> -----Original Message-----
> From: discuss [mailto:discuss-boun...@openvswitch.org] On Behalf Of ???
> Sent: Monday, February 29, 2016 10:07 AM
> To: discuss@openvswitch.org
> Subject: [ovs-discuss] a segfault of ovs-dpdk
> 
> Hi all,
> 
> When I test the ovs-dpdk, I get a segfault of ovs-vswitch,and the ovs-vswitch
> crashed

I haven't seen this. Maybe you can re-run and see if the issue exists in the
latest code? and if so, give details about your setup and steps to reproduce.

> 
> The message log :
> 
> 9 10:20:33 A06-R12-302F0111-I32-13 kernel: pmd38[1598]: segfault at 8 ip
> 00000000005d1fc7 sp 00007f8f59bf1900 error 4 in ovs-vswitchd[400000+36a000]
> 
> And the simple analysis of the core as fellows:
> 
> Using host libthread_db library "/lib64/libthread_db.so.1".
> Core was generated by `ovs-vswitchd --dpdk --syslog syslog --log-level 8 -
> c 0x1 -n 4 --socket-mem=2048'.
> Program terminated with signal 11, Segmentation fault.
> #0  0x00000000005d1fc7 in netdev_rxq_recv (rx=0x7f8f6da02240, buffers=buffers
> @entry=0x7f8f59bf1920, cnt=cnt@entry=0x7f8f59bf191c) at lib/netdev.c:654
> 654        retval = rx->netdev->netdev_class->rxq_recv(rx, buffers, cnt);
> Missing separate debuginfos, use: debuginfo-install openvswitch-2.4.0-
> 1.el7.x86_64
> (gdb) bt
> #0  0x00000000005d1fc7 in netdev_rxq_recv (rx=0x7f8f6da02240, buffers=buffers
> @entry=0x7f8f59bf1920, cnt=cnt@entry=0x7f8f59bf191c) at lib/netdev.c:654
> #1  0x00000000005b431a in dp_netdev_process_rxq_port (pmd=pmd@entry=0x1aa6e50
> , rxq=<optimized out>, port=<optimized out>, port=<optimized out>) at lib/dpi
> f-netdev.c:2510
> #2  0x00000000005b55b7 in pmd_thread_main (f_=0x1aa6e50) at lib/dpif-
> netdev.c:2671
> #3  0x000000000060fc84 in ovsthread_wrapper (aux_=<optimiz
> ed out>) at lib/ovs-thread.c:340
> #4  0x00007f8fb9f7bdf5 in start_thread () from /lib64/libpthread.so.0
> #5  0x00007f8fb979f1ad in clone () from /lib64/libc.so.6
> 
> 
> 
> (gdb) p rx
> $3 = (struct netdev_rxq *) 0x7f8f6da02240
> (gdb) p *rx
> Cannot access memory at address 0x7f8f6da02240
> 
> Wang Huaxia ---JD.COM

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