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

[digz <digvijoy_chatterjee@xxxxxxxxxxx>]

Can any body comment on this Please :trying to run ttylinux as a domU with a 
vmlinuz-2.6.11-1.1369_FC4xenU kernel and vmlinuz-2.6.11-1.1369_FC4xen0 as the 
dom0

On Tuesday 09 August 2005 19:32, digz wrote:
> 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 = "1.2.3.4"
> 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=1.2.3.4:1.2.3.4::::eth0:off 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.
> smpboot_clear_io_apic_irqs
> 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
>
> PERHAPS I AM AGAIN MAKING A MISTAKE
> thanks and regards
> Digz
> ===========================================================================
>===========
>
> > >         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="1.2.3.4"
> > >         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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