Problem seems to be solved.
At first I had to add the line
"alias eth0 xennet"
to /etc/modprobe.conf to tell Debian to load xennet when using eth0.
Then I had to add xennet module to my domainU by copying recursivly
/lib/modules/2.6.16-1.2096_FC5xenU from FC5 domain0 to Debian domainU.
Last thing was enabling Debian to load the needed module. Debian sarge
base config doesn't include module-init-tools which are needed to load
the 2.6.x kernel modules. I had to download the version for sarge and
install it manually.
After reboot domU Debian loads module xennet when configuring eth0.
Serge Dubrouski wrote:
> There could be at least 2 reasons for that:
>
> 1. bridge-utils rpm isn't installed.
> 2. You do not have a following line in /etc/modprobe.conf
>
> "alias eth0 xennet"
>
> The second is specific to FC5.
>
> Or it's something else that I don't know.
>
> On 5/22/06, Benjamin Henne <henne@xxxxxxxxxxxxxxxxxxx> wrote:
>
>> Hi.
>>
>> I run Xen (xen-3.0.1-4) on an Dell Poweredge 750. I use Fedora Core 5
>> with kernel 2.6.16-1.2096_FC5xen0 as domain0, because Debian doesn't
>> work on that system. For the domainU I use the kernel
>> 2.6.16-1.2096_FC5xenU from Fedora Core 5.
>>
>> I have created my first domainU Debian sarge system using the tool
>> debootstrap from Debian. I configured the domainU as I did on another
>> working Xen installation. But on the new one I have problems with
>> networking.
>>
>> When I create the domainU everything seems to be ok. In domain0 the
>> network interfaces are created and added to to the bridge etc.
>> But in the domainU I don't get any ethX network interface. The only
>> interface I get ist lo.
>>
>> I tried to define the needed interface with
>> vif = [ '' ]
>> and something like
>> vif = [ 'mac=AA:00:00:00:00:C3, bridge=xenbr0' ]
>> but nothing works.
>>
>> When I try to setup the non existing eth0 I get
>>
>> SIOCSIFADDR: No such device
>> eth0: ERROR while getting interface flags: No such device
>> SIOCSIFNETMASK: No such device
>> SIOCSIFBRDADDR: No such device
>> eth0: ERROR while getting interface flags: No such device
>> eth0: ERROR while getting interface flags: No such device
>> Failed to bring up eth0.
>>
>> Although I define the vif I get no ethX in domainU.
>>
>> My problem seems to be the same as described in
>> "Configuring network interfaces...SIOCSIFADDR: No such device
>> - domU - Debian - other DomU OK."
>> posted here on 2006/05/12 15:49 and still has no solution.
>>
>>
>>
>>
>>
>>
>> /etc/xen/mydomain
>> -----------------
>> kernel = "/boot/vmlinuz-2.6.16-1.2096_FC5xenU"
>> memory = 128
>> name = "mydomain"
>> cpus = ""
>> vcpus = 1
>> vif = [ 'mac=aa:00:00:00:00:C3, bridge=xenbr0' ]
>> disk = [ 'phy:xenvg/mydom-root,sda1,w','phy:xenvg/mydom-swap,sda2,w']
>> netmask="255.255.255.0"
>> gateway="123.45.6.789"
>> root = "/dev/sda1 ro"
>> extra = "2"
>>
>>
>> dmesg on domainU mydomain
>> -------------------------
>>
>> Linux version 2.6.16-1.2096_FC5xenU
>> (bhcompile@xxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc
>> version 4.1.0 20060304 (Red Hat 4.1.0-3)) #1 SMP Wed
>> Apr 19 06:07:11 EDT 2006
>> BIOS-provided physical RAM map:
>> Xen: 0000000000000000 - 0000000008000000 (usable)
>> 0MB HIGHMEM available.
>> 136MB LOWMEM available.
>> Using x86 segment limits to approximate NX protection
>> On node 0 totalpages: 34816
>> DMA zone: 34816 pages, LIFO batch:7
>> DMA32 zone: 0 pages, LIFO batch:0
>> Normal zone: 0 pages, LIFO batch:0
>> HighMem zone: 0 pages, LIFO batch:0
>> IRQ lockup detection disabled
>> Built 1 zonelists
>> Kernel command line: root=/dev/sda1 ro 2
>> Enabling fast FPU save and restore... done.
>> Enabling unmasked SIMD FPU exception support... done.
>> Initializing CPU#0
>> PID hash table entries: 1024 (order: 10, 16384 bytes)
>> Xen reported: 2800.100 MHz processor.
>> Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
>> Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
>> Software IO TLB disabled
>> vmalloc area: c9000000-fb3fe000, maxmem 33ffe000
>> Memory: 125508k/139264k available (1653k kernel code, 5400k reserved,
>> 619k data, 132k init, 0k highmem)
>> Checking if this processor honours the WP bit even in supervisor
>> mode... Ok.
>> Calibrating delay using timer specific routine.. 6999.57 BogoMIPS
>> (lpj=13999145)
>> 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: After generic identify, caps: bfebfbff 00000000 00000000 00000000
>> 0000441d 00000000 00000000
>> CPU: After vendor identify, caps: bfebfbff 00000000 00000000 00000000
>> 0000441d 0 0000000 00000000
>> CPU: Trace cache: 12K uops, L1 D cache: 16K
>> CPU: L2 cache: 1024K
>> CPU: After all inits, caps: bfebc3f1 00000000 00000000 00000180 0000441d
>> 0000000 0 00000000
>> Checking 'hlt' instruction... disabled
>> Brought up 1 CPUs
>> 0
>> Grant table initialized
>> NET: Registered protocol family 16
>> Brought up 1 CPUs
>> xen_mem: Initialising balloon driver.
>> audit: initializing netlink socket (disabled)
>> audit(1148320224.092:1): initialized
>> 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 CAC5D2FEFF6E03E
>> - 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)
>> rtc: IRQ 8 is not free.
>> i8042.c: No controller found.
>> RAMDISK driver initialized: 16 RAM disks of 16384K size 1024 blocksize
>> Xen virtual console successfully installed as tty1
>> 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
>> Probing IDE interface ide0...
>> Registering block device major 8
>> Probing IDE interface ide1...
>> Probing IDE interface ide2...
>> Probing IDE interface ide3...
>> Probing IDE interface ide4...
>> Probing IDE interface ide5...
>> ide-floppy driver 0.99.newide
>> mice: PS/2 mouse device common for all mice
>> md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
>> md: bitmap version 4.39
>> NET: Registered protocol family 2
>> IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
>> TCP established hash table entries: 8192 (order: 5, 163840 bytes)
>> TCP bind hash table entries: 8192 (order: 5, 163840 bytes)
>> TCP: Hash tables configured (established 8192 bind 8192)
>> TCP reno registered
>> TCP bic registered
>> Initializing IPsec netlink socket
>> NET: Registered protocol family 1
>> NET: Registered protocol family 17
>> Using IPI No-Shortcut mode
>> 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: 132k freed
>> Adding 524280k swap on /dev/sda2. Priority:-1 extents:1 across:524280k
>> EXT3 FS on sda1, internal journal
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