Error reading from file descriptor 13: Input/output error
2017-11-14 21:39
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when run dpdk pmd meet Error reading from file descriptor 13: Input/output error,
change code lib/librte_eal/linuxapp/igb_uio/igb_uio.c
/* fall back to INTX */
case RTE_INTR_MODE_LEGACY:
/*if (pci_intx_mask_supported(udev->pdev)) {
dev_dbg(&udev->pdev->dev, "using INTX");
udev->info.irq_flags = IRQF_SHARED | IRQF_NO_THREAD;
udev->info.irq = udev->pdev->irq;
udev->mode = RTE_INTR_MODE_LEGACY;
break;
}
dev_notice(&udev->pdev->dev, "PCI INTX mask not supported\n");*/
dev_dbg(&udev->pdev->dev, "using INTX");
udev->info.irq_flags = IRQF_SHARED;
udev->info.irq = udev->pdev->irq;
udev->mode = RTE_INTR_MODE_LEGACY;
break;
/* fall back to no IRQ */
change code lib/librte_eal/linuxapp/igb_uio/igb_uio.c
/* fall back to INTX */
case RTE_INTR_MODE_LEGACY:
/*if (pci_intx_mask_supported(udev->pdev)) {
dev_dbg(&udev->pdev->dev, "using INTX");
udev->info.irq_flags = IRQF_SHARED | IRQF_NO_THREAD;
udev->info.irq = udev->pdev->irq;
udev->mode = RTE_INTR_MODE_LEGACY;
break;
}
dev_notice(&udev->pdev->dev, "PCI INTX mask not supported\n");*/
dev_dbg(&udev->pdev->dev, "using INTX");
udev->info.irq_flags = IRQF_SHARED;
udev->info.irq = udev->pdev->irq;
udev->mode = RTE_INTR_MODE_LEGACY;
break;
/* fall back to no IRQ */
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