Part 3. Case Histories
Introduction to the Case Studies
Postmortem analysis of UNIX system crash dumps always involves the same initial investigative work. We begin the analysis by collecting information including:
System identification
System boot time
System crash time
Messages that appeared during the crash or hang
Whether the system was hung, panic’ed or trapped
Stack traceback
This data might be likened to a medical doctor’s check of blood pressure, temperature, pulse, and respiration, followed by an open probe such as “So, what’s wrong?”, which is answered by the patient. The doctor may do this for every patient who walks into his office.
Using this initial information, the doctor then begins a more detailed analysis of the problem using information ...
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