After much frustration, I think I have narrowed down the culprit to all my recent crashes, no thanks to Wacom Support but a lot of gratitude to the Internet and some patient Google searching for information on similar issues.
Apparently, a number of Wacom Tablet users have been experiencing issues with their tablets after upgrading Mac OS X Leopard 10.5.1 to 10.5.3 or even 10.5.2. I have found a forum member post the same error messages that I was getting from the Console of my Mac Pro.
I have re-installed Mac OS X once again, but after the installation I did not do any Software Update. I have been running 10.5.1 since this Sunday morning and so far I have not suffered any crashes yet.
My suspicion that the update is causing the crash is becoming stronger when I look back a number of weeks ago when I just got the Cintiq. I believe I was still running 10.5.1 back then and the Mac Pro and the Cintiq were working flawlessly. Fast forward to two weeks ago when I made the Software Update to 10.5.3. That’s when all this dreaded falling curtain of death started appearing.
If I remember correctly, 10.5.3 was announced sometime two weeks ago. I held off for a week before doing the Software Update. But previous to that, I had a crash and that was probably running 10.5.2.
So, apparently these two updates broke the Wacom Tablet Driver.
I will continue running under 10.5.1 from now on. It was fine when I first worked on it the first time the Mac Pro arrived here. It’s just unfortunate that I have lost confidence working on it and fear a crash will be imminent any moment now.
I wish it would not.