Subject: Re: kern/36572: panic on NFS unmount
To: None <firstname.lastname@example.org, email@example.com, firstname.lastname@example.org>
From: Antti Kantee <email@example.com>
Date: 06/28/2007 15:58:51
On Thu Jun 28 2007 at 12:45:03 +0000, Antti Kantee wrote:
> > On Thu, Jun 28, 2007 at 11:55:02AM +0000, Antti Kantee wrote:
> > > holds a reference. This might actually be fairly easy to duplicate by
> > > opening a file, removing it and doing unmount -f.
> > That did not reproduce it for me.
> You obviously need some luck in the vnode list order so that the parent
> is cleaned before the child.
> .. or my theory is wrong.
I started thinking about this and concluded it should happen always.
And sure enough, touch foo ; sleep 10 < foo & rm foo ; unmount -f
made it panic for me.
Antti Kantee <firstname.lastname@example.org> Of course he runs NetBSD
"la qualité la plus indispensable du cuisinier est l'exactitude"