Re: [coLinux-devel] gentoo img. still seg faults with 0.5.4 and 0.6.0 snapshot

[keksov <ke...@gm...>]

Hello,

I just struggling with the same problem. Looks like I found a working solution
The whole stage 1 was compiled without any problem at all, but I've been stopped at
stage 2 by some weird problem with binutils... Now I'm just recompiling
everything without any CPU specific optimization...

And the problem is... i686 flag ;)
Just grab the file <your mirror
here>/releases/x86/2004.0/stages/x86/stage1-x86-pie-ssp-2004.0.tar.bz2
Below is just small script which I'm using to rebuild the system (tailor it
according to your needs)

mkdir -p /mnt/gentoo &&
mount -t ext3 /dev/cobd3 /mnt/gentoo && # change cobd3 to wherever you have your
new "partition"
cd /mnt/gentoo &&
rm -rf * && # just to be on a save side
mkdir boot &&
mkdir proc &&
mkdir tmp &&
chmod 1777 /mnt/gentoo/tmp &&
wget "<your mirror here>/releases/x86/2004.0/stages/x86/stage1-x86-pie-ssp-2004.0.tar.bz2" &&
bunzip2 stage1-x86-pie-ssp-2004.0.tar.bz2 && # this way it works perfectly
tar -xpf stage1-x86-pie-ssp-2004.0.tar &&
cat > ./etc/make.conf && # note: your are already at /mnt/gentoo <<EndOfText
CFLAGS="-O2"
USE="mmx sse -acpi -alsa -apm berkdb crypt cscope curl freetds gd gdbm gif -gnome gpm -gtk -gtk2
guile imagemagick innodb -java jpeg -kde libwww mysql ncurses nls pdflib perl -qt sasl samba ssl
tiff truetype -X xml xml2 zlib"
CXXFLAGS="${CFLAGS}"
GENTOO_MIRRORS="ftp://ftp.uni-erlangen.de/.mirrors/ftplinux/ftp.gentoo.org"
EndOfText
# note the absence of -mcpu flag in CFLAGS (sure, I'll be glad to provide it, but
# for some reason or other I didn't found yet the working combination of it and
# CHOST variable, which is also missing (let config script decide on its own, most
# probably it'll pick i386, not too optimal but we are just playing, aren't we? ;)

chroot /mnt/gentoo /bin/bash # Ok let's chroot now
env-update &&
source /etc/profile &&
cd /usr &&
wget "<your mirror here>/snapshots/portage-20040228.tar.bz2" && # grab the
# latest portage tree
tar -xpf  portage-20040228.tar.bz2 && # it works just fine, since we have non
# i386 optimized binary
scripts/bootstrap -f && # predownload base sources
scripts/bootstrap.sh && # take a cup of tee... Ok, ten cups of tee :))

To this point I had no problems at all...
But now try to install stage2...

emerge --fetchonly system && # predownload sources
emerge system

m> as other described in other posts gentoo still segfaults when untarring, 
m> some go smooth but larger packages never unpack (glibc for example) i 
m> also still havent managed to unpack vim, after several tries irssi and 
m> its dependencies did unpack, also tar, bzip2 and gzip eventually 
m> untarred, unfortunately recompiling those didnt help
m> i recompiled them with CFLAGS=-march=pentium4 -O2 -fomit-frame-pointer 
m> -mfpmath=sse -pipe  (those are proven to work well on my athlon-xp, just 
m> substituted the -march obviously), also with CFLAGS=-march=i386 and even 
m> CFLAGS= to force defaults

m> im running colinux on a P4 2.6GHz w/ 400mhz fsb laptop running Windows 
m> XP Pro Sp1
m> segfaults happened with the default flags of the image and with others 
m> that should work better was this a physical machine not some software layer

m> any information regarding others that also still show that problem, 
m> people who had that and found a fix, or info from developers if they are 
m> already working on a fix would be highly appreciated



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-- 
Best regards,
 keksov                            mailto:ke...@gm...