7220.2090309@mykitchentable.net>
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Cc: Drew Tomlinson <drew@mykitchentable.net>
Subject: Re: [Fwd: How To Recover From Missing /lib/libc.so.7?]
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On Friday 07 August 2009 10:27:44 Drew Tomlinson wrote:
> I was running FreeBSD8.0-BETA2 amd64 and attempted to upgrade with
> current sources as of yesterday (8/6/09). I successfully built world and
> kernel, and installed the kernel. However when I attempted to install
> world, I got this error:
>
> ===> lib/libc (install)
> install -C -o root -g wheel -m 444   libc.a /usr/lib
> install -C -o root -g wheel -m 444   libc_p.a /usr/lib
> install -s -o root -g wheel -m 444   -fschg -S  libc.so.7 /lib
> install: /lib/libc.so.7: chflags: Invalid argument
> *** Error code 71
>
> Stop in /usr/src/lib/libc.
> *** Error code 1
>
>
> And now I can't do anything as every command fails with:
>
> /libexec/ld-elf.so.1: Shared object "libc.so.7" not found
>
> How can I recover from this error?

I assume you're running zfs? You should be able to run commands by setting 
LD_LIBRARY_PATH=/usr/obj/usr/src/lib/libc.
-- 
Mel