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[Xen-users] Upgrading to Xen 3.1.0 Dom0 on Centos 5


  • To: <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Brent Meshier" <brent@xxxxxxxxxxx>
  • Date: Sat, 14 Jul 2007 01:08:29 -0400
  • Delivery-date: Fri, 13 Jul 2007 22:06:55 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcfF1QD6sYON8G7bTjukdyM8pYiYhw==

During boot LVM complains that it can't find /dev/VolGroup00/LogVol00 and
results in a kernel panic.  I'm using Dell 1950's with Dual Xeon 5245's CPUs
and 32GB RAM with the megaraid_sas kernel module.  I've tried downloading
the x86_64 binaries and creating an initrd with mkinitrd to load the
necessary modules using this command:

mkinitrd -v -f --with=megaraid_sas /boot/initrd-2.6.18-xen.img 2.6.18-xen

Creating initramfs
Looking for deps of module uhci-hcd
Looking for deps of module ohci-hcd
Looking for deps of module ehci-hcd
Looking for deps of module ext3
Looking for driver for device sda2
Looking for deps of module
pci:v00001028d00000015sv00001028sd00001F03bc01sc04i00
Looking for deps of module megaraid_sas
Looking for deps of module usb-storage
Looking for deps of module ide-disk
Looking for deps of module dm-mod
Looking for deps of module dm-mirror
Looking for deps of module dm-zero
Looking for deps of module dm-snapshot
Using modules:  /lib/modules/2.6.18-xen/kernel/drivers/usb/host/uhci-hcd.ko
/lib/modules/2.6.18-xen/kernel/drivers/usb/host/ohci-hcd.ko
/lib/modules/2.6.18-xen/kernel/drivers/usb/host/ehci-hcd.ko
/lib/modules/2.6.18-xen/kernel/fs/ext3/ext3.ko
/lib/modules/2.6.18-xen/kernel/drivers/scsi/megaraid/megaraid_sas.ko
/lib/modules/2.6.18-xen/kernel/drivers/usb/storage/usb-storage.ko
/lib/modules/2.6.18-xen/kernel/drivers/ide/ide-disk.ko
/lib/modules/2.6.18-xen/kernel/drivers/md/dm-mod.ko
/lib/modules/2.6.18-xen/kernel/drivers/md/dm-mirror.ko
/lib/modules/2.6.18-xen/kernel/drivers/md/dm-zero.ko
/lib/modules/2.6.18-xen/kernel/drivers/md/dm-snapshot.ko
/sbin/nash -> /tmp/initrd.PY4420/bin/nash
/sbin/insmod.static -> /tmp/initrd.PY4420/bin/insmod
copy from `/lib/modules/2.6.18-xen/kernel/drivers/usb/host/uhci-hcd.ko'
[elf64-x86-64] to `/tmp/initrd.PY4420/lib/uhci-hcd.ko' [elf64-x86-64]
copy from `/lib/modules/2.6.18-xen/kernel/drivers/usb/host/ohci-hcd.ko'
[elf64-x86-64] to `/tmp/initrd.PY4420/lib/ohci-hcd.ko' [elf64-x86-64]
copy from `/lib/modules/2.6.18-xen/kernel/drivers/usb/host/ehci-hcd.ko'
[elf64-x86-64] to `/tmp/initrd.PY4420/lib/ehci-hcd.ko' [elf64-x86-64]
copy from `/lib/modules/2.6.18-xen/kernel/fs/ext3/ext3.ko' [elf64-x86-64] to
`/tmp/initrd.PY4420/lib/ext3.ko' [elf64-x86-64]
copy from
`/lib/modules/2.6.18-xen/kernel/drivers/scsi/megaraid/megaraid_sas.ko'
[elf64-x86-64] to `/tmp/initrd.PY4420/lib/megaraid_sas.ko' [elf64-x86-64]
copy from
`/lib/modules/2.6.18-xen/kernel/drivers/usb/storage/usb-storage.ko'
[elf64-x86-64] to `/tmp/initrd.PY4420/lib/usb-storage.ko' [elf64-x86-64]
copy from `/lib/modules/2.6.18-xen/kernel/drivers/ide/ide-disk.ko'
[elf64-x86-64] to `/tmp/initrd.PY4420/lib/ide-disk.ko' [elf64-x86-64]
copy from `/lib/modules/2.6.18-xen/kernel/drivers/md/dm-mod.ko'
[elf64-x86-64] to `/tmp/initrd.PY4420/lib/dm-mod.ko' [elf64-x86-64]
copy from `/lib/modules/2.6.18-xen/kernel/drivers/md/dm-mirror.ko'
[elf64-x86-64] to `/tmp/initrd.PY4420/lib/dm-mirror.ko' [elf64-x86-64]
copy from `/lib/modules/2.6.18-xen/kernel/drivers/md/dm-zero.ko'
[elf64-x86-64] to `/tmp/initrd.PY4420/lib/dm-zero.ko' [elf64-x86-64]
copy from `/lib/modules/2.6.18-xen/kernel/drivers/md/dm-snapshot.ko'
[elf64-x86-64] to `/tmp/initrd.PY4420/lib/dm-snapshot.ko' [elf64-x86-64]
/sbin/lvm.static -> /tmp/initrd.PY4420/bin/lvm
/etc/lvm -> /tmp/initrd.PY4420/etc/lvm
`/etc/lvm/lvm.conf' -> `/tmp/initrd.PY4420/etc/lvm/lvm.conf'
Adding module uhci-hcd
Adding module ohci-hcd
Adding module ehci-hcd
Adding module ext3
Adding module megaraid_sas
Adding module usb-storage
Adding module ide-disk
Adding module dm-mod
Adding module dm-mirror
Adding module dm-zero
Adding module dm-snapshot


>From what I can tell at boot, it's either not loading the megaraid_sas
module or at least not correctly.  Here is a screenshot:

http://meshier.com/wp-content/uploads/2007/07/panic.jpg

On a side note, I thought it might be easier to build from source RPM, but
apparently there is no support:

/usr/bin/rpmbuild --rebuild xen-3.1.0-1.src.rpm
Installing xen-3.1.0-1.src.rpm
error: Architecture is not included: x86_64 

So any ideas why it won't mount root?


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