On Mon, Mar 01, 2010 at 12:05:35PM +0530, Akshay Joglekar wrote:
> Hi all,
>
> I am using a centOS 5.4 system with Xen installed.
>
> When I try to create a new VM instance in dom0 using virt-install, the
> process hangs up at:
>
> Write protecting the kernel read-only data: 390k
>
> Following is the complete output:
>
> Linux version 2.6.18-164.el5xen (mockbuild@xxxxxxxxxxxxxxxxxxxx) (gcc
> version 4.1.2 20080704 (Red Hat 4.1.2-46)) #1 SMP Thu Sep 3 04:47:32 EDT
> 2009
> BIOS-provided physical RAM map:
> Xen: 0000000000000000 - 0000000010800000 (usable)
> 0MB HIGHMEM available.
> 264MB LOWMEM available.
> NX (Execute Disable) protection: active
> ACPI in unprivileged domain disabled
> Built 1 zonelists. Total pages: 67584
> Kernel command line:
> method=http://www.gtlib.gatech.edu/pub/centos/5.4/os/i386/
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Initializing CPU#0
> CPU 0 irqstacks, hard=c0750000 soft=c0730000
> PID hash table entries: 2048 (order: 11, 8192 bytes)
> Xen reported: 1995.001 MHz processor.
> Console: colour dummy device 80x25
> Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
> Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
> Software IO TLB disabled
> vmalloc area: d1000000-f4ffe000, maxmem 2d7fe000
> Memory: 246016k/270336k available (2162k kernel code, 15832k reserved,
> 887k data, 176k init, 0k highmem)
> Checking if this processor honours the WP bit even in supervisor mode...
> Ok.
> Calibrating delay using timer specific routine.. 4990.95 BogoMIPS
> (lpj=9981902)
> 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: 512
> CPU: L1 I cache: 32K, L1 D cache: 32K
> CPU: L2 cache: 1024K
> Checking 'hlt' instruction... OK.
> SMP alternatives: switching to UP code
> Freeing SMP alternatives: 13k freed
> Brought up 1 CPUs
> checking if image is initramfs... it is
> Freeing initrd memory: 8464k freed
> Grant table initialized
> NET: Registered protocol family 16
> Brought up 1 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: 4096 (order: 2, 16384 bytes)
> TCP established hash table entries: 16384 (order: 5, 131072 bytes)
> TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
> TCP: Hash tables configured (established 16384 bind 8192)
> TCP reno registered
> audit: initializing netlink socket (disabled)
> type=2000 audit(1267422085.998:1): initialized
> VFS: Disk quotas dquot_6.5.1
> Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> Initializing Cryptographic API
> alg: No test for crc32c (crc32c-generic)
> ksign: Installing public key data
> Loading keyring
> - Added public key 581431131FF6A527
> - User ID: CentOS (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
> brd: module loaded
> 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
> Using IPI No-Shortcut mode
> XENBUS: Device with no driver: device/vbd/51712
> XENBUS: Device with no driver: device/vif/0
> Initalizing network drop monitor service
> Freeing unused kernel memory: 176k freed
> Write protecting the kernel read-only data: 390k
>
> Can someone please help me out? Thanks in advance.
>
So it doesn't start initrd execution?
Try restarting xenconsoled in dom0 and see if that helps.
Also please paste your virt-install cmdline.
-- Pasi
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