Yes, I can confirm that.
With the current swap 800MB I was able to allocate 16 forms without
problems but when I used 40GB swap, it crashed for 4 forms too.

-- Pavel

On 2/21/07, Jens Lincke <jens at impara.de> wrote:
> Hi,
>
> try more swap,
>
> I disabled my swap the second machine, so that I only have 500MB real
> ram left
> an the vm did not crash.
>
> I enabled the swap and the vm crashed again... so I think it is
>
> an  issue of signed / unsigned int when memory over 1GB of RAM is allocated.
>
> - Jens -
>
> Pavel Krivanek schrieb:
> > Squeak 3.9-7, Gentoo i686, 512 MB RAM, 800 MB Swap
> > 8 form without crash...
> >
> > -- Pavel
> >
> > On 2/21/07, Jens Lincke <jens at impara.de> wrote:
> >> Hi,
> >>
> >> On my machine doing a:
> >>
> >> f1 :=  Form extent: 800 @ 600  * 4 depth:  32.
> >> f2 :=  Form extent: 800 @ 600  * 4 depth:  32.
> >> f3 :=  Form extent: 800 @ 600  * 4 depth:  32.
> >> f4 :=  Form extent: 800 @ 600  * 4 depth:  32.
> >>
> >> results into an:
> >>
> >> "sweep failed to find exact end of memory" - vm crash
> >>
> >> both under the squeak 3.9-8 and 3.7-3 unix vms.
> >>
> >> my system:
> >>
> >> ubuntu i386  1GB RAM 1GB Swap
> >>
> >> Any ideas, why this happens?
> >>
> >>
> >> - Jens -
> >>
> >>
>
>
>