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Re: [rhelv5-list] problems about "export LD_ASSUEM_KERNEL=2.4.19"



On Tue, 2007-12-11 at 09:38 -0500, Tom Sightler wrote:
> On Tue, 2007-12-11 at 16:24 +0200, Jussi Silvennoinen wrote:
> > > hi ,all 
> > > 
> > >    I am using IBM DB2 V8.1 in Red Hat Enterprise Linux 4 update4 all
> > the time ,adding  "export LD_ASSUEM_KERNEL=2.4.19" to profile file .
> > If I don't add the line , the DataBase System can't run .
> > > 
> > >    And now , I want to update my OS to RHEL 5 .When I use the export
> > - "LD_ASSUME_KERNEL" ,there are some problem in system, many soft
> > can't run well .
> > > 
> > >    Can someone help me ? 
> > 
> > RHEL5 does not have LinuxThreads support, it was dropped and NPTL
> > replaced 
> > it completely. There is no workaround for legacy applications except 
> > running them on older RHEL's.
> 
> Well, I wouldn't quite say no workaround, although perhaps no easy
> workaround.  We had one application that was causing us problems because
> of this issue so we simply created a RHEL4 compatibility area in a
> chroot environment.  Works like a charm.

Another idea is to install RHEL5, then create a RHEL4 virtual guest (or
whatever version you need) to run on top and use that environment for
your applications.  We've had a number of customers using this solution.

- jkt

-- 
--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*--*
Jay Turner, Senior Manager, QE       jkt redhat com           Red Hat, Inc.

          If A equals success, then the formula is: A = X + Y + Z,
     X is work. Y is play. Z is keep your mouth shut. - Albert Einstein

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