.
Thread 6 (LWP 4831):
#0  0x00007f2cf14343dd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 5 (LWP 4782):
#0  0x00007f2cf14343dd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (LWP 4799):
#0  0x00007f2cf171a03e in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (LWP 4881):
#0  0x00007f2cf14343dd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (LWP 4796):
#0  0x00007f2cf14343dd in ?? ()
No symbol table info available.
#1  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (LWP 4764):
#0  0x00007f2cf3bd6cf0 in ?? ()
No symbol table info available.
#1  0x00000000020a7e00 in ?? ()
No symbol table info available.
#2  0x00000000020a7e00 in ?? ()
No symbol table info available.
#3  0x0000000000000003 in ?? ()
No symbol table info available.
#4  0x00007f2cf219ad95 in ?? ()
No symbol table info available.
#5  0x0000000002088110 in ?? ()
No symbol table info available.
#6  0x00007f2cf3b823fe in ?? ()
No symbol table info available.
#7  0x4038000000000000 in ?? ()
No symbol table info available.
#8  0x00000000020baee0 in ?? ()
No symbol table info available.
#9  0x00000000020a7e00 in ?? ()
No symbol table info available.
#10 0x000000000209d1f0 in ?? ()
No symbol table info available.
#11 0x0000000300000005 in ?? ()
No symbol table info available.
#12 0x0000001200000078 in ?? ()
No symbol table info available.
#13 0x00000000023ab4b0 in ?? ()
No symbol table info available.
#14 0x00007fff1f815980 in ?? ()
No symbol table info available.
#15 0x00007fff1f815700 in ?? ()
No symbol table info available.
#16 0x00007fff1f8152f0 in ?? ()
No symbol table info available.
#17 0x00007f2cf24822c0 in ?? ()
No symbol table info available.
#18 0x00000000020f4810 in ?? ()
No symbol table info available.
#19 0x00000000023dcec0 in ?? ()
No symbol table info available.
#20 0x00007f2cf21f6d3c in ?? ()
No symbol table info available.
#21 0x0000000002079260 in ?? ()
No symbol table info available.
#22 0x00000000020a7e00 in ?? ()
No symbol table info available.
#23 0x00000000020063a0 in ?? ()
No symbol table info available.
#24 0x0000000000000001 in ?? ()
No symbol table info available.
#25 0x0000000000000010 in ?? ()
No symbol table info available.
#26 0x00007f2cf271e7f9 in ?? ()
No symbol table info available.
#27 0x4060400000000000 in ?? ()
No symbol table info available.
#28 0x00007f2cf29c8b4d in ?? ()
No symbol table info available.
#29 0x0000000002079150 in ?? ()
No symbol table info available.
#30 0x00000000020063a0 in ?? ()
No symbol table info available.
#31 0x00000000020063a0 in ?? ()
No symbol table info available.
#32 0x0000000000000000 in ?? ()
No symbol table info available.