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pmcd core dumping

To: PCP Mailing List <pcp@xxxxxxxxxxx>
Subject: pmcd core dumping
From: Ken McDonell <kenj@xxxxxxxxxxxxxxxx>
Date: Wed, 14 Aug 2013 09:24:15 +1000
Delivered-to: pcp@xxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130803 Thunderbird/17.0.8
Here it is.

1. reproducible for me in qa/323 but only if some other tests are run first, 
e.g. a full run and I've made it happen again with with check 101-200 323

2. traceback

Procedure call traceback ...
  0x7fe42c8924a0 [/lib/x86_64-linux-gnu/libc.so.6(+0x364a0) [0x7fe42c8924a0]]
  0x7fe42ce6a904 [/usr/lib/libpcp.so.3(__pmSockAddrGetFamily+0x4) 
[0x7fe42ce6a904]]
  0x7fe42ce55dae [/usr/lib/libpcp.so.3(__pmSockAddrIsLoopBack+0x1e) 
[0x7fe42ce55dae]]
  0x7fe42ce6287f [/usr/lib/libpcp.so.3(+0x4387f) [0x7fe42ce6287f]]
  0x7fe42ce644f8 [/usr/lib/libpcp.so.3(__pmAccAddClient+0x48) [0x7fe42ce644f8]]
  0x7fe42d2b6104 [/usr/lib/pcp/bin/pmcd(ParseRestartAgents+0x884) 
[0x7fe42d2b6104]]
  0x7fe42d2b0494 [/usr/lib/pcp/bin/pmcd(SignalRestart+0x74) [0x7fe42d2b0494]]
  0x7fe42d2b116f [/usr/lib/pcp/bin/pmcd(+0x716f) [0x7fe42d2b116f]]
  0x7fe42d2af9bb [/usr/lib/pcp/bin/pmcd(main+0x5bb) [0x7fe42d2af9bb]]
  0x7fe42c87d76d [/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) 
[0x7fe42c87d76d]]
  0x7fe42d2afb99 [/usr/lib/pcp/bin/pmcd(+0x5b99) [0x7fe42d2afb99]]

Dumping to core ...

Someone else "owns" __pmSockAddrGetFamily so could they please take a look 
and/or provide patched code with additional diagnostics in this part of the 
code (guarded by the DESPERATE debug flag would be good, as this is needed to 
get the traceback dump).

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