I did another boot with Karmic Beta live cd. This time all went smooth without a reboot and 4GB of RAM were detected. It seems that the problem has been solved by one of the kernel upgrades.
-- Jaunty Beta doesn't boot on Samsung R510 with 4GB RAM https://bugs.launchpad.net/bugs/354824 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs