Linked by Thom Holwerda on Sun 16th Apr 2006 15:36 UTC
OSNews, Generic OSes Right in between a car crash and Easter, I knew I had to write a Sunday Eve Column. So here I am, digesting vast quantities of chocolate eggs (and I don't even like chocolate), craving for coffee (for me about as special as breathing), with the goal of explaining to you my, well, obsession with microkernels. Why do I like them? Why do I think the microkernel paradigm is superior to the monolithic one? Read on.
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I don't see the problem. Just restart and block and process that makes an I/O until it's back a running.

Usually, restarting a process involves reloading the binary from disk, so if the file system is just to get restarted, how can you load it back from disk to memory? You could keep its text in memory, but what about corrupted data structures?

I still don't see any advantages of a microkernel system. Just look at Windows NT 4.0 and how they integrated back the graphic drivers back into kernel space due to performance problems. The fact is that, in Windows NT 3.5, a crash in the graphics subsystem left the system unusable. Well, it could keep serving files, but it was impossible for anyone to log in to the system.

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