. Thread 3 (process 8249): #0 0xffffe405 in __kernel_vsyscall () #1 0xf78f3f15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib32/libpthread.so.0 #2 0xf6c24728 in ?? () #3 0xf5b0003c in ?? () #4 0xf5b0006c in ?? () #5 0x00000000 in ?? () . Thread 2 (process 8250): #0 0xffffe405 in __kernel_vsyscall () #1 0xf78f6175 in sem_wait@@GLIBC_2.1 () from /lib32/libpthread.so.0 #2 0xf6c2e8d8 in ?? () #3 0xf5b02d70 in ?? () #4 0x00000000 in ?? () . Thread 1 (process 8236): #0 0xf7b1a782 in ?? () #1 0x00000159 in ?? () #2 0x000000c0 in ?? () #3 0x000000d1 in ?? () #4 0xf7b469de in ?? () #5 0x00000001 in ?? () #6 0xf5c08000 in ?? () #7 0xffbd3c88 in ?? () #8 0xf6f7717b in ?? () #9 0xf5c08000 in ?? () #10 0x080dd0e8 in ?? () #11 0x00000001 in ?? () #12 0xf7271e20 in ?? () #13 0xf5c08000 in ?? () #14 0xf45be594 in ?? () #15 0xffbd3c28 in ?? () #16 0xf6b244ce in ?? () #17 0xaaaaaaaa in ?? () #18 0x080aae78 in ?? () #19 0xffbd3c78 in ?? () #20 0xf6e540a9 in ?? () #21 0xf7271e20 in ?? () #22 0xf4569594 in ?? () #23 0xffbd3c88 in ?? () #24 0xf6bfa401 in ?? () #25 0xf5c08000 in ?? () #26 0xffbd3c5c in ?? () #27 0xf5c083d0 in ?? () #28 0x00000000 in ?? ()