sivy/py-statsd — Issue #45: py-statsd hangs in FUTEX_WAIT
Author: LarsFronius
Created: 2012-02-01 10:59:29+00:00
State: open

```
root@metrics01-eu:~# strace -p 2934
Process 2934 attached - interrupt to quit
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
futex(0x7f41e40174b0, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
```

```
.
Attaching to process 2934
Reading symbols from /usr/bin/python2.6...(no debugging symbols found)...done.

warning: .dynamic section for "/lib/libc.so.6" is not at the expected address (wrong library or version mismatch?)

warning: .dynamic section for "/lib/libnss_files.so.2" is not at the expected address (wrong library or version mismatch?)
Reading symbols from /lib/libpthread.so.0...(no debugging symbols found)...done.

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done.

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libutil.so.1...(no debugging symbols found)...done.

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Loaded symbols for /lib/libutil.so.1
Reading symbols from /usr/lib/libssl.so.0.9.8...(no debugging symbols found)...done.

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Loaded symbols for /usr/lib/libssl.so.0.9.8
Reading symbols from /usr/lib/libcrypto.so.0.9.8...(no debugging symbols found)...done.

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Loaded symbols for /usr/lib/libcrypto.so.0.9.8
Reading symbols from /usr/lib/libz.so.1...(no debugging symbols found)...done.

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /lib/libm.so.6...(no debugging symbols found)...done.

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done.

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /lib/libnss_files.so.2...(no debugging symbols found)...done.

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
Loaded symbols for /lib/libnss_files.so.2

warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
0x00007f41ec9c6330 in sem_unlink () from /lib/libpthread.so.0
(gdb) bt
```