Re: ioatdma(Intel(R) I/OAT DMA Engine init failed)

From: Gavin Guo
Date: Wed May 25 2016 - 02:57:47 EST


On Fri, May 20, 2016 at 6:17 AM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote:
> On Thu, May 19, 2016 at 1:17 PM, Jiang, Dave <dave.jiang@xxxxxxxxx> wrote:
>>> > > And I checked the config and found the CONFIG_PCI_MMCONFIG=y. The
>>> > > following string also can be observed in the dmesg:
>>> > >
>>> > > [ 1.419853] PCI: MMCONFIG for domain 0000 [bus 00-ff] at
>>> > > [mem0x80000000-0x8fffffff] (base 0x80000000)
>>> > > [ 1.419855] PCI: MMCONFIG at [mem 0x80000000-0x8fffffff] reserved in E820
>>> > >
>>> > > It seems the extended PCI config space is enabled. If there is
>>> > > anything missed?
>
> how about output for "lspci -vvxxxx" ?

Sorry that my client is slow in response. I'll bring it up if I
receive any information.