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René1983
Tux's lil' helper
Joined: 15 Dec 2003
Posts: 108
Location: Netherlands
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 Posted: Mon May 26, 2008 5:16 pm Post subject: domU: Kernel panic: No NFS server available, giv... [solved] |
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This is my problem, well... not exactly my problem, but a problem of my server.
I'm trying to build a xen-server. I already have my dom0 up and running, but I cant get a domU domain up. I am able to create create a new domain, but when I boot it, it hangs, telling there is no NFS server available. Not that surprising, cause I dont have one. But I dont understand why it is looking for a NFS server. It doesnt make sense at all...
Here's the output of xm list and xm console apache:
| Code: | dom0 configs # xm list
Name ID Mem VCPUs State Time(s)
Domain-0 0 512 4 r----- 20.4
apache 1 512 1 -b---- 0.2
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| Code: |
dom0 configs # xm console apache
TCP: Hash tables configured (established 65536 bind 65536)
TCP reno registered
Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
rtc: IRQ 8 is not free.
Linux agpgart interface v0.102 (c) Dave Jones
Floppy drive(s): fd0 is unknown type 15 (usb?), fd1 is unknown type 15 (usb?)
Failed to obtain physical IRQ 6
floppy0: no floppy controllers found
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
e100: Intel(R) PRO/100 Network Driver, 3.5.17-k2-NAPI
e100: Copyright(c) 1999-2006 Intel Corporation
forcedeth.c: Reverse Engineered nForce ethernet driver. Version 0.60.
tun: Universal TUN/TAP device driver, 1.6
tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
netconsole: not configured, aborting
Xen virtual console successfully installed as tty1
Event-channel device installed.
netfront: Initialising virtual ethernet driver.
megaraid cmm: 2.20.2.7 (Release Date: Sun Jul 16 00:01:03 EST 2006)
megaraid: 2.20.5.1 (Release Date: Thu Nov 16 15:32:35 EST 2006)
megasas: 00.00.03.10-rc1 Wed Feb 14 10:14:25 PST 2007
Fusion MPT base driver 3.04.04
Copyright (c) 1999-2007 LSI Logic Corporation
Fusion MPT SPI Host driver 3.04.04
Fusion MPT SAS Host driver 3.04.04
ieee1394: raw1394: /dev/raw1394 device initialized
USB Universal Host Controller Interface driver v3.0
usbcore: registered new interface driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usbcore: registered new interface driver usbhid
drivers/usb/input/hid-core.c: v2.6:USB HID core driver
i8042.c: No controller found.
mice: PS/2 mouse device common for all mice
md: raid1 personality registered for level 1
device-mapper: ioctl: 4.11.0-ioctl (2006-10-12) initialised: dm-devel@redhat.com
Intel 810 + AC97 Audio, version 1.01, 16:45:59 May 26 2008
xenoprofile_init: ret 0, events 4, xenoprof_is_primary 0
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 10
IPv6 over IPv4 tunneling driver
NET: Registered protocol family 17
xen-vbd: registered block device major 8
blkfront: sdb1: barriers enabled
netfront: device eth0 has copying receive path.
blkfront: sdb2: barriers enabled
XENBUS: Device with no driver: device/console/0
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
Root-NFS: No NFS server available, giving up.
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Insert root floppy and press ENTER
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My config file looks like this:
| Code: | dom0 configs # cat apache
kernel = "../kernels/gentoo-2.6.21"
memory = 512
name = "apache"
vif = [ 'bridge=eth0' ]
disk = [ 'phy:vg_vm/apache_root,sdb1,w', 'phy:vg_vm/apache_swap,sdb2,w' ]
root = "/dev/vg_vm/apache_root"
#on_poweroff = 'destroy'
#on_reboot = 'restart'
on_crash = 'restart'
dom0 configs # |
I already found some other stuff in the forums about this problem, but I didnt find a solution. Maybe this try will bring me somewhere...
Thnx in advance...
Last edited by René1983 on Fri May 30, 2008 5:56 am; edited 1 time in total |
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roki942
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Joined: 18 Apr 2005
Posts: 285
Location: Seattle
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| Posted: Mon May 26, 2008 6:28 pm Post subject: |
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Though this is not a complete answer to your question I hope it will narrow it down for you. I ran into that problem when I did an upgrade to the latest gentoo kernel, linux-2.6.24-gentoo-r8. When I did make oldconfig from linux-2.6.24-gentoo-r7 it asked 1 or 2 NFS question to which I accepted the default "Yes". The result on reboot was the same panic. I just dropped back to an earlier kernel & am away from that machine.
Maybe I do have the answer you need ... in the latest kernel
make menuconfig
> File Systems ----> Network File Systems -------> [ ] Root file system on NFS
Has that turned on by default while the earlier -7 kernel doesn't. |
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René1983
Tux's lil' helper
Joined: 15 Dec 2003
Posts: 108
Location: Netherlands
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| Posted: Tue May 27, 2008 7:46 am Post subject: |
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Thnx for your reply.
Indeed, it was turned on. After switching it off I get an other error. I'm not able to post the error message, because Im not at home right now, but I will post it tonight when I'm home again. |
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René1983
Tux's lil' helper
Joined: 15 Dec 2003
Posts: 108
Location: Netherlands
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| Posted: Thu May 29, 2008 8:41 am Post subject: |
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This is the new error I get. When I search the Internet I find a lot of people with the same problem, but I cant find a solution.
When I try to boot the domU (xm create -c apache) I get the following output. It seems like the first line isnt a big problem, but the other three lines are just strange. Somebody any idea what this is all about? And more important, how to solve this?
| Code: | powernow-k8: BIOS error - no PSB or ACPI _PSS objects
XENBUS: Device with no driver: device/console/0
XENBUS: Device with no driver: device/vbd/51713
XENBUS: Device with no driver: device/vif/0 |
Thnx! |
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roki942
Apprentice
Joined: 18 Apr 2005
Posts: 285
Location: Seattle
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René1983
Tux's lil' helper
Joined: 15 Dec 2003
Posts: 108
Location: Netherlands
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| Posted: Fri May 30, 2008 5:55 am Post subject: |
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I already found the solution. I had to compile some drivers (HD, Raid, LVM) into the kernel so when booting the kernel could find the devices. I thought it wouldnt be necessary to add these drivers, but apparently it was. A little modification to the config file of the DomU and it was up an running!
Thnx for the reactions!
Ciao |
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