Re: [Xen-users] ntpd under Xen Dom0 exhibits extremely high jitter/noise? runs stable/quiet under non-xen kernel.

[mail ignored <0.bugs.only.0@xxxxxxxxx>]

ok, both _should_ be simple enough.

On Thu, Jan 14, 2010 at 11:14 PM, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote:
> xen.org's 2.6.18 kernel -> build from src,
> http://www.xen.org/products/xen_source.html

tried that; scads of errors @ make.

tried a build of opensuse kernel src, just to check my procedure -- works fine.

> RHEL/Centos kernel rpm ->  quite tricky, admittedly :D
> I suppose you could try something like this
>
> wget -c 
> http://mirror.centos.org/centos/5.4/centosplus/x86_64/RPMS/kernel-xen-2.6.18-164.10.1.el5.centos.plus.x86_64.rpm
> mkdir tmp-root
> cd tmp-root
> rpm2cpio ../kernel-xen-2.6.18-164.10.1.el5.centos.plus.x86_64.rpm | cpio -idmv
> cp -a ./boot/* /boot
> cp -a ./lib/modules/* /lib/modules
>
> that is, extract the contents of kernel-xen rpm, and take only what's
> in /boot and /lib/modules. After this you need to build initrd. The
> command should be mkinitrd (haven't done this for a long time in
> opensuse, so I forgot the exact syntax). Then you need to edit to add
> the kernel and initrd entry to /boot/grub/menu.lst.

it *is* just mkinitrd ... but, when i do,

 mkinitrd

Kernel image:   /boot/vmlinuz-2.6.18-164.10.1.el5.centos.plusxen
Initrd image:   /boot/initrd-2.6.18-164.10.1.el5.centos.plusxen
Root device:    /dev/root (mounted on / as ext4)
Resume device:  /dev/md2
setup-md.sh: md1 found multiple times
modprobe: Could not load
/lib/modules/2.6.18-164.10.1.el5.centos.plusxen/modules.dep: No such
file or directory
WARNING: no dependencies for kernel module 'raid0' found.
modprobe: Could not load
/lib/modules/2.6.18-164.10.1.el5.centos.plusxen/modules.dep: No such
file or directory
WARNING: no dependencies for kernel module 'raid1' found.
modprobe: Could not load
/lib/modules/2.6.18-164.10.1.el5.centos.plusxen/modules.dep: No such
file or directory
WARNING: no dependencies for kernel module 'raid456' found.
...
...
...

where do i get the modules.dep file?  afaict, it's not in the redhat
.rpm's extract.

thanks.

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