4.5-STABLE crash and burn

Grzegorz Czaplinski G.Czaplinski at prioris.mini.pw.edu.pl
Wed Aug 13 14:41:18 PDT 2003

On Wed, Aug 13, 2003 at 03:24:21PM -0600, acc at anthonychavez.org wrote:
> Friends:
> I've got a serious situation here.  I've got a 4.5-STABLE machine that
> boots with the following messages:
> Mounting root from ufs:/dev/ar0s1a
> WARNING: / was not properly dismounted
> exec /sbin/init: error 20
> exec /sbin/oinit: error 20
> exec /sbin/init.bak: error 20
> /stand/sysinstall running as init on vty0
> As you can see it dumps me into sysinstall, which pops up with "Cannot
> mount /tmp/.doc: read-only filesystem."
> So I start a holographic shell:
> # /sbin/mount -fuw /
> /sbin/mount: not found
> # ls /sbin
> ls: /sbin: Bad file descriptor
> So I start in single-user mode, which just dumps me back into sysinstall
> again.
> This is ~not~ good.  Pretty much the heart of the business (database,
> DHCP, DNS and other important services) lives on this machine.  So I
> would very much appreciate any help that anyone could offer, and of
> course, the sooner the better!

This looks very bad.
Have you tried to take the drive off and work on it from another
system? Try to run fsck on it, but I would not encourage you to use "-y"
switch. I saw once a similar message on Solaris 8. My friend booted the
system from a cd, went to single user mode and run "fsck -y". After
that, we finished with the whole / (there was only one file system)
in /lost+found dir. That was the end.

Grzegorz Czaplinski <gregory at prioris.mini.pw.edu.pl>
"The Power to Serve, Right for the Power Users!" - http://www.FreeBSD.org/
 Fingerprint: EB77 E19D CFA2 5736 810F  847C A70F A275 2489 469F
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