Subject: Re: kern/36130: Unkillable stackable filesystems
To: None <gnats-bugs@NetBSD.org>
From: Antti Kantee <pooka@cs.hut.fi>
List: netbsd-bugs
Date: 04/10/2007 09:37:37
On Tue Apr 10 2007 at 00:15:01 +0000, juan@mail.xtrarom.org wrote:
> I was building a new livecd with mklivecd, my setup
> currently has the following mount points:
>
> /usr/pkgsrc is union mounted from /sources/x/pkgsrc (local)
> /usr/pkgsrc/packages is union mounted from /export/packages (local)
>
> Specifically:
>
> /dev/xbd1a on /sources type ffs (soft dependencies, NFS exported, local)
> /dev/xbd1b on /export type ffs (soft dependencies, NFS exported, local)
> /dev/xbd2a on /sources/x type ffs (soft dependencies, NFS exported, local)
> <above>:/sources/x/pkgsrc on /usr/pkgsrc type union (hidden, local)
> <above>:/export/packages on /usr/pkgsrc/packages type union (hidden, local)
>
> So what mklivecd does is:
>
> mount_null /usr/pkgsrc /blah
> mount_null /usr/pkgsrc/distfiles /blah/distfiles
> [the process is hanged and unkillable]
>
> The mount_null command shows the state "unionall".
I couldn't repeat it on 4.99.16. Either I'm missing some essential
step or it doesn't exist there. But that look like such a scary setup
that I would expect the problem to exist ;)
Can narrow it down to a step-by-step command list for freshly booted box?
--
Antti Kantee <pooka@iki.fi> Of course he runs NetBSD
http://www.iki.fi/pooka/ http://www.NetBSD.org/
"la qualité la plus indispensable du cuisinier est l'exactitude"