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Date: Thu, 25 Feb 2016 18:38:48 +0530
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From: Santosh Shukla <sshukla@mvista.com>
To: =?UTF-8?Q?Mauricio_V=C3=A1squez?=
 <mauricio.vasquezbernal@studenti.polito.it>
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Cc: dpdk <dev@dpdk.org>
Subject: Re: [dpdk-dev] virtio PMD is not working with master version
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On Thu, Feb 25, 2016 at 5:00 PM, Mauricio V=C3=A1squez
<mauricio.vasquezbernal@studenti.polito.it> wrote:
> Hello,
>
> I am trying to connect two virtual machines through Open vSwitch using
> vhost-user ports, on the host side everything looks fine.
> When using the standard virtio drivers both virtual machines are able to
> exchange traffic, but when I load the virtio PMD and run a DPDK applicati=
on
> it shows the following error message:
>
> ...
> EAL: PCI device 0000:00:04.0 on NUMA socket -1
> EAL:   probe driver: 1af4:1000 rte_virtio_pmd
> EAL:   PCI memory mapped at 0x7f892dc00000
> PMD: virtio_read_caps(): [40] skipping non VNDR cap id: 11
> PMD: virtio_read_caps(): no modern virtio pci device found.
> PMD: vtpci_init(): trying with legacy virtio pci.
> EAL: eal_parse_sysfs_value(): cannot open sysfs value
> /sys/bus/pci/devices/0000:00:04.0/uio/uio0/portio/port0/start
> EAL: pci_uio_ioport_map(): cannot parse portio start
> EAL: Error - exiting with code: 1
>   Cause: Requested device 0000:00:04.0 cannot be used
> ...
>
hmmm, Resource error log has nothing to do with ovs, I tested
tip-of-tree for testpmd for ioport mode, no interface attached.
Couldn't see those error.