[dpdk-dev] intel x540-at2

2014-01-05 Thread Jose Gavine Cueto
Hi Venky, On Fri, Jan 3, 2014 at 9:43 PM, Venkatesan, Venky < venky.venkatesan at intel.com> wrote: > Pepe , > > Was the DPDK library compiled on a different machine and the used in the > VM? It looks like it has been compiled for native AVX (hence the > vzeroupper). Could you dump cpuinfo in th

[dpdk-dev] Issue when the kernel parameter intel_iommu=on is being used

2014-01-05 Thread François-Frédéric Ozog
Hi, To understand the issue, you may have a look at: http://www.intel.com/content/www/us/en/intelligent-systems/intel-technology/ vt-directed-io-spec.html When you have no IOMMU, "physical" address space is accessed directly by hardware, so your core works. When VT-d is active, there is DMA/IRQ

[dpdk-dev] Issue when the kernel parameter intel_iommu=on is being used

2014-01-05 Thread Sridhar S
Hello, I am using DPDK 1.5 for development of host pmd for device ?Connect X3?. I am observing issue while the ConnectX3 device DMA to a memory which is allocated with rte_memzone_reserve_aligned() API . The issue(please refer ERROR below) has been observed if the system runs with the kerne

[dpdk-dev] intel x540-at2

2014-01-05 Thread Thomas Monjalon
05/01/2014 22:31, Jose Gavine Cueto : > venky.venkatesan at intel.com> wrote: > > Was the DPDK library compiled on a different machine and the used in the > > VM? It looks like it has been compiled for native AVX (hence the > > vzeroupper). Could you dump cpuinfo in the VM and see what instruction