> > understand that you guys are led to believe that the > problem is not really a problem of that particular kernel or the Athlon > 64 architecture but rather a more general "boot problem". > But then, how come I can boot with the kernel 2.6.5-1.358 ? > What kind of filesystem do you have in /dev/hdg6? Remember whatever the filesystem is the proper module has to be precompiled into the kernel for it. This is the only wild guess that I can throw out there. Another thing is you can read the 2.6.8-1.521 release notes and see what is different from 2.6.5-1.358 expecially when it comes to file systems and IDE devices. That should give you some leads...