For clarification, this is of course after trying to place the kernels RPMs and the kernel itself in "/install/custom/v6.6.0-dl-genesisbuild/kernel" since I tried defining that path in my osimage definition.

On 2/11/2015 9:46 AM, Russell Jones wrote:
It is empty, there's no boot directory.

I guess my real question is, what is the correct procedure for building a stateless image with a different kernel for CentOS 6? I have tried placing the kernel itself in /install/kernels/$kernel-ver, as well as a repo of the kernel RPMs and both do not work. Do I need to make the boot directory itself in the $rootimg_dir and place the kernels there?

Thanks!


On 2/11/2015 8:43 AM, Ling Gao wrote:
Hi Russell,
    It looks like it failed at these lines of code in genimage:

# copy the kernel to $destdir
if ( -e "$rootimg_dir/boot/vmlinux-$kernelver") {
cp("$rootimg_dir/boot/vmlinux-$kernelver", "$destdir/kernel");
} elsif ( -e "$rootimg_dir/boot/vmlinuz-$kernelver") {
cp("$rootimg_dir/boot/vmlinuz-$kernelver", "$destdir/kernel");
} elsif ( -e "$rootimg_dir/boot/image-$kernelver") {
cp("$rootimg_dir/boot/image-$kernelver", "$destdir/kernel");
} else {
xdie("couldn't find the kernel file matched $kernelver in $rootimg_dir/boot");
}

What are the files under /install/netboot/centos6.6/x86_64/v6.6.0-dl-genesisbuild/rootimage/boot firectory?
The code is looking for something like
 vmlinux-2.6.32-431.el6.x86_64 or
 vmlinuz-2.6.32-431.el6.x86_64 or
 image-2.6.32-431.el6.x86_64.

Hope it helps,


Ling

Ling Gao
Poughkeepsie Unix Development Lab
IBM Systems and Technology Group
Internal: T/L 293-5692
External: [email protected], 845-433-5692

"I never worry about the future. It comes soon enough." --- Albert Einstein



From: Russell Jones <[email protected]>
To: <[email protected]>
Date: 02/10/2015 05:09 PM
Subject: [xcat-user] Building diskless image with different kernel version
------------------------------------------------------------------------



Hi all,

I am attempting to build a diskless image with a different kernel version, but not having much luck. I am getting the following error:

[root@evxcat kernel]# genimage v6.6.0-dl-genesisbuild
Generating image:
cd /opt/xcat/share/xcat/netboot/centos; ./genimage -a x86_64 -o centos6.6 -p v6.6.0-dl-genesisbuild -i eth0 -k 2.6.32-431.el6.x86_64 --permission 755 --kerneldir /install/custom/v6.6.0-dl-genesisbuild/kernel --srcdir /install/centos6.6/x86_64 --pkglist /install/custom/v6.6.0-dl-genesisbuild/v6.6.0-dl-genesisbuild.pkglist --rootimgdir /install/netboot/centos6.6/x86_64/v6.6.0-dl-genesisbuild --tempfile /tmp/xcat_genimage.31434 --noupdate 1 v6.6.0-dl-genesisbuild mknod: `/install/netboot/centos6.6/x86_64/v6.6.0-dl-genesisbuild/rootimg/dev/null': No such file or directory sh: line 0: cd: /install/netboot/centos6.6/x86_64/v6.6.0-dl-genesisbuild/rootimg/etc/rc3.d: No such file or directory sh: line 0: cd: /install/netboot/centos6.6/x86_64/v6.6.0-dl-genesisbuild/rootimg/etc/rc3.d: No such file or directory sh: /install/netboot/centos6.6/x86_64/v6.6.0-dl-genesisbuild/rootimg/sbin/fsck.nfs: No such file or directory chmod: cannot access `/install/netboot/centos6.6/x86_64/v6.6.0-dl-genesisbuild/rootimg/sbin/fsck.nfs': No such file or directory
chroot: failed to run command `rpm': No such file or directory
chroot: failed to run command `rpm': No such file or directory
couldn't find the kernel file matched 2.6.32-431.el6.x86_64 in /install/netboot/centos6.6/x86_64/v6.6.0-dl-genesisbuild/rootimg/boot at ./genimage line 72.

[root@evxcat kernel]# lsdef -t osimage v6.6.0-dl-genesisbuild
Object name: v6.6.0-dl-genesisbuild
   groups=all
   imagetype=linux
   kerneldir=/install/custom/v6.6.0-dl-genesisbuild/kernel
   kernelver=2.6.32-431.el6.x86_64
   nodebootif=eth0
   osarch=x86_64
   osdistroname=centos6.6-x86_64
   osname=Linux
   osvers=centos6.6
   permission=755
   pkgdir=/install/centos6.6/x86_64
 pkglist=/install/custom/v6.6.0-dl-genesisbuild/v6.6.0-dl-genesisbuild.pkglist
 postscripts=syslog,confignics,syncfiles,setupntp,addsiteyum
   profile=v6.6.0-dl-genesisbuild
   provmethod=netboot
 rootimgdir=/install/netboot/centos6.6/x86_64/v6.6.0-dl-genesisbuild

[root@evxcat kernel]# ll /install/custom/v6.6.0-dl-genesisbuild/kernel
total 81844
-rw-r--r-- 1 root root 29038424 Feb 10 15:49 kernel-2.6.32-431.el6.x86_64.rpm -rw-r--r-- 1 root root 2235524 Feb 10 15:49 kernel-abi-whitelists-2.6.32-431.el6.noarch.rpm -rw-r--r-- 1 root root 29750344 Feb 10 15:49 kernel-debug-2.6.32-431.el6.x86_64.rpm -rw-r--r-- 1 root root 9167492 Feb 10 15:49 kernel-devel-2.6.32-431.el6.x86_64.rpm -rw-r--r-- 1 root root 13601072 Feb 10 15:49 kernel-firmware-2.6.32-431.el6.noarch.rpm
drwxr-xr-x 2 root root     4096 Feb 10 15:49 repodata

Any idea what's bombing here? The errors make no sense.

Thanks!

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hub for all things parallel software development, from weekly thought
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look and join the conversation now.http://goparallel.sourceforge.net/


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------------------------------------------------------------------------------
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sponsored by Intel and developed in partnership with Slashdot Media, is your
hub for all things parallel software development, from weekly thought
leadership blogs to news, videos, case studies, tutorials and more. Take a
look and join the conversation now. http://goparallel.sourceforge.net/


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