[Vm-dev] Cog issue? Re: [Pharo-project] StandardFileStream size limit?

[David T. Lewis]

On Wed, Jun 13, 2012 at 03:00:29PM -0700, Eliot Miranda wrote:
>  
> On Wed, Jun 13, 2012 at 7:40 AM, David T. Lewis <lewis at mail.msen.com> wrote:
> 
> >
> > On Wed, Jun 13, 2012 at 04:08:14PM +0200, G?ran Krampe wrote:
> > >
> > > Hey!
> > >
> > > Ok, so the plot thickens:
> > >
> > > If I run this in a "oneclick 1.4" I will get a file write error on 2Gb:
> > >
> > > | f b |
> > > f := StandardFileStream newFileNamed: 'test'.
> > > b := ByteArray new: 1024*1024*100. "100Mb"
> > > [30 timesRepeat: [f nextPutAll: b]] ensure: [f close] "3Gb"
> > >
> > >
> > > ...but it worked fine using a self built "standard" VM from squeakvm.org
> > > (4.4.7.2357)! Same image btw.
> > >
> > > Now, does it work with the bleeding edge Cog? Tried r2556 and nope, same
> > > problem.
> > >
> > > So I "guess" it is a Cog thing? I haven't tried building Cog from source.
> > >
> > > regards, G?ran
> >
> > Background on large file support, see especially Bert's summary:
> >
> >
> > http://forum.world.st/Re-squeak-dev-filesize-reporting-0-for-very-large-files-td4483646.html
> > http://bugs.squeak.org/view.php?id=7522
> > http://www.suse.de/~aj/linux_lfs.html
> >
> > I'm not sure if the Cog VMs are being compiled with the the LFS option,
> > although
> > I expect that if you compile it yourself with the build options that Bert
> > explains,
> > then it should start working.
> >
> 
> I just committed the necessary changes for my branch.  Will rebuild soon.
>  G?ran, if you're in a hurry build your own?  You'd need to be in
> http://www.squeakvm.org/svn/squeak/branches/Cog/unixbuild/bld and run ./mvm.
> -- 
> best,
> Eliot

Excellent :)

Dave