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illegal instruction using chroot on i7-2600
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svoop
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Joined: 11 Jan 2009
Posts: 39

PostPosted: Mon Nov 05, 2012 9:16 am    Post subject: illegal instruction using chroot on i7-2600 Reply with quote

Hi

I've installed Gentoo on a i7-2600 (sandy bridge) as Xen dom0 and now try to install a Gentoo domU.

After having downloaded and unpacked stage3 and portage to the domU partition, I've tried:

Code:
mount -t proc none /mnt/dom1-tango/proc
mount -o bind /dev /mnt/dom1-tango/dev
chroot /mnt/dom1-tango /bin/bash
Illegal instruction


The chroot binary was compiled with the following settings in make.conf (I'm on GCC 4.5.4 p1.0):

Code:
CHOST="x86_64-pc-linux-gnu"
CFLAGS="-march=core2 -msse4.1 -msse4.2 -mtune=generic -O2 -pipe"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j3"


I've also tried without "-msse4.1 -msse4.2", same result. And the precompiled binary from stage3 fails as well.

Here's the cpuinfo:

Code:
processor   : 7
vendor_id   : GenuineIntel
cpu family   : 6
model      : 42
model name   : Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz
stepping   : 7
microcode   : 0x1a


Any idea what's wrong here?

Thanks a bunch for your help!
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cach0rr0
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PostPosted: Tue Nov 06, 2012 6:52 am    Post subject: Reply with quote

what's the exact link to the stage3 tarball you used?
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svoop
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PostPosted: Tue Nov 06, 2012 7:48 am    Post subject: Reply with quote

cach0rr0 wrote:
what's the exact link to the stage3 tarball you used?


ftp://mirror.switch.ch/mirror/gentoo/releases/amd64/current-stage3/stage3-amd64-20121013.tar.bz2

I've used the same stage3 to install the dom0 without any problem.
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