Re: Intermittent "make check" failures on hyena - Mailing list pgsql-hackers

From Zdenek Kotala
Subject Re: Intermittent "make check" failures on hyena
Date
Msg-id 44E1D5F5.4050708@sun.com
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In response to Re: Intermittent "make check" failures on hyena  (Andrew Dunstan <andrew@dunslane.net>)
List pgsql-hackers
Andrew Dunstan napsal(a):
> 
> Even at 32 this hardly seems to be a likely cause of the problem. I 
> think the maximum parallelism of our tests is around 20. Anyway, lets's 
> get the patch installed - I have a test regime set up that will 
> reproduce the error moderately reliably within about a dozen or so tries.


I deeply analyzed this problem and it is problem in the local transport 
layer modul - tl driver in the solaris kernel. It is kind of race 
condition and it appears when there are parallel request to close and 
connect. I raised bug. Reconnect should be work around.
    Zdenek


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