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> 
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.
GLEBIUS-RIPN GLEB-RIPE


More information about the freebsd-net mailing list