[dpdk-dev] virtio PMD issue

Vincent Li vincent.mc.li at gmail.com
Fri Jul 15 21:55:13 CEST 2016


it is fixed in 16.07-rc2 that I checked

Vincent

On Fri, Jul 15, 2016 at 11:48 AM, Harish Patil <harish.patil at qlogic.com> wrote:
> Hi Huawie/Yuanhan,
> I encounter segfault issue in virtio PMD driver when I run any DPDK
> application in the VM. The virtio devices should not have been probed in
> the first place since they are not attached to igb_uio driver (and managed
> by kernel driver).
>
>
> Network devices using DPDK-compatible driver
> ============================================
> 0000:00:09.0 'FastLinQ QL45000 Series 25GbE Controller' drv=igb_uio unused=
> 0000:00:0a.0 'FastLinQ QL45000 Series 25GbE Controller' drv=igb_uio unused=
>
> Network devices using kernel driver
> ===================================
> 0000:00:03.0 'Virtio network device' if= drv=virtio-pci unused=igb_uio
>
>
>
> #0 0x00000000004e5392 in vtpci_init (dev=0xb61970, hw=0x7fff76146600)
> at /home2/hpatil/dpdk/drivers/net/virtio/virtio_pci.c:653
> #1 0x00000000004effc4 in eth_virtio_dev_init (eth_dev=0xacb7a0
> <rte_eth_devices>)
> at /home2/hpatil/dpdk/drivers/net/virtio/virtio_ethdev.c:1060
> #2 0x00000000004b730f in rte_eth_dev_init ()
> #3 0x00000000004cb940 in pci_probe_all_drivers ()
> #4 0x00000000004cbe88 in rte_eal_pci_probe ()
> #5 0x00000000004c0336 in rte_eal_init ()
> #6 0x00000000004404e2 in main ()
> (gdb) p dev->devargs
> $1 = (struct rte_devargs *) 0x0
>
>
> Looks like its a known issue based on a old thread:
> http://dpdk.org/dev/patchwork/patch/12462/
>
> Do we know a fix now?
>
> Thanks,
> harish
>
>
>
>


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