[Fedora-xen] XEN Problem with root device

Sadique Puthen xenguy at gmail.com
Thu Feb 22 07:24:16 UTC 2007 

You need to create an initrd image with  --with=xennet --preload=xenblk 
options and specify that using "ramdisk = <path to initrd>" in the 
configuration file for guest.

Claus Reheis wrote:
> Hi all!
>
> At first I have to admit that I am very inexperienced in using XEN!
> What I try to do is get OpenSuse 10.2 working on my FC6 Station.
> To do that I did the following steps:
>
> 1)Installed the XEN Kernel: 2.6.19-1.2911.fc6xen
>
> 2)Installed OpenSuse 10.2 on my girlfriends Laptop
>
> 3)made a complete image of the installation and put it in my home:
>
> /home/user/opensuse102xen.img
>
> 4)created an suse.xen.cfg:
>
> kernel = "/boot/vmlinuz-2.6.19-1.2895.fc6xen"
> memory = 512
> name = "opensuse102"
> vif = ['']
> #nics = 1
> #dhcp = "dhcp"
> disk = disk = ['file:/home/rehcla/opensuse102xen.img,xvda,w'] 
> root = "/dev/xvda ro"
>
> 5)did edit the /etc/fstab in the Image:
>
>
> /dev/xvda            /                    ext3       acl,user_xattr
> 1 1
> #/dev/hda1            /windows/C           ntfs
> ro,users,gid=users,umask=0002,nls=utf8 0 0
> #/dev/hda2            swap                 swap       defaults
> 0 0
> proc                 /proc                proc       defaults
> 0 0
> sysfs                /sys                 sysfs      noauto
> 0 0
> debugfs              /sys/kernel/debug    debugfs    noauto
> 0 0
> usbfs                /proc/bus/usb        usbfs      noauto
> 0 0
> devpts               /dev/pts             devpts     mode=0620,gid=5
> 0 0
>
>
> When I try to start Xen with:
>
> "xm create opensuse102  -c suse.xen.cfg"
>
> I get this:
>
>
> Using config file "./suse.xen.cfg".
> Started domain opensuse102
> Linux version 2.6.19-1.2895.fc6xen
> (brewbuilder at hs20-bc2-2.build.redhat.com) (gcc version 4.1.1 20070105
> (Red Hat 4.1.1-51)) #1 SMP Wed Jan 10 19:47:12 EST 2007
> BIOS-provided physical RAM map:
> Xen: 0000000000000000 - 0000000020800000 (usable)
> 0MB HIGHMEM available.
> 520MB LOWMEM available.
> NX (Execute Disable) protection: active
> Zone PFN ranges:
>   DMA             0 ->   133120
>   Normal     133120 ->   133120
>   HighMem    133120 ->   133120
> early_node_map[1] active PFN ranges
>     0:        0 ->   133120
> ACPI in unprivileged domain disabled
> Built 1 zonelists.  Total pages: 132080
> Kernel command line:  root=/dev/xvda ro
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Initializing CPU#0
> CPU 0 irqstacks, hard=c07e0000 soft=c07c0000
> PID hash table entries: 4096 (order: 12, 16384 bytes)
> Xen reported: 3391.494 MHz processor.
> Console: colour dummy device 80x25
> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> Software IO TLB disabled
> vmalloc area: e1000000-f4ffe000, maxmem 2d7fe000
> Memory: 512768k/532480k available (2166k kernel code, 11200k reserved,
> 1100k data, 184k init, 0k highmem)
> virtual kernel memory layout:
>     fixmap  : 0xf5315000 - 0xf57fe000   (5028 kB)
>     pkmap   : 0xf5000000 - 0xf5200000   (2048 kB)
>     vmalloc : 0xe1000000 - 0xf4ffe000   ( 319 MB)
>     lowmem  : 0xc0000000 - 0xe0800000   ( 520 MB)
>       .init : 0xc078e000 - 0xc07bc000   ( 184 kB)
>       .data : 0xc061da2c - 0xc0730bf4   (1100 kB)
>       .text : 0xc0400000 - 0xc061da2c   (2166 kB)
> Checking if this processor honours the WP bit even in supervisor mode...
> Ok.
> Calibrating delay using timer specific routine.. 8489.82 BogoMIPS
> (lpj=16979653)
> 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: 16K
> CPU: L2 cache: 2048K
> Checking 'hlt' instruction... OK.
> SMP alternatives: switching to UP code
> Freeing SMP alternatives: 12k freed
> Brought up 1 CPUs
> Grant table initialized
> NET: Registered protocol family 16
> Brought up 1 CPUs
> PCI: Fatal: No config space access function found
> 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 interface driver usbfs
> usbcore: registered new interface driver hub
> usbcore: registered new device driver usb
> 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: 32768 (order: 5, 131072 bytes)
> TCP established hash table entries: 131072 (order: 9, 2621440 bytes)
> TCP bind hash table entries: 65536 (order: 8, 1310720 bytes)
> TCP: Hash tables configured (established 131072 bind 65536)
> TCP reno registered
> IA-32 Microcode Update Driver: v1.14-xen <tigran at veritas.com>
> audit: initializing netlink socket (disabled)
> audit(1172096781.555:1): initialized
> VFS: Disk quotas dquot_6.5.1
> Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> SELinux:  Registering netfilter hooks
> ksign: Installing public key data
> Loading keyring
> - Added public key A803A00FB8A89D68
> - 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 (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
> RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize
> Xen virtual console successfully installed as xvc0
> Linux version 2.6.19-1.2895.fc6xen
> (brewbuilder at hs20-bc2-2.build.redhat.com) (gcc version 4.1.1 20070105
> (Red Hat 4.1.1-51)) #1 SMP Wed Jan 10 19:47:12 EST 2007
> BIOS-provided physical RAM map:
> Xen: 0000000000000000 - 0000000020800000 (usable)
> 0MB HIGHMEM available.
> 520MB LOWMEM available.
> NX (Execute Disable) protection: active
> Zone PFN ranges:
>   DMA             0 ->   133120
>   Normal     133120 ->   133120
>   HighMem    133120 ->   133120
> early_node_map[1] active PFN ranges
>     0:        0 ->   133120
> ACPI in unprivileged domain disabled
> Built 1 zonelists.  Total pages: 132080
> Kernel command line:  root=/dev/xvda ro
> Enabling fast FPU save and restore... done.
> Enabling unmasked SIMD FPU exception support... done.
> Initializing CPU#0
> CPU 0 irqstacks, hard=c07e0000 soft=c07c0000
> PID hash table entries: 4096 (order: 12, 16384 bytes)
> Xen reported: 3391.494 MHz processor.
> Console: colour dummy device 80x25
> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> Software IO TLB disabled
> vmalloc area: e1000000-f4ffe000, maxmem 2d7fe000
> Memory: 512768k/532480k available (2166k kernel code, 11200k reserved,
> 1100k data, 184k init, 0k highmem)
> virtual kernel memory layout:
>     fixmap  : 0xf5315000 - 0xf57fe000   (5028 kB)
>     pkmap   : 0xf5000000 - 0xf5200000   (2048 kB)
>     vmalloc : 0xe1000000 - 0xf4ffe000   ( 319 MB)
>     lowmem  : 0xc0000000 - 0xe0800000   ( 520 MB)
>       .init : 0xc078e000 - 0xc07bc000   ( 184 kB)
>       .data : 0xc061da2c - 0xc0730bf4   (1100 kB)
>       .text : 0xc0400000 - 0xc061da2c   (2166 kB)
> Checking if this processor honours the WP bit even in supervisor mode...
> Ok.
> Calibrating delay using timer specific routine.. 8489.82 BogoMIPS
> (lpj=16979653)
> 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: 16K
> CPU: L2 cache: 2048K
> Checking 'hlt' instruction... OK.
> SMP alternatives: switching to UP code
> Freeing SMP alternatives: 12k freed
> Brought up 1 CPUs
> Grant table initialized
> NET: Registered protocol family 16
> Brought up 1 CPUs
> PCI: Fatal: No config space access function found
> 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 interface driver usbfs
> usbcore: registered new interface driver hub
> usbcore: registered new device driver usb
> 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: 32768 (order: 5, 131072 bytes)
> TCP established hash table entries: 131072 (order: 9, 2621440 bytes)
> TCP bind hash table entries: 65536 (order: 8, 1310720 bytes)
> TCP: Hash tables configured (established 131072 bind 65536)
> TCP reno registered
> IA-32 Microcode Update Driver: v1.14-xen <tigran at veritas.com>
> audit: initializing netlink socket (disabled)
> audit(1172096781.555:1): initialized
> VFS: Disk quotas dquot_6.5.1
> Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
> SELinux:  Registering netfilter hooks
> ksign: Installing public key data
> Loading keyring
> - Added public key A803A00FB8A89D68
> - 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 (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
> RAMDISK driver initialized: 16 RAM disks of 16384K size 4096 blocksize
> Xen virtual console successfully installed as xvc0
> Event-channel device installed.
> 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 interface driver libusual
> usbcore: registered new interface driver hiddev
> usbcore: registered new interface 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
> TCP bic registered
> Initializing XFRM 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
> md: Autodetecting RAID arrays.
> md: autorun ...
> md: ... autorun DONE.
> VFS: Cannot open root device "xvda" or unknown-block(0,0)
> Please append a correct "root=" boot option
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(0,0)
>
>
> Can some help me?
>
> Thanks!
>
> Claus Reheis
>
>
>
>
>   
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>
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