[Pkg-libvirt-maintainers] Virtio interfaces have the speed to 0

[Guido Günther]

On Thu, Oct 24, 2013 at 08:53:24PM +0200, Laurent LEGENDRE wrote:
[..snip..] 
> I think snmpd tries to get speed info from this file and 0 is default
> value (according to this link) :
> http://sources.debian.net/src/net-snmp/5.7.2~dfsg-8.1/agent/mibgroup/if-mib/data_access/interface_linux.c

In this case libvirt isn't involved and it's a kernel issue and needs to
be reported against the linux kernel package in use. I was under the
impression that something like this is in use:

	http://wiki.libvirt.org/page/Libvirt-snmp

Cheers,
 -- Guido

> 
> Moreover, "ethtool eth0" returns only "Link detected: yes"  with the
> virtio driver
> The virtio_pci driver seems to give very little information (in the
> normal way - like e1000 driver does) to fill files like the "speed"
> file in /sys/devices/
> That could explain why some tools like ethtool and snmpd are unable to
> retrieve some data.
> 
> And is it the right place for this bug now that virtio-pci driver is
> embeded in the kernel ?
> 
> Regards,
> Laurent
> ---------------------------------------------------------------------------------------------------------
> 
> If it needs to be post in a more formal way (new debian bug report maybe),
> just tell me how to do it and to which package it must be attached, and
> I'll do it.
> 
> Regards,
> Laurent
> 
> 
> 2013/10/24 Frédéric Massot <frederic at juliana-multimedia.com>
> 
> > Le 26/04/2013 14:49, Guido Günther a écrit :
> >
> >> On Fri, Apr 26, 2013 at 09:06:27PM +0900, Hideki Yamane wrote:
> >>  > On Fri, 26 Apr 2013 09:06:09 +0200
> >>  > Guido Günther <agx at sigxcpu.org> wrote:
> >>  > > virtio network values are reported fine by libvirt. Check e.g.
> >>  > > libvirt-munin-plugions.
> >>  >
> >>  > I'm not familiar with libvirt, so please tell me that does libvirt not
> >>  > provide NIC negotiation state info (10/100/1000MB, full/half dupllex,
> >> etc)
> >>  > as same as baremetal one? libvirt-munin-plugins imports libvirt python
> >>  > module, so it seems that we need to use libvirt interface to get
> >>  > such info, right?
> >>
> >> libvirt has packet and volume counters per interface. How are you
> >> querying the results from libvirt that you assume it's failing?
> >>
> >
> > Hi,
> >
> > I do not know why this bug is archived, for me it is still valid, the
> > problem is still not resolved. I'm sorry to have put several people in
> > copy, but the bug is archived and can no longer respond.
> >
> > I do not really understand the answer of Guido Günther and use of Munin.
> >
> >
> > My problem is that snmpd on the guest returns zero for the speed of the
> > virtio network interface.
> >
> > Why should I install munin-libvirt-plugins package that depends on the
> > munin-node package for snmpd returns a good value?  :o)
> >
> >
> > Regards.
> > --
> > ==============================**================
> > |              FRÉDÉRIC MASSOT               |
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> > |   mailto:frederic at juliana-**multimedia.com<frederic at juliana-multimedia.com>  |
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> >