It's not really CPU relevance but IOMMU fault, iommu=pt kernel option solves the problem.
On Tue, May 6, 2014 at 10:55 AM, Jun Xiao <xiaojuntime at gmail.com> wrote: > Sorry for the spam, I just noticed it's AMD cpu! Is it possible to > make it fail quickly if dpdk cannot really work with AMD cpu? > > On Tue, May 6, 2014 at 10:26 AM, Jun Xiao <xiaojuntime at gmail.com> wrote: >> Hi, >> >> I am running dpdk-1.6.0r1 with Intel 82599ES with some problems: >> - The test driver is l2fwd, and it is started successfully without any >> problem (all DEBUG build flags are enabled, but I didn't find anything >> abnormal) >> - l2fwd cannot see any packet generated by pktgen on another machine. >> - The connectivity between l2fwd machine and pktgen machine is fine >> (verified by ping before igb_uio is loaded) >> - # tools/pci_unbind.py --status >> >> Network devices using IGB_UIO driver >> ==================================== >> 0000:22:00.0 '82599ES 10-Gigabit SFI/SFP+ Network Connection' >> drv=igb_uio unused= >> 0000:22:00.1 '82599ES 10-Gigabit SFI/SFP+ Network Connection' >> drv=igb_uio unused= >> >> Network devices using kernel driver >> =================================== >> 0000:01:00.0 'NetXtreme II BCM5709 Gigabit Ethernet' if=em1 drv=bnx2 >> unused=<none> *Active* >> 0000:01:00.1 'NetXtreme II BCM5709 Gigabit Ethernet' if=em2 drv=bnx2 >> unused=<none> >> >> I am pretty confident on the procedures since I tried it out on >> another setup with Intel I350 Gigabit NIC. >> >> Thanks, >> Jun
