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List:       openvswitch-discuss
Subject:    [ovs-discuss] ovs-openflowd segfaults in userspace mode
From:       akbar.mehdi () seecs ! nust ! edu ! pk (Syed Akbar Mehdi)
Date:       2011-03-07 21:17:40
Message-ID: AANLkTik_ZPCE3o-gAHjfgusgOF9FExhSfbUfLuzCGi3W () mail ! gmail ! com
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Thanks.

On Tue, Mar 8, 2011 at 2:08 AM, Jesse Gross <jesse at nicira.com> wrote:

> On Sat, Mar 5, 2011 at 6:07 AM, Syed Akbar Mehdi
> <akbar.mehdi at seecs.nust.edu.pk> wrote:
> > Hi,
> >
> > I am having trouble trying to run ovs-vswitchd in userspace mode. I get
> the
> > following behaviour:
> >
> > $ sudo ovs-vswitchd unix:/usr/local/var/run/openvswitch/db.sock --pidfile
> > Mar 05
> >
> 18:52:54|00001|reconnect|INFO|unix:/usr/local/var/run/openvswitch/db.sock:
> > connecting...
> > Mar 05
> >
> 18:52:54|00002|reconnect|INFO|unix:/usr/local/var/run/openvswitch/db.sock:
> > connected
> > Mar 05 18:52:54|00003|dpif_linux|ERR|Generic Netlink family
> 'odp_datapath'
> > does not exist. The Open vSwitch kernel module is probably not loaded.
> > Mar 05 18:52:54|00004|dpif|WARN|failed to enumerate system datapaths: No
> > such file or directory
> >
> > If I go ahead and try to add a bridge using:
> >
> > $ sudo ovs-vsctl add-br br0
>
> If you want to setup a bridge in userspace you need to specify that.
> In this case:
> ovs-vscrtl add-br br0 -- set bridge type=netdev
>
> >
> > I get the following output from ovs-vswitchd:
> >
> > Mar 05 18:55:46|00005|dpif|WARN|failed to create datapath br0: No such
> file
> > or directory
> >
> > The version of Open vSwitch I am using is the latest checked out from
> git.
> > Also I should add that I am able to run ovs-openflowd in userspace mode.
> > However I need to use ovs-vswitchd for using QoS queues on my switch's
> > interfaces.
>
> OpenFlow QoS is only supported in the kernel datapath.
>



-- 
Regards,
Syed Akbar Mehdi,
School of EECS (SEECS),
National University of Sciences and Technology (NUST),
Pakistan.
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