Linked by Eugenia Loli-Queru on Mon 3rd Mar 2003 20:39 UTC
OSNews featured two reviews of the new 12" Powerbook from Apple last month. Using a machine and more fairly evaluating it, is a continuous process, so when new facts emerge, we should be reporting them back. So, what I discovered this weekend is that my 12" Powerbook doesn't like... the mountains. Read on, it is an interesting issue. Update: The issue is now logged at Apple's tech support db.
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> it shouldn't freeze OS X even if a read or write request
> takes a long time. DMA was invented to overcome this
> problem.
> the OSX freeze is either a proof of a poorly written ATA
> driver, or of an architectural issue with the microkernel.
Well, actually, neither of them. When the OS is swapping (managing virtual memory; as opposed to simply serving normal processes' read/write requests) nothing can go on until the operation is finished. No other process can be scheduled to run, no system services can be let to go on. AFAIK, not a single normal desktop OS exists that can continue to work while waiting for a swapping operation to complete.
Sorry for the offtopic though.