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svoop
n00b
Joined: 11 Jan 2009
Posts: 63
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 Posted: Mon Nov 05, 2012 7:59 pm Post subject: chroot with bash: illegal instruction |
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Hi
(I've posted this in "Installing Gentoo", but here's probably a better place to ask.)
I've installed Gentoo on a i7-2600 (sandy bridge) as Xen dom0, no problem at all. Now I try to install a Gentoo domU.
After having downloaded and unpacked stage3 and portage to the domU partition /mnt/dom1-tango, now I'm stuck here:
| 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 |
I don't know whether chroot or bash causes the error. However, I can use both of them individually without any problem. The following work just fine:
| Code: | /mnt/dom1-tango/bin/bash
/usr/bin/chroot /bin/ls |
The problem persists if I replace /mnt/dev-tango/bin/bash with /bin/bash.
The dom0 binaries were 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 |
I'm running out of options here, any idea what's wrong here?
Thanks a bunch for your help! |
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eccerr0r
Watchman
Joined: 01 Jul 2004
Posts: 9677
Location: almost Mile High in the USA
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| Posted: Mon Nov 05, 2012 8:30 pm Post subject: |
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How were the libraries in the chroot built? Bash in the chroot will use the library in the chroot.
There are a lot of libraries in play here, should start with glibc, then readline and termcap... and there's more...
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Intel Core i7 2700K/Radeon R7 250/24GB DDR3/256GB SSD
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svoop
n00b
Joined: 11 Jan 2009
Posts: 63
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