Tim Verhoeven wrote: > On 7/26/07, Nick <list at everywhereinternet.com> wrote: >> >> Running Centos 5 (32bit)... running a server with 4gb of RAM and it's >> shows up as: >> >> [root at ubercore1 ~]# free >> total used free shared buffers >> cached >> Mem: 3369544 2549668 819876 0 29008 >> 2382360 >> -/+ buffers/cache: 138300 3231244 >> Swap: 6291448 0 6291448 >> >> I know 4gb is the limit for a 32bit OS but i thought it would be able to >> use all of it? Is there another kernel i was supposed to install? > > I've seen this before on laptops. This could be a limitation of the > chipset itself. If that is the case, nothing can be done about it. > > Another option is that you try to boot with the PAE kernel. That > kernel is made to go over the 4GB boundary on 32bit. > > Regards, > Tim > > yum install kernel-PAE <reboot> [root at ubercore1 ~]# uname -a Linux ubercore1 2.6.18-8.1.8.el5PAE #1 SMP Tue Jul 10 07:50:36 EDT 2007 i686 i686 i386 GNU/Linux [root at ubercore1 ~]# free total used free shared buffers cached Mem: 4149852 251852 3898000 0 12500 141792 -/+ buffers/cache: 97560 4052292 Swap: 6291448 0 6291448 Fixed! Is there anything i should know about the PAE kernel... like it self destructs after migrating 2000 users over to it? ;)