I have a new server, SuperServer 1027R-WRFT+, I setup Centos 6.5 x64 with raid-1 using SSD drives.<br />
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Latter I follow instructions to load xen using xen4centos wiki, not difficult, I had others servers running Xen with Centos 5.x x64.<br />
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Latter I setup my first vm Centos 6.5x64, after finish I setup my file settings using this template:<br />
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name = "MYSERVER"<br />
uuid = "9b753285-5bf4-6672-9997-a71f29684716"<br />
bootloader = "/usr/bin/pygrub"<br />
memory = 1024<br />
on_poweroff = "destroy"<br />
on_reboot = "restart"<br />
on_crash = "restart"<br />
disk = [ "tap:aio:/ext4/oerp/ddisk.img,xvda,w" ]<br />
vif = [ "mac=--:--:--:--:--,bridge=xenbr0,script=vif-bridge" ]<br />
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I start my vm with xm:<br />
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xm create /etc/xen/myvm1<br />
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Latter connect to my console:<br />
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xm create /etc/xen/myvm1<br />
Using config file "/etc/xen/myvm1".<br />
Started domain oerp-server (id=259)<br />
[<a href="mailto:root@oerpserver">root@oerpserver</a> log]# xm console myvm1<br />
PCI: Fatal: No config space access function found<br />
ipmi_si: Could not set up I/O space<br />
ipmi_si: Could not set up I/O space<br />
ipmi_si: Could not set up I/O space<br />
<br />
Kernel panic - not syncing: Attempted to kill init!<br />
Pid: 1, comm: init Not tainted 2.6.32-431.el6.x86_64 <a href="http://bugs.centos.org/view.php?id=1">0000001</a><br />
Call Trace:<br />
[<ffffffff815271fa>] ? panic+0xa7/0x16f<br />
[<ffffffff81077622>] ? do_exit+0x862/0x870<br />
[<ffffffff8118a865>] ? fput+0x25/0x30<br />
[<ffffffff81077688>] ? do_group_exit+0x58/0xd0<br />
[<ffffffff81077717>] ? sys_exit_group+0x17/0x20<br />
[<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b<br />
<br />
Here I destroy the vm.<br />
<br />
Now let see what happen with centos 5 x64 vm.<br />
<br />
I will just show u the console output:<br />
(SMP-)alternatives turned off<br />
Brought up 1 CPUs<br />
checking if image is initramfs... it is<br />
Grant table initialized<br />
NET: Registered protocol family 16<br />
Brought up 1 CPUs<br />
PCI: setting up Xen PCI frontend stub<br />
ACPI: Interpreter disabled.<br />
Linux Plug and Play Support v0.97 (c) Adam Belay<br />
pnp: PnP ACPI: disabled<br />
xen_mem: Initialising balloon driver.<br />
usbcore: registered new driver usbfs<br />
usbcore: registered new driver hub<br />
PCI: System does not support PCI<br />
PCI: System does not support PCI<br />
NetLabel: Initializing<br />
NetLabel: domain hash size = 128<br />
NetLabel: protocols = UNLABELED CIPSOv4<br />
NetLabel: unlabeled traffic allowed by default<br />
NET: Registered protocol family 2<br />
IP route cache hash table entries: 65536 (order: 7, 524288 bytes)<br />
TCP established hash table entries: 262144 (order: 10, 4194304 bytes)<br />
TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)<br />
TCP: Hash tables configured (established 262144 bind 65536)<br />
TCP reno registered<br />
audit: initializing netlink socket (disabled)<br />
type=2000 audit(1403035524.641:1): initialized<br />
VFS: Disk quotas dquot_6.5.1<br />
Dquot-cache hash table entries: 512 (order 0, 4096 bytes)<br />
Initializing Cryptographic API<br />
alg: No test for crc32c (crc32c-generic)<br />
ksign: Installing public key data<br />
Loading keyring<br />
- Added public key 691B840A64868995<br />
- User ID: CentOS (Kernel Module GPG key)<br />
io scheduler noop registered<br />
io scheduler anticipatory registered<br />
io scheduler deadline registered<br />
io scheduler cfq registered (default)<br />
pci_hotplug: PCI Hot Plug PCI Core version: 0.5<br />
rtc: IRQ 8 is not free.<br />
Non-volatile memory driver v1.2<br />
Linux agpgart interface v0.101 (c) Dave Jones<br />
brd: module loaded<br />
Xen virtual console successfully installed as xvc0<br />
Event-channel device installed.<br />
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2<br />
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx<br />
ide-floppy driver 0.99.newide<br />
usbcore: registered new driver hiddev<br />
usbcore: registered new driver usbhid<br />
drivers/usb/input/hid-core.c: v2.6:USB HID core driver<br />
PNP: No PS/2 controller found. Probing ports directly.<br />
i8042.c: No controller found.<br />
mice: PS/2 mouse device common for all mice<br />
md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27<br />
md: bitmap version 4.39<br />
TCP bic registered<br />
Initializing IPsec netlink socket<br />
NET: Registered protocol family 1<br />
NET: Registered protocol family 17<br />
XENBUS: Device with no driver: device/vbd/51712<br />
XENBUS: Device with no driver: device/vif/0<br />
XENBUS: Device with no driver: device/console/0<br />
Initalizing network drop monitor service<br />
Write protecting the kernel read-only data: 506k<br />
Red Hat nash version 5.1.19.6 starting<br />
Mounting proc filesystem<br />
Mounting sysfs filesystem<br />
Creating /dev<br />
Creating initial device nodes<br />
Setting up hotplug.<br />
Creating block device nodes.<br />
Loading ehci-hcd.ko module<br />
Loading ohci-hcd.ko module<br />
Loading uhci-hcd.ko module<br />
USB Universal Host Controller Interface driver v3.0<br />
Loading jbd.ko module<br />
Loading ext3.ko module<br />
Loading xenblk.ko module<br />
XENBUS: Waiting for devices to initialise: 295s...290s...285s...280s...275s...270s...265s...260s...255s...250s...245s...240s...235s...230s...225s...220s...215s...210s...205s...200s...195s...190s...185s...180s...175s...170s...165s...160s...155s...150s...145s...140s...135s...130s...125s...120s...115s...110s...105s...100s...95s...90s...85s...80s...75s...70s...65s...60s...55s...50s...45s...40s...35s...30s...25s...20s...15s...10s...5s...0s...<br />
XENBUS: Timeout connecting to device: device/vbd/51712 (local state 3, remote state 1)<br />
Loading dm-mod.ko module<br />
device-mapper: uevent: version 1.0.3<br />
device-mapper: ioctl: 4.11.6-ioctl (2011-02-18) initialised: <a href="mailto:dm-devel@redhat.com">dm-devel@redhat.com</a><br />
Loading dm-log.ko module<br />
Loading dm-mirror.ko module<br />
Loading dm-zero.ko module<br />
Loading dm-snapshot.ko module<br />
Loading dm-mem-cache.ko module<br />
Loading dm-region_hash.ko module<br />
Loading dm-message.ko module<br />
Loading dm-raid45.ko module<br />
device-mapper: dm-raid45: initialized v0.2594l<br />
Scanning and configuring dmraid supported devices<br />
Scanning logical volumes<br />
Reading all physical volumes. This may take a while...<br />
No volume groups found<br />
Activating logical volumes<br />
Volume group "VolGroup00" not found<br />
Creating root device.<br />
Mounting root filesystem.<br />
mount: could not find filesystem '/dev/root'<br />
Setting up other filesystems.<br />
Setting up new root fs<br />
setuproot: moving /dev failed: No such file or directory<br />
no fstab.sys, mounting internal defaults<br />
setuproot: error mounting /proc: No such file or directory<br />
setuproot: error mounting /sys: No such file or directory<br />
Switching to new root and running init.<br />
unmounting old /dev<br />
unmounting old /proc<br />
unmounting old /sys<br />
switchroot: mount failed: No such file or directory<br />
Kernel panic - not syncing: Attempted to kill init!
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