[Xen-users] Booting issue on CentOS 5.2+Xen 3.3.0

["David Gonzalez" <dgonzalezh@xxxxxxxxx>]

Hello All,

 

I finally compiled xen 3.3.0 using make World, installed it but I cannot get it to Boot, I always get kernel panic, kernel not sync kind of errors, I suppose it’s some hard disk or partition issue, my setup is as follows.

 

CentOS 5.2 x86_64 on a HP ML-115

 

Grub, menu.list

 

Entries

 

CentOS xen’s line

 

title CentOS (2.6.18-92.1.22.el5xen)

        root (hd0,0)

        kernel /xen.gz-2.6.18-92.1.22.el5 dom0_mem=1.8G

        module /vmlinuz-2.6.18-92.1.22.el5xen ro root=LABEL=/ console=tty0 noreboot

        module /initrd-2.6.18-92.1.22.el5xen.img

 

My line

title Xen 3.0 / XenLinux 2.6

        root (hd0,0)

        kernel /xen-3.3.gz dom0_mem=1.8G

        module /vmlinuz-2.6.18.8-xen ro root=LABEL=/ console=tty0 noreboot

        module /initrd-2.6.18.8-xen.img

 

/boot is on a regular partition / is also outside LVM but it never works. mount says

 

[root@ut3 ~]# mount

/dev/hda2 on / type ext3 (rw,noatime)

proc on /proc type proc (rw)

sysfs on /sys type sysfs (rw)

devpts on /dev/pts type devpts (rw,gid=5,mode=620)

/dev/mapper/vg0-lvUsr on /usr type ext3 (rw,noatime)

/dev/mapper/vg0-lvSrc on /usr/src type ext3 (rw,noatime)

/dev/mapper/vg0-lvOpt on /opt type ext3 (rw,noatime)

/dev/mapper/vg0-lvVar on /var type ext3 (rw,noatime)

/dev/mapper/vg0-lvSpool on /var/spool type ext3 (rw,noatime)

/dev/mapper/vg0-lvLog on /var/log type ext3 (rw,noatime)

/dev/mapper/vg0-lvWww on /var/www type ext3 (rw,noatime)

/dev/mapper/vg0-lvHome on /home type ext3 (rw,noatime)

/dev/mapper/vg0-lvMirror on /vz type ext3 (rw,noatime)

/dev/mapper/vg0-lvLfs on /install type ext3 (rw,noatime)

/dev/hda1 on /boot type ext3 (rw,noatime)

tmpfs on /dev/shm type tmpfs (rw)

none on /tmp type tmpfs (rw)

none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)

sunrpc on /var/lib/nfs/rpc_pipefs type

 

As you see I have a LVM setup and regular lines work, but my own line following Xen docs, doesn’t I even created an initrd image as it works on stock CentOS kernels.

 

Everything compiled fine and installed too, please help me, I always have the same problem when I compile custom kernels, my system can never boot, may be I have to compile LVM support into the kernel rather than as Module.

 

Has anyone made this work with similar setups as mine?

 

Can anyone give me a lead, thanks.

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