Frequent ubuntu "freezes" after RAM upgrade

[Andrea Fortino]

> On Sat, 2009-12-26 at 19:55 +0100, Andrea Fortino wrote:
>>  >> Hi,
>> <SNIP>
>>  >>
>>  >> 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.
>> <SNIP>
>>  >>
>>  >> Ciao,
>>  >> Andrea
>>  >>


accessys at smart.net ha scritto:
>>> have you tried removing one of the card s and seeing how it ran with 2gb 
>>> rather than 3gb??
>>>
>>> Bob
>>>

Andrea Fortino wrote:
>> Yes, thank you, now I'm running with 2x1GB, but I often use virtual 
>> machines so 3 GB would be much better.
>>
>> I thought maybe something wrong with one of the 3 RAM slot of the 
>> motherboard, but I checked all of them: they works. Problem should be 
>> software, but I can't find where.
>>
>> Andrea
>>

arshad ha scritto:
> is it something to do with 32bit and 64bit?
> 

I think 32 bit systems allow up to a total of 4 GB... hey, wait a 
minute: may be I should _resize_ swap partition (1GB instead of 1,5GB)??
..so total RAM would be 4GB (3GB RAM + 1 GB swap)!

May be it could be the solution?

Andrea