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Re: [Xen-users] New user question...

Thanks Mark ,but still couldnt get thro'

this is what i did

[root@localhost Desktop]# bzcat ttylinux-xen.bz2 >ttylinux

[root@localhost Desktop]# rm -rf /tftpboot/

[root@localhost Desktop]# cp ttylinux tftpboot/

My stripped conf file looks like this:

kernel = "/boot/vmlinuz-2.6.11-1.1369_FC4xenU"

memory = 64

name = "ttylinux1"

nics = 1

ip = ""

disk = ['file:/tftpboot/ttylinux,sda1,w']

root = "/dev/sda1 ro"

I dont have a /dev/sda1 partition in my harddisk (the only partition which is is a root partition is /dev/hda6 which holds the FC4 install I am using as dom0 , am i being dumb in not understanding that the root fs has to be a real partition having all the files or /dev/sda1 will do ???..please explain the difference between disk and root..

when i say:

[root@localhost ~]# xm create ttyconf1 -c

Using config file "/etc/xen/ttyconf1".

Started domain ttylinux1, console on port 9616

************ REMOTE CONSOLE: CTRL-] TO QUIT ********

Linux version 2.6.11-1.1369_FC4xenU (bhcompile@xxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.0.0 20050525 (Red Hat 4.0.0-9)) #1 SMP Thu Jun 2 23:33:51 EDT 2005

BIOS-provided physical RAM map:

Xen: 0000000000000000 - 0000000004000000 (usable)

64MB LOWMEM available.

Using x86 segment limits to approximate NX protection

DMI not present.

IRQ lockup detection disabled

Allocating PCI resources starting at 04000000 (gap: 04000000:fc000000)

Built 1 zonelists

Kernel command line: ip= root=/dev/sda1 ro

Initializing CPU#0

PID hash table entries: 1024 (order: 10, 16384 bytes)

Xen reported: 2258.351 MHz processor.

Using tsc for high-res timesource

Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)

Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)

Memory: 60800k/65536k available (1785k kernel code, 4648k reserved, 506k data, 156k init, 0k highmem)

Checking if this processor honours the WP bit even in supervisor mode... Ok.

Security Framework v1.0.0 initialized

SELinux: Initializing.

SELinux: Starting in permissive mode

selinux_register_security: Registering secondary module capability

Capability LSM initialized as secondary

Mount-cache hash table entries: 512

CPU: Trace cache: 12K uops, L1 D cache: 8K

CPU: L2 cache: 512K

Enabling fast FPU save and restore... done.

Enabling unmasked SIMD FPU exception support... done.

Checking 'hlt' instruction... disabled

CPU0: Intel(R) Pentium(R) 4 CPU 2.26GHz stepping 07

per-CPU timeslice cutoff: 1462.80 usecs.

task migration cache decay timeout: 2 msecs.

SMP motherboard not detected.


Brought up 1 CPUs

softlockup thread 0 started up.

NET: Registered protocol family 16

xen_mem: Initialising balloon driver.

Grant table initialized

audit: initializing netlink socket (disabled)

audit(1123595064.572:1): initialized

Total HugeTLB memory allocated, 0

VFS: Disk quotas dquot_6.5.1

Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)

SELinux: Registering netfilter hooks

Initializing Cryptographic API

ksign: Installing public key data

Loading keyring

- Added public key 42BD35A990375F72

- 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

RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize

Xen virtual console successfully installed as tty1

Event-channel device installed.

Blkif frontend is using grant tables.

xen_blk: Initialising virtual block device driver

xen_net: Initialising virtual ethernet driver.

md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27

NET: Registered protocol family 2

IP: routing cache hash table of 256 buckets, 4Kbytes

TCP established hash table entries: 4096 (order: 4, 65536 bytes)

TCP bind hash table entries: 4096 (order: 3, 49152 bytes)

TCP: Hash tables configured (established 4096 bind 4096)

Initializing IPsec netlink socket

NET: Registered protocol family 1

NET: Registered protocol family 17

md: Autodetecting RAID arrays.

md: autorun ...

md: ... autorun DONE.

kjournald starting. Commit interval 5 seconds

EXT3-fs: mounted filesystem with ordered data mode.

VFS: Mounted root (ext3 filesystem) readonly.

Freeing unused kernel memory: 156k freed

Inconsistency detected by ld.so: rtld.c: 1180: dl_main: Assertion `(void *) ph->p_vaddr == _rtld_local._dl_sysinfo_dso


thanks and regards



> > I am trying to run a simple ttylinux as a domU

> > ( from sf.net/xen )


> OK.


> > /etc/xen/ttyconf looks like what the Xen 2.0 documentation

> > suggests

> >

> > kernel = "/boot/vmlinuz-2.6.11-1.1369_FC4xenU"

> > memory = 64

> > name = "ttylinux"

> > nics=1ip=""

> > disk=['file:/tftpboot,sda1,w'] .................#the Xen doc

> > says /path/to/ttylinux/rootfs

> > root="/dev/sda1 ro"

> >

> > [root@localhost tftpboot]# xm create ttyconf1 -c vmid=2

> > Using config file "/etc/xen/ttyconf1".

> > Error: Error creating domain: vbd: Segment not found:

> > uname=file:/tftpboot

> >

> > i untarred the ttylinux.bz2 in the empty tftpboot directory (not

> > for any particular reason)

> > [root@localhost ~]# ls /tftpboot

> > bin dev etc init lib linux-install loopfs proc sbin sys

> > sysroot ttylinux


> Are you sure the tftpboot directory was empty? ttylinux.bz2 is not a tar

> file, just a compressed file - all it should have left behind it the file

> "ttylinux". I don't know where the other directories came from :-)


> The file: directive needs to point to the disk file itself, not to a

> directory. Could you please try:

> disk=['file:/tftpboot/ttylinux,sda1,w']


> Let us know how you get on!


> Cheers,

> Mark


> > what is that i need to change ..the domU is from an FC4 Rpm and

> > i have not been able to run from a physical device as root fs

> > either ,the kernel starts booting and stops at freeing unused

> > memory..156K..which from the FAQ i saw was related to initrd

> > could not fix it that way.....so just waiting for help

> >

> > Digz

> >

> >

> >

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