[dpdk-users] Why testpmd fails to start in VM while l2fwd works in the same VM?
charlie.li at gmail.com
Fri Aug 26 19:58:58 CEST 2016
After adding " --txqflags=0xf00 --disable-hw-vlan", testpmd starts to work
My follow-up is question is -
Why these flags are required in the VM while not required in the host?
On Fri, Aug 26, 2016 at 4:55 AM, Tan, Jianfeng <jianfeng.tan at intel.com>
> Hi Charlie,
> > -----Original Message-----
> > From: users [mailto:users-bounces at dpdk.org] On Behalf Of Charlie Li
> > Sent: Friday, August 26, 2016 1:28 AM
> > To: users at dpdk.org
> > Subject: [dpdk-users] Why testpmd fails to start in VM while l2fwd works
> > the same VM?
> > Hi All,
> > My host and VM both are running Fedora 23.
> > In the host, DPDK (testpmd, l2fwd and l3fwd) works fine.
> > Then I set up OVS with DPDK and pass two (dpdkvhostuser) ports to the VM.
> > In the VM, l2fwd works fine, but testpmd fails to start. Pleas see the
> > attached screenshot of the VM with error messages.
> I do not know how to run testpmd. Just a hint, you need to add "
> --txqflags=0xf00 --disable-hw-vlan" when starting testpmd.
> > Has anybody seen similar issue in the VM?
> > Thanks,
> > Charlie
More information about the users