I have 4 Odroid C2s and they are failing most of their WUs after less than 2 seconds, with the following:

<core_client_version>7.4.23</core_client_version>
<![CDATA[
<message>
process exited with code 193 (0xc1, -63)
</message>
<stderr_txt>
terminate called after throwing an instance of 'std::bad_alloc'
  what():  std::bad_alloc
SIGABRT: abort called
Stack trace (14 frames):
[0x43174c]
linux-vdso.so.1(__kernel_rt_sigreturn+0x0)[0x7f92fc0510]
[0x45152c]
[0x50e2fc]
[0x4e0128]
[0x457f44]
[0x457f90]
[0x456808]
[0x457f34]
[0x4531c0]
[0x418114]
[0x404e48]
[0x5069b8]
[0x422060]

Exiting...

</stderr_txt>
]]>

You'll need a 2 GB swap file for current work units.