On Thu, 15 Jul 1999, Luoqi Chen wrote:
> > I realise that will stop the panic from looking at the source code, but
> > surely it's just covering up the problem and waiting for it to happen
> > later?
> >
> I'm pretty it's caused by the INVARIANTS option, similar incidents have been
> reported many times before. The problem with INVARIANTS is that 1. it alters
> data structures, 2. kernel modules don't know about this option, so you
> have inconsistent kernel and modules. There're three solutions,
>
> 1, make INVARIANTS less intrusive. So far only vm_zone code is causing
> problems, I suggest we rename the option to INVARIANTS_ZONE in this part
> of code (the code should be pretty much bug free by now).
>
> 2, compile modules with the option. The easiest way is probably add
> -DINVARIANTS in your /etc/make.conf, you have to remember to take it
> out when you remove the option from your config file.
I apply the following to freshly checked-out sources:
--- src/sys/modules/Makefile.inc.orig Fri Oct 16 00:31:35 1998
+++ src/sys/modules/Makefile.inc Sun Mar 14 23:03:02 1999
@@ -1,3 +1,8 @@
# $Id: Makefile.inc,v 1.1 1998/10/16 04:31:35 peter Exp $
KLDMOD= true
+CFLAGS+= -DINVARIANTS
+NTUN=4
+PPP_FILTER=1
+VM86=1
+CFLAGS+= -g
>
> 3, do not use INVARIANTS if you don't need it. :)
>
> -lq
>
>
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