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HK2PR0301MB1252; 5:wSOt+xirXVVThufyXE3Njhufyro6pgPsAmrSTfiRf5oZ/j4xY3OjEjZT1UYrOER8jePOg8CgkZZaQyWTYl5JisRYWAdtDy66FA54+EZZAbSBXRePp5IqkGhDLI2pQfJRl58LMIHtdnlmefEFCH7UUQ==; 24:nEv8R0swL2mftkECy9TZYMhlr5VUta9wVXeaU6/pPgG8hoN8nLJ4qwMPxMY1MgX1Z1ich1YzhFpmUlOJF7ewNqnBrQZoyjUyiDpMyUrMEH8=; 20:9DJvKUfI13Ubj8mzOrAlCP151z5DiIwKfnMBBFj0XBeCovv2nJtWq1n8iBn28o3dEH41Jbc1WneCRIuckGzpXw== SpamDiagnosticOutput: 1:23 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: korins.ky X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Sep 2015 08:52:01.9610 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: HK2PR0301MB1252 Subject: [dpdk-dev] [PATCH] Fix VMware emulated e1000 doesn't support INTX_DISABLE flag X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Sep 2015 08:52:09 -0000 When you try to run any DPDK-app in VMWare with e1000/82545EM NIC you have a lot of lines like: EAL: Error reading from file descriptor 9: Input/output error The reason of this error is bad INTX emulation in VMWare and pci_intx_mask_supported return false every time. --- lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c index 865a276..c85f7e5 100644 --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c +++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c @@ -36,6 +36,7 @@ #ifdef CONFIG_XEN_DOM0 #include #endif +#include #include #include "compat.h" @@ -508,7 +509,8 @@ 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)) { + /* VMware emulated e1000 doesn't support INTX_DISABLE flag */ + if (pci_intx_mask_supported(dev) || x86_hyper == &x86_hyper_vmware) { dev_dbg(&dev->dev, "using INTX"); udev->info.irq_flags = IRQF_SHARED; udev->info.irq = dev->irq; -- 2.5.3