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. -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html