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Rash of QA failures

To: PCP <pcp@xxxxxxxxxxx>
Subject: Rash of QA failures
From: Ken McDonell <kenj@xxxxxxxxxxxxxxxx>
Date: Fri, 13 Feb 2015 08:07:25 +1100
Delivered-to: pcp@xxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0
My failure rate went up spectacularly overnight ... is it possible that some 
changes checked in yesterday have broken things?

For example ...

$ pmlc -Dall
...
pmlc> show loggers @vm21
stmt=278, state=0, control=0, hostspec=vm21, pid=-2, port=-2
auxconnect.c:__pmGetAddrInfo(bozo) -> (null)
auxconnect.c:__pmGetAddrInfo(vm21) -> (null)
auxconnect.c:__pmHostEntFree(hostent=0x1f2c0b0) name=(nil) ((null)) 
addresses=0x1f2c330
auxconnect.c:__pmHostEntFree(hostent=0x1f2d0a0) name=(nil) ((null)) 
addresses=0x1f2e4f0
auxconnect.c:__pmGetAddrInfo(bozo) -> (null)
auxconnect.c:__pmGetAddrInfo(vm21) -> (null)
auxconnect.c:__pmHostEntFree(hostent=0x1f2d0a0) name=(nil) ((null)) 
addresses=0x1f2e760
auxconnect.c:__pmHostEntFree(hostent=0x1f2c0b0) name=(nil) ((null)) 
addresses=0x1f2e590
Error finding pmloggers on vm21: Unknown code gvAS 96
pmlc> 


What's this "Unknown code gvAS 96" stuff?

On another system (code from a few days ago), the same operation produces ...

pmlc> show loggers @vm21
stmt=278, state=0, control=0, hostspec=vm21, pid=-2, port=-2
auxconnect.c:__pmGetAddrInfo(vm01) -> (null)
auxconnect.c:__pmGetAddrInfo(vm21) -> (null)
auxconnect.c:__pmHostEntFree(hostent=0x835d068) name=(nil) ((null)) 
addresses=0x835d160
auxconnect.c:__pmHostEntFree(hostent=0x835d1d0) name=(nil) ((null)) 
addresses=0x835e4d8
__pmConnectPMCD: trying __pmAuxConnectPMCDPort(vm21, 44321) ...
auxconnect.c:__pmGetAddrInfo(vm21) -> (null)
__pmSetSocketIPC: fd=3
IPC table fd(PDU version):
__pmDataIPC: fd=3, data=0x835ec10(sz=16)
__pmDataIPC: fd=3, data=0x835ec10(sz=16)
__pmDataIPC: fd=3, data=0x835ec10(sz=16)
auxconnect.c:__pmHostEntFree(hostent=0x835ebb0) name=(nil) ((null)) 
addresses=0x835d938
... (lots of tracing) ...
The following pmloggers are running on vm21:
    primary (16147) 21909

Does this match any place changes have been made recently?  My first guess 
would be the Coverity-driven commits, but that is only a guess.

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