Description of problem: Unable to create guests with 2047MB RAM on 64bit host. Version-Release number of selected component (if applicable): qemu-img-0.9.1-6.fc9.x86_64 qemu-0.9.1-6.fc9.x86_64 kvm-65-7.fc9.x86_64 Linux dhcp227-13.rdu.redhat.com 2.6.25.11-97.fc9.x86_64 #1 SMP Mon Jul 21 01:09:10 EDT 2008 x86_64 x86_64 x86_64 GNU/Linux Host is a dell 7400 with 2 Quad core Xeon processors. It has a total of 16GB of RAM. How reproducible: Here's the qeumu command [root@dhcp227-13 qemu]# cat /var/log/libvirt/qemu/bleanhar2-developer-workstation.log /usr/bin/qemu -S -M pc -m 2047 -smp 1 -name bleanhar2-developer-workstation -monitor pty -no-reboot -boot c -kernel /var/lib/libvirt/boot/virtinst-vmlinuz.XP3gxQ -initrd /var/lib/libvirt/boot/virtinst-initrd.img.JS0iqL -append ksdevice=eth0 lang= text ks=http://10.11.227.192/cblr/svc/op/ks/system/bleanhar1-developer-workstation syslog=10.11.227.192:25150 kssendmac method=http://10.11.227.192/cblr/links/Fedora-9-i386/ -drive file=/images/bleanhar2-developer-workstation-disk0,if=ide,index=0 -net nic,macaddr=00:16:3e:20:2d:51,vlan=0 -net tap,fd=15,script=,vlan=0,ifname=vnet1 -serial pty -parallel none -usb -vnc 127.0.0.1:1 Could not allocate physical memory Actual results: Could not allocate physical memory Expected results: 64 bit KVM hosts should be allowed to have > 2GB of RAM Additional info: Under 32bit F9 2047MB is the limit. I can boot this VM just fine when using 32bit F9. Under the 64bit host if I lower the Guest RAM to 1024 it starts as expected. I switched to 64bit because the KVM docs say that > 2GB is possible.
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