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Re: [Xen-users] no networking anymore



Hi again,

sorry, after reading the first post I belived that problem was on dom0's eth0 (my english is not as good as I want :) ), anyway the problem is in your domU, and you can't see eth0 when you make an ifconfig -a ( the flag "a" is important).

When you boot your domU you see domU's eth0? Or the problem appears when you restart the network init script?

On the other hand, in your dom0 ifconfig shows vif2.0 (I supose that you are only running one DomU), so... it's quite strange, also it shows

        RX packets:0 errors:0 dropped:0 overruns:0 frame:0
        TX packets:32 errors:0 dropped:9594 overruns:0 carrier:0

it's dropping packets, you know why?

Probably if you post "xm create -c /etc/xen/oreon" output somebody could help you, the output of a "brctl show" in dom0 will be helpful.

Excuse my poor english :)

Regards


ko0nz wrote:
hi Marc,

# ifconfig Dom0

eth0      Link encap:Ethernet  HWaddr 00:0F:FE:6B:57:32
         inet addr:172.20.22.191  Bcast:172.20.22.255  Mask:255.255.255.0
         inet6 addr: fe80::20f:feff:fe6b:5732/64 Scope:Link
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:24218 errors:0 dropped:0 overruns:0 frame:0
         TX packets:33136 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:2952113 (2.8 MiB)  TX bytes:17840137 (17.0 MiB)

lo        Link encap:Local Loopback
         inet addr:127.0.0.1  Mask:255.0.0.0
         inet6 addr: ::1/128 Scope:Host
         UP LOOPBACK RUNNING  MTU:16436  Metric:1
         RX packets:56113 errors:0 dropped:0 overruns:0 frame:0
         TX packets:56113 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:14474440 (13.8 MiB)  TX bytes:14474440 (13.8 MiB)

peth0     Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
         inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
         UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
         RX packets:24551 errors:0 dropped:0 overruns:0 frame:0
         TX packets:36349 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:100
         RX bytes:3183587 (3.0 MiB)  TX bytes:18200935 (17.3 MiB)
         Base address:0x1100 Memory:f0500000-f0520000

vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
         inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
         UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
         RX packets:33136 errors:0 dropped:0 overruns:0 frame:0
         TX packets:24219 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:17840137 (17.0 MiB)  TX bytes:2952183 (2.8 MiB)

vif2.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
         inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
         UP BROADCAST RUNNING NOARP  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:32 errors:0 dropped:9594 overruns:0 carrier:0
         collisions:0 txqueuelen:32
         RX bytes:0 (0.0 b)  TX bytes:8368 (8.1 KiB)

xenbr0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:13505 errors:0 dropped:0 overruns:0 frame:0
         TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:1947100 (1.8 MiB)  TX bytes:168 (168.0 b)



# dmesg Dom0
vif4.0: no IPv6 routers present
xenbr0: port 4(vif4.0) entering disabled state
device vif4.0 left promiscuous mode
audit(1184761578.260:10): dev=vif4.0 prom=0 old_prom=256 auid=4294967295
xenbr0: port 4(vif4.0) entering disabled state
device vif5.0 entered promiscuous mode
audit(1184761578.670:11): dev=vif5.0 prom=256 old_prom=0 auid=4294967295
xenbr0: port 4(vif5.0) entering learning state
xenbr0: topology change detected, propagating
xenbr0: port 4(vif5.0) entering forwarding state
blkback: ring-ref 8, event-channel 6, protocol 1 (x86_32-abi)
blkback: ring-ref 9, event-channel 7, protocol 1 (x86_32-abi)
vif5.0: no IPv6 routers present
xenbr0: port 4(vif5.0) entering disabled state
device vif5.0 left promiscuous mode
audit(1184761929.900:12): dev=vif5.0 prom=0 old_prom=256 auid=4294967295
xenbr0: port 4(vif5.0) entering disabled state

# ifconfig Dom2
lo        Link encap:Local Loopback
         inet addr:127.0.0.1  Mask:255.0.0.0
         inet6 addr: ::1/128 Scope:Host
         UP LOOPBACK RUNNING  MTU:16436  Metric:1
         RX packets:6 errors:0 dropped:0 overruns:0 frame:0
         TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0
         RX bytes:504 (504.0 b)  TX bytes:504 (504.0 b)

# dmesg Dom2

IA-32 Microcode Update Driver: v1.14a-xen <tigran@xxxxxxxxxxx>
audit: initializing netlink socket (disabled)
audit(1184761327.801:1): initialized
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
Initializing Cryptographic API
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
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 16384K size 1024 blocksize
loop: loaded (max 8 devices)
Xen virtual console successfully installed as tty1
Event-channel device installed.
netfront: Initialising virtual ethernet driver.
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
PNP: No PS/2 controller found. Probing ports directly.
i8042.c: No controller found.
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 1
NET: Registered protocol family 17
Using IPI No-Shortcut mode
xen-vbd: registered block device major 3
blkfront: hda1: barriers enabled
blkfront: hda2: barriers enabled
netfront: device eth0 has copying receive path.
XENBUS: Device with no driver: device/console/0
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
EXT2-fs warning (device hda1): ext2_fill_super: mounting ext3 filesystem as ext2
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 192k freed
serial_core: no version for "struct_module" found: kernel tainted.
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
Adding 262136k swap on /dev/hda2.  Priority:-1 extents:1 across:262136k
device-mapper: ioctl: 4.7.0-ioctl (2006-06-24) initialised: dm-devel@xxxxxxxxxx
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
IPv6 over IPv4 tunneling driver


thank in advance.


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