I've been experiencing a great deal of instability on my Verizon Galaxy S III, and I believe it's related to the WiFi driver, or at least something in the networking stack. I get daily full system crashes that cause soft reboots of the OS.
In order to trace to the root of the issue, I'd like to see historical crash data for the Android OS. Please note that I am NOT developing an app, and I do not want instruction on how to use LogCat to trace issues within an in-development app. I want to see the Android system crash logs, but I'm not sure where to look for them.
After ANR happens, you would find call stack of related process at /data/anr/traces.txt
After application crashes, you might find call stack of crashed application under /data/tombstones directory.