On Fri, Apr 18, 2008 at 5:28 PM, Tomasz Nowak <tnowak-p at netventure.pl> wrote: > I've managed to install CentOS 5.1 on S5000PAL > with fakeraid Intel Embedded Raid Technology II > Raid1 (LSI chipset) with some help of kickstart > declaration 'driverdisk --source=http://.../driver.img' > > Then I've had some problems with yum update - new kernel > didn't know about megasr.ko. I've solved it with commands: > > cd /lib/modules/ > cp 2.6.18-53.el5PAE/updates/megasr.ko 2.6.18-53.1.14.el5PAE/updates/ > depmod -a 2.6.18-53.1.14.el5PAE > mkinitrd /boot/initrd-2.6.18-53.1.14.el5PAE-new.img 2.6.18-53.1.14.el5PAE > > at last I've edited grub.conf add '-new' to initr definition. > > I'm not sure why I need to do that twice, but it finally worked.: > # uname -r > 2.6.18-53.1.14.el5PAE > > Now I need to install Xen, so: > # yum -y install xen kernel-xen > > After installation I've tried the same command sequence: > cd /lib/modules/ > cp 2.6.18-53.el5PAE/updates/megasr.ko 2.6.18-53.1.14.el5xen/updates/ > depmod -a 2.6.18-53.1.14.el5xen > mkinitrd /boot/initrd-2.6.18-53.1.14.el5xen-new.img 2.6.18-53.1.14.el5xen > vi /etc/grub.conf (add -new, etc..) > > BUT xen kernel won'ts start. Kernel panic, 'unable to mount root', etc. > > Am I missing something? > Is it possible to make it work? You cannot just copy the module built for the PAE kernel to use it for the xen kernel. Check the module by running: /sbin/modinfo /lib/modules/2.6.18-53.el5PAE/updates/megasr.ko and look for vermagic: . The kernel type should match your running kernel. You would need to build one for the xen kernel if the precompiled module is not available. Akemi