On Aug 10, 2009, at 8:41 PM, Bill Connelly wrote:

> On Aug 9, 2009, at 6:47 PM, Dan wrote:
>
>> At 2:51 PM -0400 8/9/2009, Bill Connelly wrote:

>>> 6. Leaving power to monitor and digital keyboard connected / On.
>>> Perhaps turning all these off with a dedicated power strip / switch
>>> (also a mixer board and amp system) affected the QS's knowledge of
>>> the monitor / ATI Radeon 9800 Pro, giving an occasional ATI card  
>>> error?
>>
>> Can you repeatedly sleep and wake (just) the display successfully?
>>
>> Shouldn't need to sleep the keyboard.
>
> Without removing the PCI card, I cannot try Sleep since my M-Audio
> Delta 2496 does not support it. I believe alone, I was able to Sleep
> the monitor off the ATI Radeon 9800 Pro ME.

After an electrical storm today, I plugged everything back in, and I  
get the old behavior of several kps on Startup, and after a Safeboot,  
things seem to be ok. Seagate 750GB is not dropping out, though, so far.

It looks like the BootCache gets messed up. From the Panic Log:

   Kernel loadable modules in backtrace (with dependencies):
          com.apple.iokit.IOStorageFamily(1.5.6)@0x6a7000->0x6c7fff
          com.apple.BootCache(30.4)@0x65b000->0x660fff


And after several Restarts, one of which is a {Safeboot, Restart},  
things appear normal again (will need to Startup a couple of times to  
verify).

I have logs in a Zip file if anyone wants to take a look.

Any reasoning why things go awry after turning all strips off, and  
unplugging the tower ... then in  reverse, starting up again?

Thanks

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