[gdal-dev] Ubuntu, gdal & ecw's >2gb on IA32

[Tim Bowden]

On Sun, 2008-06-22 at 05:45 -0600, Richard Greenwood wrote:
> On Sat, Jun 21, 2008 at 10:28 PM, Tim Bowden <tim.bowden at westnet.com.au> wrote:
> > On Sat, 2008-06-21 at 18:13 -0400, Marius Jigmond wrote:
> >> Tim Bowden wrote:
> >> > On Sat, 2008-06-21 at 09:09 -0600, Richard Greenwood wrote:
> >> >
> >> > > On Sat, Jun 21, 2008 at 9:00 AM, Tim Bowden &lt;tim.bowden at westnet.com.au&gt; wrote:
> >> > >
> >> > > > *me scratches head* and not for the first time.  I wasn't expecting that
> >> > > > to make a difference.  No idea what to make of it.  Just to make sure
> >> > > > I've got it right, the samba share was being served from a mac was it?
> >> > > > And you were running gdalinfo from ubuntu 8.04?  or the other way
> >> > > > around?
> >> > > >
> >> > > I'm running 32 bit Ubuntu Hardy 8.04. I had a Windows XP NTFS drive
> >> > > mounted via Samba and gdalinfo was fine. Copied the same file to the
> >> > > local ext3 partition and got the error. I'll be trying the same file
> >> > > on a Slackware server in the next couple days.
> >> > >
> >> >
> >> > Ah, perhaps it's worth trying on a non ext3 filesystem.  Not sure how it
> >> > would make a difference, but I've got no other ideas.
> >> >
> >> > > Obviously a work around is to split the ecw file into tiles.
> >> > >
> >> > >
> >> > Ugly solution for me.  I've got (client rather) abt 350gb+ of ecw's
> >> > mostly over 2gb each being served up by mapserver that will be updated
> >> > every three months .  Hate to have to automate that in a failsafe way.
> >> >
> >> > Tim
> >> >
> >> >
> >> > > Rich
> >> > >
> >> > >
> >> This might be related to a similar issue I had reading tiff's larger
> >> than 2GB also on Ubuntu 8.04. I have the exact same error, while it
> >> works on Ubuntu 7.10. I never got to the bottom of it, but I suspect
> >> something is broken in Ubuntu 8.04.
> >>
> >> Marius
> >>
> > I just got the same result with a geotiff >2gb.  I think we can say
> > libecwj is in the clear for now.
> >
> > Richard, is your slackware ext3?
> 
> No. It is  reiserfs.
> 
I've just tried reiserfs on ubuntu 8.04 and there is no change in the
problem.  I'm going to chase this one up in bunty land, as it seems
clear this is an ubuntu specific problem.  I'll report back if I ever
get to the bottom of it.

Regards,
Tim Bowden