[dtrace-discuss] Diagnosing into server crash
Chip Bennett
cbennett at laurustech.com
Wed Jan 17 09:02:12 PST 2007
To use DTrace to analyze a crash dump, you need to have been running
DTrace when the system crashed. Take a look at chapter 37, Postmortem
Tracing, in the Solaris Dynamic Tracing Guide. The basic idea is that
you can trace into a single ring buffer (wraps-around), and then after
the crash, find the buffer and dump the trace output for whatever length
ring buffer was allocated.
Chip
Andreas.Haas at Sun.COM wrote:
> Hi all,
>
> can anyone point me to a document that descirbes how to trace into an
> OS crash under Solaris 10? My hope is to get target-oriented
> description to
> figure out the system call and the process/thread that lead to the crash.
>
> Regards,
> Andreas
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