[ovs-discuss] ovs-vswitchd segfault when sflow sampling rate = 10

[정현진]

I’m Using Openvswitch 1.10.0.

When sFlow sampling Rate is set 100, ovs-vswitchd happened segfault.

Here coredump’s backtrace output.

 

Reading symbols from /lib64/ld-linux-x86-64.so.2...
warning: the debug information found in "/usr/lib/debug//lib64/ld-
2.12.so.debug" does not match "/lib64/ld-linux-x86-64.so.2" (CRC mismatch).

warning: the debug information found in "/usr/lib/debug/lib64/ld-
2.12.so.debug" does not match "/lib64/ld-linux-x86-64.so.2" (CRC mismatch).

(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Core was generated by `ovs-vswitchd unix:/var/run/openvswitch/db.sock -
vconsole:emer -vsyslog:err -vfi'.
Program terminated with signal 11, Segmentation fault.
#0 0x00000000004a78e3 in do_lookup_genl_family (name=0x7fff7f5e4c60
"`H^\177\377\177", attrs=0x7fff7f5d3fa0, replyp=0x7fff7f5e3fa0) at
lib/netlink-socket.c:1005
1005 lib/netlink-socket.c: No such file or directory.
in lib/netlink-socket.c
Missing separate debuginfos, use: debuginfo-install glibc-2.12-
1.107.el6.x86_64
(gdb) bt
#0 0x00000000004a78e3 in do_lookup_genl_family (name=0x7fff7f5e4c60
"`H^\177\377\177", attrs=0x7fff7f5d3fa0, replyp=0x7fff7f5e3fa0) at
lib/netlink-socket.c:1005
Cannot access memory at address 0x7fff7f5d4028
(gdb)

Can you help me?

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