[lago-devel] OST: libvirt: error : internal error: Check the host setup: enabling IPv6 forwarding with RA routes

[Edward Haas]

On Thu, Aug 10, 2017 at 3:13 PM, Milan Zamazal <mzamazal at redhat.com> wrote:

> Eyal Edri <eedri at redhat.com> writes:
>
> > Adding also lago-devel.
> > Eddy, isn't it the same issue I had on Fedora 26?
>

I do not recall the details, but this one seems very specific, telling
exactly what the problem is.


> The following command resolved the problem on my machine:
>
>   echo 2 > /proc/sys/net/ipv6/conf/enp0s25/accept_ra
>
> (Thanks to Petr Horáček for the advice.)
>
> > On Thu, Aug 10, 2017 at 2:32 PM, Milan Zamazal <mzamazal at redhat.com>
> wrote:
> >
> >> Hi, I get the following error when I try to run OST, I think since I've
> >> upgraded my computer to RHEL 7.4 recently:
> >>
> >>   + lago start
> >>   @ Start Prefix:
> >>     # Start nets:
> >>       * Create network lago-basic-suite-master-net-storage:
> >>   libvirt:  error : internal error: Check the host setup: enabling IPv6
> >> forwarding with RA routes without accept_ra set to 2 is likely to cause
> >> routes loss. Interfaces to look at: enp0s25
> >>       * Create network lago-basic-suite-master-net-storage: ERROR (in
> >> 0:00:00)
> >>     # Start nets: ERROR (in 0:00:00)
> >>   @ Start Prefix: ERROR (in 0:00:00)
> >>   Error occured, aborting
> >>   Traceback (most recent call last):
> >>     File "/usr/lib/python2.7/site-packages/lago/cmd.py", line 942, in
> main
> >>       cli_plugins[args.verb].do_run(args)
> >>     File "/usr/lib/python2.7/site-packages/lago/plugins/cli.py", line
> >> 184, in do_run
> >>       self._do_run(**vars(args))
> >>     File "/usr/lib/python2.7/site-packages/lago/utils.py", line 501, in
> >> wrapper
> >>       return func(*args, **kwargs)
> >>     File "/usr/lib/python2.7/site-packages/lago/utils.py", line 512, in
> >> wrapper
> >>       return func(*args, prefix=prefix, **kwargs)
> >>     File "/usr/lib/python2.7/site-packages/lago/cmd.py", line 265, in
> >> do_start
> >>       prefix.start(vm_names=vm_names)
> >>     File "/usr/lib/python2.7/site-packages/lago/sdk_utils.py", line 50,
> >> in wrapped
> >>       return func(*args, **kwargs)
> >>     File "/usr/lib/python2.7/site-packages/lago/prefix.py", line 1295,
> in
> >> start
> >>       self.virt_env.start(vm_names=vm_names)
> >>     File "/usr/lib/python2.7/site-packages/lago/virt.py", line 342, in
> >> start
> >>       net.start()
> >>     File "/usr/lib/python2.7/site-packages/lago/providers/
> libvirt/network.py",
> >> line 107, in start
> >>       net = self.libvirt_con.networkCreateXML(self._libvirt_xml())
> >>     File "/usr/lib64/python2.7/site-packages/libvirt.py", line 4052, in
> >> networkCreateXML
> >>       if ret is None:raise libvirtError('virNetworkCreateXML() failed',
> >> conn=self)
> >>   libvirtError: internal error: Check the host setup: enabling IPv6
> >> forwarding with RA routes without accept_ra set to 2 is likely to cause
> >> routes loss. Interfaces to look at: enp0s25
> >>
> >> Do you have any idea how to fix / work around that and make OST running
> >> again?
> >>
> >> (Complete lago.log attached.)
> >>
> >> Thanks,
> >> Milan
> >>
> >>
> >> _______________________________________________
> >> Devel mailing list
> >> Devel at ovirt.org
> >> http://lists.ovirt.org/mailman/listinfo/devel
> >>
>
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