Fails to boot after buildworld

Giorgos Keramidas keramida at ceid.upatras.gr
Wed Nov 9 18:42:35 PST 2005


On 2005-11-09 20:53, myfreebsd at cox.net wrote:
> Hey all,
>
> I don't know if this is a bug somewhere in the source but my
> system will not boot after I buildworld FreeBSD 6.0. I get the
> error:
>
> Can't work out which disk to boot from
>
> This error occurs right after the loader is booted and before
> the FreeBSD menu. System of course stalls here and says to
> press a key to reboot.
>
> I used the GENERIC kernel, empty loader.conf, my cvs tag =
> RELENG_6 and my make.conf has:
>
> CPUTYPE?=pentium4
> CFLAGS= -O2 -mmmx -msse -msse2 -pipe -funroll-loops -ffast-math
> CXXFLAGS+= -fconserve-space
> COPTFLAGS= -O2 -pipe -funroll-loops -ffast-math

Try without all those fancy optimizations.  There's a very good
comment in /usr/share/examples/etc/make.conf' which you may be
interested in reading carefully:

# CFLAGS controls the compiler settings used when compiling C code.
# Note that optimization settings other than -O and -O2 are not recommended
# or supported for compiling the world or the kernel - please revert any
# nonstandard optimization settings to "-O" or -O2 before submitting bug
# reports without patches to the developers.

- Giorgos

PS: Please, ignore the automatically forced 'footer' below.  It's
automatically added by the Exchange server I'm behind and has no
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