[ovs-dev] Fwd: [Dpdk-ovs] dpdk ovs

Flavio Leitner fbl at sysclose.org
Tue Oct 13 13:13:13 UTC 2015


On Wed, Sep 30, 2015 at 06:03:11PM -0700, Gayathri wrote:
> Hi All,
> 
> I tried to install DPDK-OVS (2.0) on a virtual machine (initiated using
> virt-manger). But dpdk interface creation fails with the following below
> error
[...]

> During vswitchd initialization, PCI device mapping seem to indicate socket
> -1, is this fine?? It should indicate the mapped memory like this, right?

Yes.

> "EAL:   PCI memory mapped at 0x7f8380024000"
> 
> ======= ovs-vswitchd initialization logs
> EAL: Requesting 512 pages of size 2MB from socket 0
[...]
> 2015-10-01T00:47:11.390Z|00017|dpdk|INFO|Interface dpdk0 txq(0) setup
> error: Cannot allocate memory
[...]
> =====
>  cat /proc/meminfo | grep -i huge
> AnonHugePages:    212992 kB
> HugePages_Total:    2048
> HugePages_Free:     1536

DPDK needs to preallocate all memory at startup and 512 pages isn't
enough.

fbl




More information about the dev mailing list