On Wed, Jun 13, 2007 at 07:26:51PM -0700, Yong Rao wrote:
> Hello,
>
>
>
> Recently, in developing our driver, we found the core dump did not work
> on the FBSD OS 6.2. It hung at the beginning of core dump when crash
> happened.
This can happen when the panic involves the storage subsystem, or if
something else is performing I/O (i.e. holding a relevant lock) at the
time of panic. Online debugging using ddb helps a lot.
Kris
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