Digging into it more it looks like the retracer processes are leaking memory.
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 10838 root 20 0 154740 33280 6100 S 0.0 0.8 0:44.51 retracer.py 9771 root 20 0 154812 32960 6108 S 0.0 0.8 0:18.53 retracer.py 8355 root 20 0 92584 21316 4532 S 0.0 0.5 0:00.20 retracer.py 10413 root 20 0 92580 21316 4532 S 0.0 0.5 0:00.20 retracer.py
10838 and 9771 are i386 and amd64 retracers which having been retracing crashes while the other two processes have not.
Digging into it more it looks like the retracer processes are leaking memory.
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
10838 root 20 0 154740 33280 6100 S 0.0 0.8 0:44.51 retracer.py
9771 root 20 0 154812 32960 6108 S 0.0 0.8 0:18.53 retracer.py
8355 root 20 0 92584 21316 4532 S 0.0 0.5 0:00.20 retracer.py
10413 root 20 0 92580 21316 4532 S 0.0 0.5 0:00.20 retracer.py
10838 and 9771 are i386 and amd64 retracers which having been retracing crashes while the other two processes have not.