Thanks Jianfeng, After adding " --txqflags=0xf00 --disable-hw-vlan", testpmd starts to work for me.
My follow-up is question is - Why these flags are required in the VM while not required in the host? Regards, Charlie On Fri, Aug 26, 2016 at 4:55 AM, Tan, Jianfeng <jianfeng.tan at intel.com> wrote: > 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 > in > > 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. > > Thanks, > Jianfeng > > > > > Has anybody seen similar issue in the VM? > > > > Thanks, > > > > Charlie >
