The most likely culprit seems to be CONFIG_XEN_MAX_DOMAIN_MEMORY=32 in config-2.6.35-24-virtual.
** Attachment added: "config-2.6.35-24-virtual.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/667796/+attachment/1760983/+files/config-2.6.35-24-virtual.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/667796 Title: kernel only recognizes 32G of memory -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
