In vmware esxi 6.0, add the emulated e1000 device to guest, then launch the VM, we will see the error meassage as below:
EAL: Error reading from file descriptor 21: Input/output error INTX is badly emulated in Vmware, INTX toggle check didn't work with Vmware e1000 device. The patch is to fix the issue. And the patch is from http://dpdk.org/dev/patchwork/patch/945/, so Masaru OKI is the author. Qian just updated the patch for latest code. Signed-off-by: Masaru OKI<m-oki at stratosphere.co.jp> diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c index 72b2692..f5e9aeb 100644 --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c @@ -450,14 +450,11 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) } /* fall back to INTX */ case RTE_INTR_MODE_LEGACY: - if (pci_intx_mask_supported(dev)) { - dev_dbg(&dev->dev, "using INTX"); - udev->info.irq_flags = IRQF_SHARED; - udev->info.irq = dev->irq; - udev->mode = RTE_INTR_MODE_LEGACY; - break; - } - dev_notice(&dev->dev, "PCI INTX mask not supported\n"); + dev_dbg(&dev->dev, "using INTX"); + udev->info.irq_flags = IRQF_SHARED; + udev->info.irq = dev->irq; + udev->mode = RTE_INTR_MODE_LEGACY; + break; /* fall back to no IRQ */ case RTE_INTR_MODE_NONE: udev->mode = RTE_INTR_MODE_NONE; -- 2.1.0
