Re: [Xen-users] no networking anymore

[Marc Patino Gómez <mpatino@xxxxxxxxxxxx>]

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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