Hey Folks,

Starting on Friday night, my laptop started having mysterious 5-minute hangs. 
Since I had installed Java update 7 (for Snow Leopard) earlier, I thought this 
was the culprit. I played around some more, however, and found that if I try to 
open specific folders, I get a spinning beachball, and the Finder crashes. If I 
use the terminal to go to the folder, and then try to open an application in 
the folder, I get a "Bus Error" message in the Terminal, and the application 
acts wonky.

In the console, after the long delays, there are often three messages (in the 
All Messages section):

kernel disk0s2: I/O error
kernel
kernel

This makes me think my hard drive is going south, despite the fact that Disk 
Utility is happy with it.

Question 1: Is there any way this could be a software error?

Question 2: I could not run the hardware test on the computer, because booting 
up with the D key just paused for a while and then booted normally. I do not 
have my Snow Leopard install disk, however, because I was on the road and left 
it at my brother's house in California. Is it worth my buying a new Snow 
Leopard disk just to run the hardware test? 

Question 3: I have a 2-week-old backup (from being on the road), and today I 
backed up the important files which have changed [1]. Would it be best to wipe 
the hard drive, put the cloned image on, and then fix up the files, or is this 
a waste of time which could leave my system in an unbootable state?

Any tips would be much appreciated,

Bill

[1] This is easy, because they are on their own encrypted disk images.


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