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Date: Tue, 22 Oct 2002 20:03:07 -0400
From: "Bill Jaeger" <>
To: <>
Subject: Re: java

Hmmm...I'm not sure that the FAQ you cited is correct.  We've used
non-chstk'd flavors of Sun's JDK (v1.2.x and v1.3.x) for about two years on
openwall/hap-enhanced kernels with the non-executable user stack option
enabled.  We haven't run into any problems with doing so.


> -----Original Message-----
> From: Solar Designer []
> Sent: Tuesday, October 22, 2002 7:22 PM
> To:
> Subject: Re: java
> On Tue, Oct 22, 2002 at 04:22:24PM +0300, Kagan Kongar wrote:
> >
> > Any success running java apps on Owl?
> I know that people do, in particular with Oracle installs.  We have one
> at DataForce, I think with three different versions of JDK for different
> components of Oracle (not an Owl-specific problem).  I didn't install
> it myself, so don't know all details.
> Also note this FAQ entry for the kernel patch (if you're using it and
> have enabled the non-executable user stack option):
> Q: Are any applications known to require executable stack and/or the
> traditional default mmap() address?
> A: Yes.  JDK 1.3 and XFree86 4.0.1 (only with the commercial
> nVidia GeForce
> drivers) have been reported to not work unless chstk'ed.  Many Win32
> applications and DLL's (such as video codecs) are non-relocateable and
> must be loaded at their default address which mustn't be already taken
> by the shared libraries of a Linux application such as Wine or MPlayer.
> Simply chstk'ing the "wine" and "mplayer" binaries solves this problem.
> --
> /sd

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