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spaceace13666 10-16-2007 07:08 AM

RHEL5 server fails to install x86_64 but 32bit okay?
Dear Linux community,
We have recently purchased a new Supermicro 1021m-T2RB server(H8DMR-i2 Mobo), running dual Opteron 2347's, 2 gigs of mem, 2 SATA disks... nothing too special.
However, the problem lies in that when I attempt to install RHEL5 x86_64, anaconda begins to load and then I get a spontaneous system restart. Even more interesting is that the 32bit version of the OS loads fine.
First, I would be grateful to know if anyone has any solutions as to how to get the 64bit version to load, since we will be performing chemical structure analysis, and the labor intensive programs perform much better in that environment compared to i386.
Second, are workarounds possible? If the OS is 32bit, might I get my software to perform with 64bit functionality?
Thank you for your time in this matter, as I am by far a true administrator as I am a scientist first.

marcinkac 09-16-2008 04:26 AM


I have this same problem on DELL 2970 with 2347HE cpu,

any idea why?

stuart_cherrington 09-16-2008 05:05 AM

Not a very helpful comment but I have a range of Sun X4 series servers running AMD chips, all x86_64 bit servers and RHEL5 loads no problems.

Have you check the manufacturers site for any caveats on what does/not work?
Have you tried installed ANother version of Linux, EG Ubuntu ??

Are you sure the iso/DVD you are using is the 64bit image?

More questions, but hopefully they will get answers.


marcinkac 09-16-2008 11:53 PM

I have try RHEL 4 and 5 32 bit and everything looks ok, just when trining to install 64 bit i am having CPU errer .... bank0:0 and then some numbers


stuart_cherrington 09-17-2008 04:21 AM


What happens if you run the vendors hardware diags? It looks like a CPU error.


stuart_cherrington 09-17-2008 04:22 AM

Sorry - posted to early :-)

Bank0:0 would probably refer to memory errors,not CPU

If the vendor diags are crap (not a surprise) try swapping memory around, keep a log of what moved to where and try again. Try also with a smaller OS to see if the error occurs again, if so, its not RedHat its the hardware.



marcinkac 09-17-2008 05:29 AM

i have try rhel 4 and windows and everthing look ok



marcinkac 09-17-2008 05:30 AM

i have swaped mb and cpu is still on

stuart_cherrington 09-18-2008 02:37 AM

Did you try the hardware diags?

I take it from the last comment, you swapped Memory and CPU's around and the error still occurs with Bank 0:0 ?????

Your original post mentions 'bank0:0 and then some numbers', are the numbers always the same?


marcinkac 09-18-2008 03:41 AM

yes i also swap mobo and put diffrent memory and cpu and still have thhis same masage , numbers are same also

stuart_cherrington 09-18-2008 06:12 AM

OK -0 Grasping at straws now but can you post the full error you get.


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