On Wed, Jun 29, 2005 at 06:05:35AM -0400, Kris Kennaway wrote: > On Tue, Jun 28, 2005 at 11:26:06AM -0400, Matt Juszczak wrote: > > > >OK, when it crashes next and is sat at the "db>" prompt, type "tr" and > > >press enter to get a trace. Copy this down (or have a serial console to > > >capture the output). Also, try typing "call doadump()" and see if that > > >succeeds in generating a crash dump. How were you trying to generate > > >one before? > > > > > >Gavin > > > > > > > > > > I can't type anything. The machine locks up. > > > > See: http://paste.atopia.net/126 > > > > After CPUID: 1, the machine locks cold and nothing else is printed to > > the screen. > > Try two things: > > 1) adding 'options KDB_STOP_NMI' to your kernel config.
I just learned that you also need to set the debug.kdb.stop_cpus_with_nmi=1 sysctl (e.g. in sysctl.conf). Kris
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