Frequent ubuntu "freezes" after RAM upgrade

Andrea Fortino andreas.fortino at gmail.com
Sat Dec 26 18:27:41 UTC 2009


Hi,
I've got a quite old pc with ubuntu 8.04 (32 bit). CPU 2,6GHz, GeForce 
FX 5200 128MB, motherboard Via P4PB 400 with 3 RAM slots, each one with 
512 GB (tot 1,5 GB). Swap partition size is circa 1,5 GB. Checked on 
internet, max RAM size is 3GB:
http://www.motherboard.cz/mb/via/p4pb_400.htm

So I just buyed three RAM blocks (DIMM, each one 1 GB).

BIOS can read all of 3 GB, but ubuntu often "freezes" after some minutes 
of work. So I try ubuntu memory test (option from GRUB menu). Test #5 
("block move, 64 moves") reports numerous errors. Retried memory test, 
with only 2 GB (checked every possible combination of 3 blocks): no 
errors found. So all 3 RAM blocks are ok, I think.

Then I decide, not so hopefully, to upgrade BIOS:
http://www.via.com.tw/en/products/mainboards/others/p4pb_400.jsp
No changes.

As last attempt, I install 2.6.24-26-server kernel. Again, no changes 
(ubuntu still freezes after few minutes of uptime)

What do you think? Any solutions?

Thank you in advance! :-)

Ciao,
Andrea






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