On Tuesday, February 5, 2002, at 05:46 PM, Justin C. Walker wrote: Ahh. I see.. I'm used to alphas where you can generally switch back to the SRM console firmware for I/O if you're in a bad state.. On the macs, they quiesce the OF, which means that you can't use OF drivers in the kernel. I can only think of one OS that doesn't do this (NetBSD). It's just a lot of effort to keep OF around. And, of course, Solaris, where OF was first perpetrated on an unsuspecting world. ... and NeXTSTEP on sparc. Came in handy when network driver did not co-operate [and while debugging KDP]. One of the engineers wrote Forth code to read mach_kernel symbol table. That enabled symbolic backtraces in OF! --Umesh _______________________________________________ darwin-kernel mailing list | darwin-kernel@lists.apple.com Help/Unsubscribe/Archives: http://www.lists.apple.com/mailman/listinfo/darwin-kernel Do not post admin requests to the list. They will be ignored.