On Sat, Jul 24, 2004 at 08:33:57PM -0500, Conrad J. Sabatier wrote: > > On 25-Jul-2004 Scott Long wrote: > > Conrad J. Sabatier wrote: > > > >> For the last couple of days, my amd64 box has taken to spontaneously > >> rebooting. No panic, no coredump, nothing in logs, just reboots. > >> > >> These always seem to occur just as I'm clicking on something under > >> GNOME. > >> > >> Very mysterious! > >> > > > > Do you have INVARIANTS turned on? > > No, I really should do that. Don't know why I hadn't already. Duh. > :-) > > > If you do, would you be able to > > hook up a serial console and see what the kernel is saying? > > Been meaning to ask about that. Would a null modem connection from my > other machine be useable as the serial console? I have all the kernel > config options and the sio flags set to enable the serial console, but > wasn't sure if that would work or not. If so, I could try that. Absolutely; I just set this up a few days ago, so I know this works with -CURRENT. First, set the sio.0.flags hint in /boot/device.hints to "0x90" so it is a vailable for use as a serial console. Then, set up the kernel with DDB and KDB and set /etc/sysctl.conf to turn the debug.debugger_on_panic switch to 1. You should probably be running with at least WITNESS and INVARIANTS, but not necessarily DIAGNOSTIC. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green_at_FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\Received on Sun Jul 25 2004 - 01:53:17 UTC
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