System lockup problem when adding more memory - FC5

[Cokey]

Tony Nelson wrote:
> At 3:14 PM -0500 4/3/07, Styma, Robert E (Robert) wrote:
>   
>>> Mikkel L. Ellertson wrote:
>>>       
>>>> Cokey wrote:
>>>>
>>>>         
>>>>> I have an older dual processor server that has been
>>>>>           
>>> happily running FC5
>>>       
>>>>> since it was released.  It currently has 4G of memory and has the
>>>>> capacity for 8G using 1G sticks.   Recently I was given 2
>>>>>           
>>> 1G sticks and
>>>       
>>>>> tried to upgrade the system.  The system recognizes the memory and
>>>>> boots, but then locks up with:
>>>>>
>>>>> exec of initj(/sbin/init) failed: Exec format error.
>>>>> Removing the memory clears the problem.  I have also tried some 512
>>>>> sticks and they also cause the same problem.  Essentially
>>>>>           
>>> anything over
>>>       
>>>>> 4G regardless of the how that's arrived at will cause the lockup.
>>>>>
>>>>> Looking for any hints/ideas.
>>>>>
>>>>> Tnx
>>>>>
>>>>> Cokey
>>>>>
>>>>>
>>>>>
>>>>>           
>>>> You may want to check how your system handles more then 4G of
>>>> memory. I seam to recall a thread a while ago about a system leaving
>>>> a hole in memory and the BIOS producing an incorrect memory map when
>>>> the extra memory was added. (I think it was with more then 2G in
>>>> that thread.) You should also check to see if there is BIOS update
>>>> for your machine.
>>>>
>>>> Mikkel
>>>>
>>>>         
>>> Good idea but unfortunately there's no BIOS updates for this system
>>> beyond what's installed.  Wish there were...   And there's
>>> nothing I can change in the BIOS either.  Manual doesn't say anything
>>> about a memory hole...  but then it might not.
>>>
>>>       
>> You say this is an older system.  If it is 32 bit, 4 gig is the
>> maximum amount of memory you can address in 32 bits.
>>     
>
> PAE.
>   
Ok, so?  PAE is enabled in the kernel and this box has dual Pentium III 
which are PAE enabled.  Am I missing something?

Cokey

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