Alexandru Matei wrote:
Hello,
Ok, from what I understand, I'll never see the entire 4GB unless I install a 64-bit OS. But I would still like to be able to run openSuse 10.2. :) Does anyone know why the issue below happens?
Wrong. You will never see the entire 4GB *EVER* because the OS does allow it's own memory footprint to be shown as "available memory" And SuSE has been releasing the 64-bit kernels since 10.0..maybe even 9.3.
Thank you very much, Alex
On 5/8/07, Aaron Kulkis <akulkis3@hotpop.com> wrote:
Alexandru Matei wrote:
Hello,
I've recently upgraded my RAM to 4GB and since then, when the X server starts, the computer slows down a lot - what I mean by slows down is that:
- although there is some occasional hard disk activity, I never see the KDE Desktop, I only get the mouse pointer and that's it
- if I start a console with Ctrl+Alt+F1, it takes about a minute to see the command prompt from the moment I type my (correct) password
- if after logging in I use the Midnight Commander, it's response is very slow and slurgish and navigation through folders is very slow
When I still had 2GB everything was ok. I'm using openSUSE 10.2 on a Intel Core 2 Duo 1.86 Ghz, 4 MB L2 Cache, FSB 1066 Mhz / Intel DP965LT motherboard / 4 x 1 GB Corsair DDR2 675 Mhz, 4-4-4-12 / ATI Radeon EAX1300 256MB / WDC S-ATA II 250 GB HDD.
Booting the XEN kernel (second option in the bootloader) works (but no ATI video driver is taken into consideration, it defaults to VESA mode), but using the default one causes the above problem.
Could you please be as kind so as to give me a suggestion to fix this issue? It's really frustrating, as Windows XP and Vista work ok (but they don't see the entire 4GB, only 3.25 GB), but I would rather use Linux instead (and hopefully have all 4GB available).
The Kernel always takes up a certain amount of space, and thus you will never have *ALL* of the memory listed as "available" -- otherwise, the kernel could be overwritten with user programs and/or data....which would definitely be a BAD THING.
As to why you're seeing this with 4GB of mem, but not 2 GB... perhaps because you also have swap space... and the kernel is trying to figure out how to manage 4GB + (swap partition) worth of virtual memory all WITHIN a 32-bit address space..
Thank you very much, Alex
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