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Re: AMD64-generic doesn't see all 4GB RAM?

Lennart Sorensen wrote:
> On Mon, Nov 06, 2006 at 05:54:00PM +0100, A J Stiles wrote:
>> There's your problem; you're still running the installer kernel.  The 
>> installer kernel is only supposed to work well enough and for long enough for 
>> you to build yourself a new one.  Install kernel-package, libncurses5-dev  
>> (menuconfig needs it);  then you can just get sources from kernel.org, and 
>> compile them into a .deb package to install with dpkg -i.
>> Note: unless you're *very* lucky, you *will* at some point turn off something 
>> you should have left on and your new kernel won't boot.  Save all your config 
>> files, have a bootable CD handy, and learn how to use it to alter your LILO 
>> or GRUB configuration to boot the installer kernel.  
>> If you're still running a "stock" kernel, you're only using about half the 
>> power of Linux .....
> There is almost never a reason to not run one of debian's prebuilt
> kernels.  They work perfectly and optimally for probably 99% of users.
> The 3.2GB problem has to do with memory remapping which is a BIOS
> problem.
> The etch installer is quite good at installing the optimal kernel for
> the system.

I'm running a stock kernel on a Sun Fire V40z (4 x Opteron 852) with 16
gigs of RAM - the kernel sees all 16 gigs just fine.


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