EM stability

Gleb Smirnoff glebius at FreeBSD.org
Fri Nov 10 22:45:57 UTC 2006

On Fri, Nov 10, 2006 at 04:28:30PM -0600, Barry Boes wrote:
B> Luck ran out.  Hard "must press the reset button" hang.  No console
B> messages.   The system was idle at the time.
B>    Is there anything you'd like me to do to attempt to narrow down the
B> problem or get debugging output?  I do not know if the freeze was
B> related to em or something else.

In cases like this you need to prepare a kernel with debugger compiled
in and try to exit into the debugger, when the hang occurs. You can
try keyboard debugger sequence, and if it fails try serial break.

Totus tuus, Glebius.

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