From owner-freebsd-current@FreeBSD.ORG  Mon Feb 23 05:37:12 2004
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To: Jiri Mikulas <konfer@mikulas.com>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Mon, 23 Feb 2004 14:33:15 +0100."
             <403A011B.9090007@mikulas.com> 
Date: Mon, 23 Feb 2004 14:37:03 +0100
Message-ID: <6813.1077543423@critter.freebsd.dk>
cc: current@freebsd.org
Subject: Re: PANIC named - trap.c 
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In message <403A011B.9090007@mikulas.com>, Jiri Mikulas writes:
>Hello
>i have FreeBSD 5.2-CURRENT #0: Mon Feb 23 02:17:13 CET 2004
>and i got this panic with chrooted bind9 from ports
>bind8 from userland works fine
>any ideas why ?:)
>thanks for reply

Try this patch (NB: cut&pasted, apply by hand):

Index: kern_conf.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/kern_conf.c,v
retrieving revision 1.147
diff -u -r1.147 kern_conf.c
--- kern_conf.c 23 Feb 2004 08:42:55 -0000      1.147
+++ kern_conf.c 23 Feb 2004 13:36:17 -0000
@@ -235,7 +235,7 @@
 struct cdevsw *
 devsw(dev_t dev)
 {
-       if (dev->si_devsw != NULL)
+       if (dev != NODEV && dev->si_devsw != NULL)
                return (dev->si_devsw);
        return (&dead_cdevsw);
 }

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.