Thanks Jianfeng! On Mon, Aug 29, 2016 at 12:29 AM, Tan, Jianfeng <jianfeng.tan at intel.com> wrote:
> These flags are used to compose the configuration, which will be passed as > parameter to rte_dev_configure(). And by default in testpmd, hw-vlan is > enabled, which is not supported by virtio device but can be supported by > other hardware devices. > > Thanks, > Jianfeng > > On 8/27/2016 1:58 AM, Charlie Li wrote: > > 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 >> > > >
