Although the beginning of the installation was really smooth, the bunch of troubles start just after:
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When the kernel is rebooted via a kexec call at the end of the first phase, it simply freezes. I did an electrical turn-off/on and used the “failsafe” option in Grub this time : the boot process ended in a funny kernel crash (always reproducible).
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If I explicitly put “maxcpus=2” (as the machine has a Core 2 Duo CPU) in the kernel command line, the kernel boots and the installation process finishes (maxcpus=1 made the machine crash when the network was setup).
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When the machine is completely installed, a bunch of messages related to Firewire floods my /var/log/messages, but it is not too critical, some modules blacklisting will solve the issue.
Pfew!! 
Not the best experience I would have expected but I hope to see the things go better soon considering the troubles Novell had just prior the release. Nice job!