Subject: Re: specified device does *too* match mounted device, and other VALIASED lossage
To: Jed Davis <>
From: Pavel Cahyna <>
List: tech-kern
Date: 08/23/2006 09:25:43
On Tue, Aug 22, 2006 at 07:51:30PM -0400, Jed Davis wrote:
> I'm a little unclear on how checkalias() is supposed to work.
> I have a system where I'm using the init.root sysctl; "mount -u /"
> from inside the chrooted system fails because the inner /dev/raid2a
> (or whatever) is a different vnode from the outer /dev/raid2a whence
> it was mounted, despite both of them having the same dev_t and type.
> There are also, and I seem to recall that PRs already exist on this,
> incidents with FSes which happen to contain device nodes being
> considered busy despite no evidence of anything on the FS actually in
> use, and which I've suspected of being due to similar aliased-device
> confusion.

You mean PR#32112 ?