3Ware 8506 Series, 3DM, Upgrading to 9000 Series

[Paul Saab]

Alasdair Lumsden (enquiries at alivewww.com) wrote:
> On Thu, 2004-07-01 at 22:51, Paul Saab wrote:
> > Have you gotten a crashdump after one of these lockups?
> 
> I've got debugging symbols enabled in the kernel, and dumpdev set in
> rc.conf - if the box panics then the crash dump information gets written
> to /var/crash on next boot. However with this particular problem there
> is no panic.

There is a debugger where you can force a panic on a hang.  That's what
DDB/BREAK_TO_DEBUGGER/ALT_BREAK_TO_DEBUGGER are for.