Subject: Re: could negative free be due to lack of FPU?
To: Joel Rees <joel@alpsgiken.gr.jp>
From: Bruce ONeel <edoneel@sdf.lonestar.org>
List: port-mac68k
Date: 06/03/2003 10:59:53
Hi,

What happens when you put a file there?  What does df then
show?

say, 

dd if=/dev/zero  of=/blah/blah1 bs=1000000 count=1

cheers

bruce

Joel Rees <joel@alpsgiken.gr.jp> wrote:
> > 
> > On Monday, June 2, 2003, at 10:38  PM, Joel Rees wrote:
> > 
> > > <http://mail-index.netbsd.org/port-mac68k/2001/01/12/0007.html>
> > 
> > ...
> > 
> > > Is it likely that the bug from January 2001 has been re-introduced or
> > > something? I'm not getting any more recent positives on this from marc
> > > or google.
> > 
> > I don't understand... there is no bug here.
> 
> Was the incorrect initialization in the response then a user error?
> 
> If so, then I've made the same error three times, and it would be nice
> if someone would hit me over the head with a clue-by-four so I can avoid
> doing it a fourth time. Installs on mac68k keep my wife awake. :-/
> 
> As I said in my first post, 
> 
>     http://mail-index.netbsd.org/port-mac68k/2003/06/02/0000.html
> 
> (which was trimmed) this is on a fresh install on a performa 550 w/out
> FPU, the three partitions that show the negative free space start above
> 700M in a 2G HD, all are 60M+, and none have more than 200K in use. 
> 
> (And I apologize that I hit "paste without quoting" on my reply.)
> 
> > The description of what is happening in the URL you cite is slightly 
> > wrong.  Yes, there is %5 that is reserved for the superuser, but "100%" 
> > is adjusted to compensate.  This means that the actual "all space used" 
> > value is "105%".
> > 
> > Unix has done this for a .. very long time.
> 
> Thanks to everyone who pointed this out. If I am missing the reason why
> df-ing a 60MB partition with nothing but an empty lost+found (du reports
> 8k in use) tells me I have negative free space, please tell me.
> 
> -- 
> Joel Rees <joel@alpsgiken.gr.jp>