Stephan Wiesand wrote:

> On Thu, 28 Jul 2005, Gary Wilson wrote:
>
>> Stephan Wiesand wrote:
>>
>>> Hi,
>>>
>>> On Thu, 28 Jul 2005, Gary Wilson wrote:
>>>
>>>> Hi,
>>>>
>>>> I've just set up a dual Opteron machine with SL4 x86_64. I have to 
>>>> run an old version of Matlab on this, which won't run with the 64 
>>>> bit xorg-x11 libraries. The folks at Matlab suggested that there 
>>>> are 32-bit compatibility libraries for Red Hat ES 4 that will fix 
>>>> this problem, but I can't find this in SL 4. Anyone know where 
>>>> these compatility libraries can be found?
>>>
>>>
>>>
>>> x86_64/SL/RPMS/xorg-x11-libs-6.8.1-23.EL.i386.rpm & co.?
>>>
>>> Try "yum install xorg-x11-libs.i386" etc.
>>>
>>>> Gary Wilson
>>>> [log in to unmask]
>>>>
>>>
>> Thanks. I had those installed, so I thought that maybe there was 
>> something else that I was missing. What I do see is that when I look 
>> at the ldconfig cache the 64 bit library appears first, so I'm 
>> guessing that it sees that and stops there. Now I'm looking to see if 
>> there is a way to reverse the order in which the libraries are found.
>
>
> The dynamic loader won't consider using 64-bit libraries for 32-bit 
> executables. Are you sure it's missing shared libs? Please try running 
> ldd on your executable as Connie suggested (this may not be trivial as 
> these commercial executables tend to be hidden under layers and layers 
> of wrapper scripts...).
>
> Once you're sure it's not due to some missing shared libs, you may 
> want to try running it after an "export LD_ASSUME_KERNEL=2.4.19" (or 
> even 2.4.1).
> I think Matlab <=6 comes with an elderly JVM that's not NPTL-compatible.
>
> Stephan
>

ldd on matlab ends with this message:

./matlab: can't handle RELA relocation records

(I do have this version of matlab - 5.3 - running on SL 3.04 i386 
without any problems.)

Even with the LD_ASSUME_KERNEL at 2.4.1 I get the 'can't handle RELA 
relocations records.' Can't find what that means.

Gary