On Thu, Nov 18, 2010 at 12:08:11PM +0100, chefren wrote: > We use a custom i386 RAMDISK_CD kernel: basically we add most options from > GENERIC and > GENERIC.MP. > > Upgrading from 4.6 to 4.8, this kernel hangs forever after: > root on rd0a swap on rd0b dump on rd0b > > The problem turns out to be MP; activation of the secondary processors. > > The custom kernel works fine on a single-core machine, and a recompiled > kernel without > config lines > option MULTIPROCESSOR > cpu* at mainbus? > also works fine everywhere. > > > -- > The problem can be reproduced by simply adding those two MP config lines to > the standard > RAMDISK_CD kernel config. > >
It is likely that this is an 'option SMALL_KERNEL' interaction, however realize this is a configuration that OpenBSD isn't likely to support. Dale Rahn dr...@dalerahn.com