[dpdk-dev] Dpdk 2.0 with vmware-workstation ubunut guest: so many error msg " EAL: Error reading from file descriptor "

[Mo Jia]

~/Git/dpdk$ uname -a
Linux engine 3.16.0-31-generic #43-Ubuntu SMP Tue Mar 10 17:37:36 UTC
2015 x86_64 x86_64 x86_64 GNU/Linux

git log last commit:
commit c1715402df8f7fdb2392e12703d5b6f81fd5f447
Author: Helin Zhang <helin.zhang at intel.com>
Date:   Thu Jun 4 14:54:32 2015 +0800

    i40evf: fix jumbo frame support



After config and compile then test the helloworld.

1 If I don’t bind to igb_uio:

sudo ./examples/helloworld/build/helloworld -c 3 -n 1

EAL: Detected lcore 0 as core 0 on socket 0
EAL: Detected lcore 1 as core 1 on socket 0
EAL: Support maximum 128 logical core(s) by configuration.
EAL: Detected 2 lcore(s)
EAL: internal_config.no_hugetlbfs : 0 EAL:
internal_config.process_type : 0 EAL: internal_config.xen_dom0_support
: 0EAL: VFIO modules not all loaded, skip VFIO support...
EAL: Setting up memory...
EAL: Ask a virtual area of 0x3800000 bytes
EAL: Virtual area found at 0x7f6808a00000 (size = 0x3800000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f6808600000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f6808200000 (size = 0x200000)
EAL: Ask a virtual area of 0x3400000 bytes
EAL: Virtual area found at 0x7f6804c00000 (size = 0x3400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7f6804800000 (size = 0x200000)
EAL: Requesting 57 pages of size 2MB from socket 0
EAL: TSC frequency is ~2599680 KHz
EAL: Master lcore 0 is ready (tid=dcf0900;cpuset=[0])
EAL: lcore 1 is ready (tid=47ff700;cpuset=[1])
EAL: PCI device 0000:02:01.0 on NUMA socket -1
EAL:   probe driver: 8086:100f rte_em_pmd
EAL:   Not managed by a supported kernel driver, skipped
EAL: PCI device 0000:02:05.0 on NUMA socket -1
EAL:   probe driver: 8086:100f rte_em_pmd
EAL:   Not managed by a supported kernel driver, skipped
EAL: PCI device 0000:02:06.0 on NUMA socket -1
EAL:   probe driver: 8086:100f rte_em_pmd
EAL:   Not managed by a supported kernel driver, skipped
hello from core 1
hello from core 0

2 after I bind it

Network devices using DPDK-compatible driver
============================================
0000:02:05.0 '82545EM Gigabit Ethernet Controller (Copper)' drv=igb_uio unused=
0000:02:06.0 '82545EM Gigabit Ethernet Controller (Copper)' drv=igb_uio unused=

Network devices using kernel driver
===================================
0000:02:01.0 '82545EM Gigabit Ethernet Controller (Copper)' if=eth0
drv=e1000 unused=igb_uio *Active*

Other network devices
=====================
<none>

engine at engine:~/Git/dpdk$ sudo ./examples/helloworld/build/helloworld -c 3 -n 1
EAL: Detected lcore 0 as core 0 on socket 0
EAL: Detected lcore 1 as core 1 on socket 0
EAL: Support maximum 128 logical core(s) by configuration.
EAL: Detected 2 lcore(s)
EAL: internal_config.no_hugetlbfs : 0 EAL:
internal_config.process_type : 0 EAL: internal_config.xen_dom0_support
: 0EAL: VFIO modules not all loaded, skip VFIO support...
EAL: Setting up memory...
EAL: Ask a virtual area of 0x3800000 bytes
EAL: Virtual area found at 0x7ff647200000 (size = 0x3800000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7ff646e00000 (size = 0x200000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7ff646a00000 (size = 0x200000)
EAL: Ask a virtual area of 0x3400000 bytes
EAL: Virtual area found at 0x7ff643400000 (size = 0x3400000)
EAL: Ask a virtual area of 0x200000 bytes
EAL: Virtual area found at 0x7ff643000000 (size = 0x200000)
EAL: Requesting 57 pages of size 2MB from socket 0
EAL: TSC frequency is ~2599681 KHz
EAL: Master lcore 0 is ready (tid=4c5f8900;cpuset=[0])
EAL: lcore 1 is ready (tid=42fff700;cpuset=[1])
EAL: PCI device 0000:02:01.0 on NUMA socket -1
EAL:   probe driver: 8086:100f rte_em_pmd
EAL:   Not managed by a supported kernel driver, skipped
EAL: PCI device 0000:02:05.0 on NUMA socket -1
EAL:   probe driver: 8086:100f rte_em_pmd
EAL:   PCI memory mapped at 0x7ff64aa00000
EAL:   PCI memory mapped at 0x7ff64aa20000
PMD: eth_em_dev_init(): port_id 0 vendorID=0x8086 deviceID=0x100f
EAL: PCI device 0000:02:06.0 on NUMA socket -1
EAL:   probe driver: 8086:100f rte_em_pmd
EAL:   PCI memory mapped at 0x7ff64aa30000
EAL:   PCI memory mapped at 0x7ff64aa50000
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error

3 test with testpmd
sudo ./x86_64-native-linuxapp-gcc/build/app/test-pmd/testpmd -c3 -n2
-- - p3 --total-num-mbufs=1500

(cut many lines)
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
PMD: eth_em_start(): <<
Port 1: 00:0C:29:4C:D9:0E
Checking link statuses...
Port 0 Link Up - speed 1000 Mbps - full-duplex
Port 1 Link Up - speed 1000 Mbps - full-duplex
Done
No commandline core given, start packet forwarding
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 15: Input/output error
EAL: Error reading from file descriptor 13: Input/output error

4 if don't give  --total-num-mbufs=1500 to testpmd

EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
PMD: eth_em_dev_init(): port_id 1 vendorID=0x8086 deviceID=0x100f
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error reading from file descriptor 13: Input/output error
EAL: Error - exiting with code: 1
  Cause: Creation of mbuf pool for socket 0 failed

I am not sure why "EAL: Error reading from file descriptor 13:
Input/output error"
come out. And don't sure it may cause any other problems?

Thank you.