[CentOS] centos5/xen does not see all memory
Peter Peltonen
peter.peltonen at gmail.comTue Jul 31 18:55:45 UTC 2007
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I have a server with 6 gigs of memory. CentOS5/Xen sees only half of it. Could someone advice me how to get it recognize all my memory? I have installed 32bit CentOS5 and I'm running kernel-xen-2.6.18-8.1.8.el5. This kernel should have PAE support: $ grep PAE /boot/config-2.6.18-8.1.8.el5xen CONFIG_X86_PAE=y But xentop reports only 3 gigs of memory: Mem: 3145148k total, 2400512k used, 744636k free CPUs: 2 @ 2612MHz If I boot with kernel-PAE-2.6.18-8.1.8.el5 the system recognizes all memory but I cannot use Xen. My motherboard is Supermicro H8SMA-2 A64/Opteron with MD Athlon 64 X2 5200+ processor and 2 x 1GB ECC DDR-II SDRAM and 2x 2GB ECC DDR-II SDRAM. Regards, Peter
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