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xen-users
Re: [Xen-users] A classic... Network inside domU
That's funny: I understand so much your situation.
François
2006/6/28, Lars Erik Dangvard Jensen <lars@xxxxxxxxxxx>:
Ok, I think I have all these modules static compiled in my dom0 kernel
(http://www.dangvard.dk/xen3/dom0config).
But I'm not sure what exactly the modules are called in the dom0 config
file. E.g. tun is called CONFIG_TUN etc.
***5 minutes later....***
OMG! I see that I have physically connected the servers eth0 to a wrong
cable, a wifi ethernet adapter (not a switch!), which is ONLY assigned
one IP-address...!
LONG LIVE CABLE CHAOS ON MY FLOOR!
Sorry, Francois, to waste your precious time. But now this kind of
problem also reached the xen-user list! :S
I could have made something up, to hide my own mistake... but I think
it's pretty funny that I've spend 2 days searching for at problem that
wasn't there. I really hope it amuses others on the list a bit ;)
Thanks for your help.
François Lapointe skrev:
> Using an (almost) stock xen kernel, here are the modules that load
> after xend starts:
> bash-3.1$ lsmod
> Module Size Used by
> tun 13184 0
> xt_physdev 3344 1
> loop 18952 2
> iptable_filter 3968 1
> ip_tables 15348 1 iptable_filter
> x_tables 14468 2 xt_physdev,ip_tables
> bridge 56084 0
>
> François
>
> 2006/6/28, François Lapointe <flapointe@xxxxxxxxx>:
>> I'm not sure about this one, but you may try :
>> # echo 1 > /proc/sys/net/ipv4/ip_forward
>> to activate ip forwarding.
>>
>> I try to think of other network modules that may be necessary, but I
>> have most of them compiled in the kernel.
>>
>> François
>>
>> 2006/6/28, Lars Erik Dangvard Jensen <lars@xxxxxxxxxxx>:
>> > I loaded the tun module, but still there's no connection.
>> >
>> > The tun module returns this when loaded:
>> >
>> > tun: no version for "struct_module" found: kernel tainted.
>> > tun: Universal TUN/TAP device driver, 1.6
>> > tun: (C) 1999-2004 Max Krasnyansky <maxk@xxxxxxxxxxxx>
>> >
>> >
>> > What does no version for "struct_module" found: kernel tainted mean?
>> >
>> > Thanks
>> >
>> > Lars
>> >
>> > François Lapointe skrev:
>> > > Make sure your network "tun" module is loaded :
>> > > # modprobe tun
>> > >
>> > > François
>> > >
>> > > 2006/6/27, Lars Erik Dangvard Jensen <lars@xxxxxxxxxxx>:
>> > >> Hi list
>> > >>
>> > >> I've been struggling with this for a while. A classic -> no
>> > >> network/internetaccess inside domU.
>> > >> I've been reading mailing lists, wiki etc., but no luck!
>> > >>
>> > >> I think it's a bit weird because nothing of what I've read that
>> should
>> > >> cause this have been wrong.
>> > >>
>> > >> dom0 has networkaccess and domU don't.
>> > >>
>> > >> Here's my info on the system running Xen 3.0.2 (installed from xen3
>> > >> sourcedist, custom dom0 and domU kernels but with sourcedists own
>> > >> configs as base as a start)
>> > >>
>> > >> Dom0 operating system:
>> > >> Ubuntu "Dapper Drake" 6.06 LTS
>> > >>
>> > >> Hardware platform:
>> > >> Dell PowerEdge 1850 (see http://dangvard.dk/xen3/1850_specs.pdf)
>> > >>
>> > >> Arch:
>> > >> x86_64
>> > >>
>> > >> Info dom0/U (command output for debugging):
>> > >> http://dangvard.dk/xen3/dom0brctlshow
>> > >> http://dangvard.dk/xen3/dom0config
>> > >> http://dangvard.dk/xen3/dom0dmesg
>> > >> http://dangvard.dk/xen3/dom0ifconfig-a
>> > >> http://dangvard.dk/xen3/dom0interfaces
>> > >> http://dangvard.dk/xen3/dom0netstat-rn
>> > >> http://dangvard.dk/xen3/dom0netstat-s
>> > >> http://dangvard.dk/xen3/dom0xmdmesg
>> > >> http://dangvard.dk/xen3/dom0xmlist
>> > >> http://dangvard.dk/xen3/domainconfig
>> > >> http://dangvard.dk/xen3/domUconfig
>> > >> http://dangvard.dk/xen3/domUdmesg
>> > >> http://dangvard.dk/xen3/domUifconfig-a
>> > >> http://dangvard.dk/xen3/domUinterfaces
>> > >> http://dangvard.dk/xen3/domUnetstat-rn
>> > >> http://dangvard.dk/xen3/domUnetstat-s
>> > >>
>> > >> This comes from time to time inside domU to stdout, what does it
>> mean?:
>> > >> * INIT: Id "3" respawning too fast: disabled for 5 minutes
>> > >> * INIT: Id "2" respawning too fast: disabled for 5 minutes
>> > >> * INIT: Id "4" respawning too fast: disabled for 5 minutes
>> > >> * INIT: Id "5" respawning too fast: disabled for 5 minutes
>> > >> * INIT: Id "6" respawning too fast: disabled for 5 minutes
>> > >>
>> > >>
>> > >> Thanks
>> > >>
>> > >> Lars
>> > >>
>> > >> _______________________________________________
>> > >> Xen-users mailing list
>> > >> Xen-users@xxxxxxxxxxxxxxxxxxx
>> > >> http://lists.xensource.com/xen-users
>> > >>
>> >
>> >
>> > _______________________________________________
>> > Xen-users mailing list
>> > Xen-users@xxxxxxxxxxxxxxxxxxx
>> > http://lists.xensource.com/xen-users
>> >
>>
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