Re: Can NMI drop a hanging FreeBSD kernel into DDB?

[Warner Losh]

In message <[EMAIL PROTECTED]> Alfred Perlstein writes:
: hit ctrl+alt+esc on the console, or send a serial break if using
: a serial console, make sure you have BREAK_TO_DEBUGGER if you're
: using a serial console.

Sometimes this isn't enough.

I use the NMI trick often.

However, it won't work if you are hacking pci hardware and manage to
hang the PCI bus.

Warner


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