> -----Original Message----- > From: users [mailto:[email protected]] On Behalf Of Ferruh Yigit > Sent: Thursday, January 12, 2017 8:22 PM > To: Alejandro Lucero > Cc: Gregory Etelson; dev; [email protected] > Subject: Re: [dpdk-users] [dpdk-dev] IGB_UIO: PCI Resources Management > > On 1/12/2017 12:12 PM, Alejandro Lucero wrote: > > > > > > On Thu, Jan 12, 2017 at 11:55 AM, Ferruh Yigit <[email protected] > > <mailto:[email protected]>> wrote: > > > > On 12/9/2016 8:54 AM, Gregory Etelson wrote: > > > Hello, > > > > > > IGB_UIO driver does not close port PCI activities after DPDK process > exits. > > > DPDK API provides rte_eth_dev_close() to manage port PCI, > > > but it can be skipped if process receives SIGKILL signal > > > > I guess I understand the problem. > > > > > > This is a known problem, but it is not just a UIO problem, and this > > patch does not solve it, maybe it just solves part of it. > > > > In fact, a DPDK program crashing could imply the NIC DMAing after that > > and after that memory was assigned to another program. > > Yes. > Can there be a way to stop NIC DMA, (or prevent it access to mem > anymore) when app crashes? > I think that is what this patch is looking for.
If I understand it correctly, you are looking for this patch? http://dpdk.org/dev/patchwork/patch/17495/
