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

[Martin Goldstone <m.j.goldstone@xxxxxxxxxxxxxxx>]

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I've had this very same problem, but I couldn't find a solution, other
than to not use LVM, which is what I settled on.  I think you should
still be able to use LVM, just not for the root device, but I've not
tested that.

Martin

Brent Meshier wrote:
> 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?
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
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