[Xen-users] CentOS 5.1 Paravirtualized guest hangs during creation

[Ahmed Moneeb Azab <amazab@xxxxxxxx>]

Hi all,

I am creating a CentOS 5.1 Paravirtualized guest  On Xen 3.2.1 / Fedora 
8 Dom0. I built DomU kernel from the Xen Linux 2.6.18.8 source. I also 
created an initrd image (I face some problems there as I had to manually 
copy some modules line xennet, ahci and libata). Anyway, I dounloaded 
the CentOS5.1 image from http://jailtime.org/ and copied it to a new 
partition. When I create the CentOS (using xm create) the kernel hangs.
I got some version conflict warning from the Xen kernel (due to the 
modules that I had to manually copy), but I do not think this is what 
causes the problem. My configuration file is attached. Is there any 
chance that my guest is starting properly but I cannot catch the console?
Thanks,
Ahmed

The following is the output:
----------------------------------------
Using config file "/etc/xen/CentOs.pvm".
Started domain centos1
                     Linux version 2.6.18.8-xenU (root@explorer) (gcc 
version 4.1.2 20070925 (Red Hat 4.1.2-33)) #1 SMP Fri Jun 6 16:03:50 EDT 
2008
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 0000000030800000 (usable)
48MB HIGHMEM available.
727MB LOWMEM available.
NX (Execute Disable) protection: active
Allocating PCI resources starting at 40000000 (gap: 30800000:cf800000)
Detected 2992.598 MHz processor.
Built 1 zonelists.  Total pages: 198656
Kernel command line: root=/dev/sda1 ro
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 16384 bytes)
Xen reported: 2992.484 MHz processor.
Console: colour dummy device 80x25
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Software IO TLB disabled
vmalloc area: ee000000-f53fe000, maxmem 2d7fe000
Memory: 766864k/794624k available (1921k kernel code, 19276k reserved, 
501k data, 148k init, 49160k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Calibrating delay using timer specific routine.. 5985.96 BogoMIPS 
(lpj=29929810)
Mount-cache hash table entries: 512
CPU: L1 I cache: 32K, L1 D cache: 32K
CPU: L2 cache: 6144K
Checking 'hlt' instruction... OK.
SMP alternatives: switching to UP code
Freeing SMP alternatives: 16k freed
Brought up 1 CPUs
migration_cost=0
checking if image is initramfs... it is
Freeing initrd memory: 7132k freed
NET: Registered protocol family 16
Brought up 1 CPUs
xen_mem: Initialising balloon driver.
NET: Registered protocol family 2
IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
TCP bind hash table entries: 65536 (order: 7, 524288 bytes)
TCP: Hash tables configured (established 131072 bind 65536)
TCP reno registered
highmem bounce pool size: 64 pages
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Xen virtual console successfully installed as xvc0
Event-channel device installed.
netfront: Initialising virtual ethernet driver.
xen-vbd: registered block device major 8
blkfront: sda1: barriers enabled
blkfront: sda2: barriers enabled
i8042.c: No controller found.
mice: PS/2 mouse device common for all mice
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
Using IPI No-Shortcut mode
vif vif-0: 2 parsing device/vif/0/mac
XENBUS: Device with no driver: device/console/0
Freeing unused kernel memory: 148k freed
ehci_hcd: version magic '2.6.18.8-xen SMP mod_unload Xen 686 REGPARM 
gcc-4.1' should be '2.6.18.8-xenU SMP mod_unload Xen 686 gcc-4.1'
ohci_hcd: version magic '2.6.18.8-xen SMP mod_unload Xen 686 REGPARM 
gcc-4.1' should be '2.6.18.8-xenU SMP mod_unload Xen 686 gcc-4.1'
uhci_hcd: version magic '2.6.18.8-xen SMP mod_unload Xen 686 REGPARM 
gcc-4.1' should be '2.6.18.8-xenU SMP mod_unload Xen 686 gcc-4.1'
libata: version magic '2.6.24.7-92.fc8 SMP mod_unload 686 4KSTACKS ' 
should be '2.6.18.8-xenU SMP mod_unload Xen 686 gcc-4.1'
ahci: version magic '2.6.24.7-92.fc8 SMP mod_unload 686 4KSTACKS ' 
should be '2.6.18.8-xenU SMP mod_unload Xen 686 gcc-4.1'
libata: version magic '2.6.24.7-92.fc8 SMP mod_unload 686 4KSTACKS ' 
should be '2.6.18.8-xenU SMP mod_unload Xen 686 gcc-4.1'
libata: version magic '2.6.24.7-92.fc8 SMP mod_unload 686 4KSTACKS ' 
should be '2.6.18.8-xenU SMP mod_unload Xen 686 gcc-4.1'
ata_generic: version magic '2.6.24.7-92.fc8 SMP mod_unload 686 4KSTACKS 
' should be '2.6.18.8-xenU SMP mod_unload Xen 686 gcc-4.1'
kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.

kernel = "/boot/vmlinuz-2.6.18.8-xenU"
ramdisk= "/boot/initrd-centos-5.img"
memory = 768
name = "centos1"
vif = [ 'type=ioemu, mac=00:16:3e:38:4a:3d,bridge=virbr0' ]
disk = [ 'phy:/dev/VG_Guests/centos,ioemu:sda1,w', 
'phy:/dev/VG_Guests/centosswap,ioemu:sda2,w']
root = "/dev/sda1 ro"

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