Solaris 10 guest 64bit constant reboot

Hi,

I have a Solaris 10 VM. Installation worked without an issue. When in 64 bit mode… constant looping after
grub window. In 32bit mode {kernel/unix} it works flawlessly with one vcpu… Major Kernel stack in Non-VM host when using more then one vcpu. But single vcpu and 32bit guest Solaris 10 U7 patched. Works great… even non-global zones and zfs in guest work without issue.

I need Solaris 10 64bit… any ideas on a fix? Is there a patch?

Host: Intel core2duo E6300 6GB of Ram
Intel Nics {3 in bridge}
2 {36GB OS mirror disk}
2 {500gb VM disks mirror}
several iscsi disks for use in the VM’s.

I am using Ubuntu 9.04 Server 64bit - latest updates installed.

<root@vmserver ~>

apt-show-versions | egrep “kvm|qemu”

kqemu-common/jaunty uptodate 1.4.0~pre1-1ubuntu3
kqemu-source/jaunty uptodate 1.4.0~pre1-1ubuntu3
kvm/jaunty-updates uptodate 1:84+dfsg-0ubuntu12.3
qemu/jaunty uptodate 0.10.0-1ubuntu1
qemu-launcher/jaunty uptodate 1.7.4-1
qemubuilder/jaunty uptodate 0.48
qemuctl/jaunty uptodate 0.2-2
qemulator/jaunty uptodate 0.5-3

QEMU PC emulator version 0.9.1 (kvm-84), Copyright © 2003-2008 Fabrice Bellard