Hi,
I think the problem is related to DHCP.
I have been able to boot guest kernel using NFS root.
(I used xen-2.0.7, own bulding kernel-xen0/U and FC4.
Also "fsck" was run due to mistaking /etc/fstab. ;) )
How about using "ip" parameter if you have not tried yet?
Just for reference, my configuration is the below.
============================================
kernel = "/boot/vmlinuz-2.6.11.12-xenU"
memory = 64
name = "ttylinux"
nics=1
vif = [ 'mac=aa:00:00:00:00:11, bridge=xen-br0' ]
ip="xxx.xxx.xxx.xxx"
hostname= "ttylinux"
root = "/dev/nfs"
nfs_server = 'yyy.yyy.yyy.yyy'
nfs_root = '/mnt/ttylinux'
extra = "3"
============================================
Thanks,
Akio
>This seems not to be the problem.
>To fix this, I could simple build an initrd image with the NFS modules.
>
>Another user replied to me saying that he is using the same kernel-xenU
>(FC4) and having the same problem (hanging after the IPSec message), but he
>is loading the root file system from a physical device.
>
>Anyone has ideas on what might been going on? I'm guessing the problem is
>related to this kernel and IPSec.
>
>Anyone has tips on how I can debug this problem?
>
>Thanks
>
>-----Mensagem original-----
>De: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] Em nome de Minoru Kato
>Enviada em: segunda-feira, 8 de agosto de 2005 23:03
>Para: xen-users@xxxxxxxxxxxxxxxxxxx
>Assunto: Re: [Xen-users] Problems with FC4 and NFS Root
>
>Hi,
>vmlinuz-2.6.11-1.1369_FC4xenU has NFS-FS by modules. (not included
>statically)
>Therefore, it cannot start by NFS-Root.
>---
>kato
>
>> Hello everyone,
>>
>> I've been working with Xen and Debian for a while, but recently decided to
>> give it a try with Fedora Core 4 and NFS Root based fs.
>>
>> I've installed the FC4 base system and the following packets with their
>> dependencies:
>> - xen
>> - kernel-xen0
>> - kernel-xenU
>>
>> After setting my new default option in /etc/grub/menu.lst and starting
>> 'xend', I've created a directory named "/vm" and copied the FC4 base
>> installation into there.
>>
>> Then I've changed the /vm/etc/fstab to something like this:
>> 10.0.0.1:/vm / nfs defaults 0
>0
>> /dev/devpts /dev/pts devpts gid=5,mode=620 0
>0
>> /dev/shm /dev/shm tmpfs defaults 0
>0
>> /dev/proc /proc proc defaults 0
>0
>> /dev/sys /sys sysfs defaults 0
>0
>> LABEL=SWAP-hda2 swap swap defaults 0
>0
>>
>> And created a /root/vm.swp swap file with something like this:
>> # dd if=/dev/zero of=/root/vm.swp bs=1024 count=262144
>> # mkswap /root/vm.swp
>>
>> My configuration file is looking like this:
>> kernel = "/boot/vmlinuz-2.6.11-1.1369_FC4xenU"
>> memory = 64
>> name = "vm"
>> vif = [ 'mac=aa:00:00:00:00:f4, bridge=xen-br0' ]
>> disk = [ 'file:/root/vm.swp,hda2,w' ]
>> dhcp="dhcp"
>> root = "/dev/nfs"
>> nfs_server = '10.0.0.1'
>> nfs_root = '/vm'
>> extra = "4"
>> restart = 'never'
>>
>> I've also set /etc/exports to export /vm with the following options:
>> /vm 10.0.0.0/24(rw,sync,no_root_squash)
>>
>> And I've started the NFS daemon with "service nfs start".
>>
>> However, when booting the guest with "xm create -c vm.cfg" I get a crash
>> after IPsec netlink socket initialization.
>>
>> Also note that when I've first installed the FC4, I've disabled SElinux:
>> # grep -v "^#" /etc/selinux/config
>> SELINUX=disabled
>> SELINUXTYPE=targeted
>> #
>>
>> Any ideas on what might be happening?
>>
>> Here is the boot sequence before the hang:
>> # xm create -c vm.cfg
>> Using config file "vm.cfg".
>> Started domain vm, console on port 9604
>> ************ 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=:10.0.0.1::::eth0:dhcp root=/dev/nfs
>> nfsroot=10.0.0.1:/vm1 4
>> Initializing CPU#0
>> PID hash table entries: 1024 (order: 10, 16384 bytes)
>> Xen reported: 1595.334 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: 256K
>> 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 1.60GHz stepping 02
>> per-CPU timeslice cutoff: 731.13 usecs.
>> task migration cache decay timeout: 1 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(1123554105.008:1): 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
>> <...and it simply stays here...>
>>
>> Best Regards,
>> Felipe
>>
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users
>>
>
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