From: "Zhang, Helin" <helin.zhang@intel.com>
To: "Dai, Wei" <wei.dai@intel.com>,
"Lu, Wenzhuo" <wenzhuo.lu@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] net/ixgbe: fix VF RX hang
Date: Wed, 20 Dec 2017 06:09:18 +0000 [thread overview]
Message-ID: <F35DEAC7BCE34641BA9FAC6BCA4A12E71ACC1CDB@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <49759EB36A64CF4892C1AFEC9231E8D6515653D6@PGSMSX112.gar.corp.intel.com>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Dai, Wei
> Sent: Wednesday, November 22, 2017 9:18 AM
> To: Lu, Wenzhuo; dev@dpdk.org
> Cc: Lu, Wenzhuo; stable@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] net/ixgbe: fix VF RX hang
>
>
>
> > -----Original Message-----
> > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Wenzhuo Lu
> > Sent: Monday, November 20, 2017 11:38 AM
> > To: dev@dpdk.org
> > Cc: Lu, Wenzhuo <wenzhuo.lu@intel.com>; stable@dpdk.org
> > Subject: [dpdk-dev] [PATCH] net/ixgbe: fix VF RX hang
> >
> > The datasheet says, if using MSI-X mode, the PBA support bit of the
> > GPIE register must be set to 1.
> > DPDK uses polling mode, we cannot hit this issue in the scenario DPDK
> > PF + DPDK VF. If we use DPDK PF + kernel VF, as the kernel driver uses
> > interrpt mode, VF may hit RX hang after running hours.
> >
> > Fixes: 00e30184daa0 ("ixgbe: add PF support")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
> Acked-by: Wei Dai <wei.dai@intel.com>
Applied to next-net-intel, thanks! /Helin
prev parent reply other threads:[~2017-12-20 6:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-20 3:37 [dpdk-stable] " Wenzhuo Lu
2017-11-22 1:18 ` [dpdk-stable] [dpdk-dev] " Dai, Wei
2017-12-20 6:09 ` Zhang, Helin [this message]
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