[dpdk-users] Issue with error EAL: Error reading from file descriptor 21: Input/output error
SAKTHIVEL ANAND S
anand.sa88 at gmail.com
Fri May 6 10:25:25 CEST 2016
Looks like , this is known issue..
Please check this part "6.6. Not all variants of supported NIC types have
been used in testing"
On Fri, May 6, 2016 at 1:28 PM, Upendra Pathrikar <uspathrikar at gmail.com>
> I am using machine with
> on board NIC - pci-e connection - Intel Corporation Ethernet Connection
> I217-LM (rev 04) -e1000e kernel deriver
> add on card - pci conncetion - Intel Corporation 82540EM Gigabit Ethernet
> Controller (rev 02) -e1000 kernel driver
> whenever i bind only I217-LM with igb_uio, testpmd($ sudo ./testpmd -c 0xff
> -n 4 -- -i) runs well without any error and pmd identify port and
> but whenever i bind 82540EM with igb_uio, testpmd($ sudo ./testpmd -c 0xff
> -n 4 -- -i) runs with error "EAL: Error reading from file descriptor 21:
> Input/output error" though it runs and identify port etc. But continues
> "EAL: Error reading from file descriptor 21: Input/output error" is printed
> on screen.
> So is this error specfic to nic or driver e1000 or pci connection ?
> I am unable to identify. If i add one more card of Intel Corporation
> 82540EM Gigabit Ethernet Controller (rev 02) -e1000 kernel driver with pci
> connection, now it gives two errors "EAL: Error reading from file
> descriptor 21: Input/output error" and "EAL: Error reading from file
> descriptor 23: Input/output error" one after another in continues stream
> I tried for dpdk-2.0.0, dpdk-2.2.0 and dpdk-16.04
> What is exact problem behind error and how can we resolve this.
> *Regards,Upendra Sunil PathrikarBharti School of Telecom Technology and
> Management,Indian Institute of Technology, Delhi.*
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