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[Xen-users] RE: RedHat DomU hanging

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] RE: RedHat DomU hanging
From: AZZOPARDI Konrad <azzopardi@xxxxxxx>
Date: Wed, 05 Nov 2008 19:27:14 +0100
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Maybe someone can help me.... I have a guest XEN image that ran well until 
today. I use an LVM partition to host the guest and today on Dom0 I added 
another LVM to be available to this domU.

This were all the commands I issued :

On hypervisor 

lvcreate -n lintra02data -L 30G rootvg
vi /etc/xen/lintra02 and add volume to file like this :
disk = [ 

Reboot virtual machine
On lintra02
pvcreate /dev/xvdb
vgcreate datavg /dev/xvdb
lvcreate --extents 100%VG -n lv_data1 datavg

mkfs.ext3 /dev/datavg/lv_data1
created /data folder
edit fstab and added /data 

When I rebooted the machine again , unfortunately the guest gets stuck here :

Started domain lintra02
Bootdata ok (command line is  ro root=/dev/rootvg/lv_root rhgb)
Linux version 2.6.18-53.1.13.el5xen (brewbuilder@xxxxxxxxxxxxxxxxxxxxxxxxxxx) 
(gcc version 4.1.2 20070626 (Red Hat 4.1.2-14)) #1 SMP Mon Feb 11 13:41:50 EST 
BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 0000000030800000 (usable)
No mptable found.
Built 1 zonelists.  Total pages: 198656
Kernel command line:  ro root=/dev/rootvg/lv_root rhgb
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 32768 bytes)
Xen reported: 2792.578 MHz processor.
Console: colour dummy device 80x25
Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
Software IO TLB disabled
Memory: 758016k/794624k available (2357k kernel code, 27720k reserved, 1326k 
data, 172k init)
Calibrating delay using timer specific routine.. 6983.67 BogoMIPS (lpj=13967358)
Security Framework v1.0.0 initialized
SELinux:  Initializing.
selinux_register_security:  Registering secondary module capability
Capability LSM initialized as secondary
Mount-cache hash table entries: 256
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 1024K (64 bytes/line)
CPU: Physical Processor ID: 0
CPU: Processor Core ID: 0
(SMP-)alternatives turned off
Brought up 1 CPUs
checking if image is initramfs... it is
Grant table initialized
NET: Registered protocol family 16
ACPI Exception (utmutex-0262): AE_BAD_PARAMETER, Thread 3E7A0 could not acquire 
Mutex [2] [20060707]
ACPI Exception (utmutex-0262): AE_BAD_PARAMETER, Thread 3E7A0 could not acquire 
Mutex [2] [20060707]
Initializing CPU#1
Brought up 2 CPUs
PCI: setting up Xen PCI frontend stub
ACPI: Interpreter disabled.
Linux Plug and Play Support v0.97 (c) Adam Belay
pnp: PnP ACPI: disabled
xen_mem: Initialising balloon driver.
usbcore: registered new driver usbfs
usbcore: registered new driver hub
PCI: System does not support PCI
PCI: System does not support PCI
NetLabel: Initializing
NetLabel:  domain hash size = 128
NetLabel:  protocols = UNLABELED CIPSOv4
NetLabel:  unlabeled traffic allowed by default
NET: Registered protocol family 2
IP route cache hash table entries: 32768 (order: 6, 262144 bytes)
TCP established hash table entries: 131072 (order: 9, 2097152 bytes)
TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
TCP: Hash tables configured (established 131072 bind 65536)
TCP reno registered
audit: initializing netlink socket (disabled)
audit(1225909559.099:1): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
Initializing Cryptographic API
ksign: Installing public key data
Loading keyring
- Added public key F3D873412BBC54B9
- User ID: Red Hat, Inc. (Kernel Module GPG key)
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
rtc: IRQ 8 is not free.
Non-volatile memory driver v1.2
Linux agpgart interface v0.101 (c) Dave Jones
RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize
Xen virtual console successfully installed as xvc0
Event-channel device installed.
Console: switching to colour frame buffer device 100x37
input: Xen Virtual Keyboard/Mouse as /class/input/input0
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
ide-floppy driver 0.99.newide
usbcore: registered new driver hiddev
usbcore: registered new driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
PNP: No PS/2 controller found. Probing ports directly.
i8042.c: No controller found.
mice: PS/2 mouse device common for all mice
md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
md: bitmap version 4.39
TCP bic registered
Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
XENBUS: Device with no driver: device/vbd/51712
XENBUS: Device with no driver: device/vbd/51728
XENBUS: Device with no driver: device/vif/0
Write protecting the kernel read-only data: 445k
USB Universal Host Controller Interface driver v3.0
Registering block device major 202
 xvda: xvda1 xvda2
 xvdb: unknown partition table
device-mapper: ioctl: 4.11.0-ioctl (2006-09-14) initialised: dm-devel@xxxxxxxxxx
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
SELinux:  Disabled at runtime.
audit(1225909563.751:2): selinux=0 auid=4294967295

If someone has any hints I would appreciate, thanks



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