stay Eal:Error reading from file descriptor 33: Input/output error In this article, I described the problem of printing Input/output error when dpdk program in VMWARE environment uses 82545EM virtual network card.
This problem was finally solved by modifying igb_uio code repair, after repair, I can't help thinking about how user mode ...
Added by pl_harish on Sun, 06 Mar 2022 10:41:20 +0200
The common igb electric interface network card needs to support the configuration of rate duplex, but the interface of rate duplex is not configured in dpdk-19.11. Therefore, it needs to be developed, and the implementation method needs to be determined by studying the driver codes of different network cards.
In this paper, the igb ne ...
Added by jmantra on Fri, 11 Feb 2022 12:16:26 +0200
DPDK-20.11. Version 3 uses meson and ninja for compilation and installation. Refer to the previous process DPDK-20.11.3 in CentOS 8 Compile and run on 4 According to this step, after the compilation and installation is completed, it can be found that the test case executable has been generated in the build/app and build/example directories.
Added by sgoku01 on Fri, 31 Dec 2021 18:32:54 +0200
In a newly imported hardware, the service port uses the x710 network card with four optical ports. The dpdk program reports the following error during initialization:
EAL: PCI device 0000:16:00.0 on NUMA socket -1
EAL: probe driver: 8086:1581 rte_i40e_pmd
EAL: PCI memory mapped at 0x4200120000
EAL: PCI memory mapped ...
Added by bluedogatdingdong on Tue, 21 Dec 2021 10:52:12 +0200
In VMWARE virtual machine, 82545EM virtual network card is bound with IGB_ After UIO, run the dpdk program, which always has the following alarm information:
Eal:Error reading from file descriptor 33: Input/output error
The dpdk version used is 16.04 and the program is l2fwd.
1. dpdk internal code
Added by hostfreak on Sun, 21 Nov 2021 05:40:22 +0200