.
Thread 4 (process 6535):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xf78dff15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib32/libpthread.so.0
#2  0xf6c10728 in ?? ()
#3  0xf5aec03c in ?? ()
#4  0xf5aec06c in ?? ()
#5  0xf59792f8 in ?? ()
#6  0xf6c105ff in ?? ()
#7  0xf5aec0d4 in ?? ()
#8  0x3f800000 in ?? ()
#9  0x00000008 in ?? ()
#10 0xf725de20 in ?? ()
#11 0xf725f888 in ?? ()
#12 0xf5aeb020 in ?? ()
#13 0xf5979338 in ?? ()
#14 0xf6d09dd8 in ?? ()
#15 0xf5aec020 in ?? ()
#16 0xffffffff in ?? ()
#17 0xffdbd368 in ?? ()
#18 0xf5af2560 in ?? ()
#19 0xffdbd37c in ?? ()
#20 0xffdbd38c in ?? ()
#21 0xffdbdac0 in ?? ()
#22 0x000000ad in ?? ()
#23 0xffdbd3a4 in ?? ()
#24 0x00000005 in ?? ()
#25 0xf5aeb028 in ?? ()
#26 0xf725de20 in ?? ()
#27 0xf5aeb02c in ?? ()
#28 0xf5aeb028 in ?? ()
#29 0xf5979358 in ?? ()
#30 0xf6c10a7d in ?? ()
#31 0xf5aeb020 in ?? ()
#32 0xf78eaff4 in ?? () from /lib32/libpthread.so.0
#33 0x00000000 in ?? ()
.
Thread 3 (process 6536):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xf78dff15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib32/libpthread.so.0
#2  0xf6c10728 in ?? ()
#3  0xf5aec10c in ?? ()
#4  0xf5aec13c in ?? ()
#5  0x00000000 in ?? ()
.
Thread 2 (process 6537):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xf78e2175 in sem_wait@@GLIBC_2.1 () from /lib32/libpthread.so.0
#2  0xf6c1a8d8 in ?? ()
#3  0xf5aeed70 in ?? ()
#4  0x00000000 in ?? ()
.
Thread 1 (process 6522):
#0  0xf7aed69b in ?? ()
#1  0x080f6860 in ?? ()
#2  0x00000036 in ?? ()
#3  0x080f68e8 in ?? ()
#4  0x00000001 in ?? ()
#5  0x00000000 in ?? ()