freebsd stable - Jun 2006 - 6.1 buildkernel question

My system works, however the buildkernel process had about 2000 warnings, with
1/2 of those compiling aic7xxx (see below). This was discussed on BSDForums but
as far as I can tell, different compiler options were used; the conclusion was
using -O3 was the problem.

I did a clean install from a 6.1 ISO, selecting the minimum footprint and
cvsup'd from cvsup10.FreeBSD.org @ May 30 17:48. I used the GENERIC kernel
commenting out all cpu directive except I686_CPU. I changed nothing in
make.conf, leaving the default of:

# added by use.perl 2006-06-01 01:40:49
PERL_VER=5.8.8
PERL_VERSION=5.8.8

My change to the kernel conf file:

diff -u GENERIC ARTEMIS
--- GENERIC     Sun Apr 30 13:39:42 2006
+++ ARTEMIS     Wed May 31 18:15:59 2006
@@ -19,10 +19,10 @@
 # $FreeBSD: src/sys/i386/conf/GENERIC,v 1.429.2.9 2006/04/30 17:39:42 scottl
Exp $

 machine                i386
-cpu            I486_CPU
-cpu            I586_CPU
+#cpu           I486_CPU
+#cpu           I586_CPU
 cpu            I686_CPU
-ident          GENERIC
+ident          ARTEMIS


cc -O2 -fno-strict-aliasing -pipe -DAHD_REG_PRETTY_PRINT=1 -D_KERNEL -DKLD_MODUL
E -nostdinc -I-   -DHAVE_KERNEL_OPTION_HEADERS -include /usr/obj/usr/src/sys/ART
EMIS/opt_global.h -I. -I@ -I@/contrib/altq -I@/../include -finline-limit=8000 -f
no-common -g -I/usr/obj/usr/src/sys/ARTEMIS -mno-align-long-strings -mpreferred-
stack-boundary=2  -mno-mmx -mno-3dnow -mno-sse -mno-sse2 -ffreestanding -Wall -W
redundant-decls -Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpoi
nter-arith -Winline -Wcast-qual  -fformat-extensions -std=c99 -c /usr/src/sys/mo
dules/aic7xxx/ahd/../../../dev/aic7xxx/aic79xx.c
/usr/src/sys/modules/aic7xxx/ahd/../../../dev/aic7xxx/aic79xx.c: In function `ah
d_clear_msg_state':
./machine/bus.h:221: warning: inlining failed in call to
'bus_space_read_1': --p
aram inline-unit-growth limit reached
/usr/src/sys/modules/aic7xxx/ahd/../../../dev/aic7xxx/aic79xx.c:127: warning: ca
lled from here
./machine/bus.h:221: warning: inlining failed in call to
'bus_space_read_1': --p
aram inline-unit-growth limit reached
      :

If there is any interest in pursuing this, I have the full output from the
buildkernel.


_____
Douglas Denault
http://www.safeport.com
doug@safeport.com
Voice: 301-469-8766
  Fax: 301-469-0601

On Fri, 2 Jun 2006, doug@safeport.com wrote:
> My system works, however the buildkernel process had about 2000 
> warnings, with 1/2 of those compiling aic7xxx (see below). This was 
> discussed on BSDForums but as far as I can tell, different compiler 
> options were used; the conclusion was using -O3 was the problem.
Using compilation options other than the defaults (except for options 
enabled through the CPUTYPE make.conf option) is not recommended or 
supported. Bug reports about compile errors or warnings while non-standard 
options are enabled will be ignored.

That being said:
> ./machine/bus.h:221: warning: inlining failed in call to
'bus_space_read_1': --p
> aram inline-unit-growth limit reached
This is normal. We're not entirely sure how we're hitting the limit in 
this component, but the warning is harmless. You may safely ignore this 
message.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org