Re: Unresolved error 0xC0000409 on Windows Server

From: Merlin Moncure <mmoncure(at)gmail(dot)com>
To: Noah Misch <noah(at)leadboat(dot)com>
Cc: Matthew Gerber <gerber(dot)matthew(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Unresolved error 0xC0000409 on Windows Server
Date: 2012-11-05 14:15:52
Message-ID: CAHyXU0xNNy67rBxvz7F1hOB4fiTBNOsbFDAYet52faYe2P5pAA@mail.gmail.com
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On Fri, Nov 2, 2012 at 8:00 PM, Noah Misch <noah(at)leadboat(dot)com> wrote:
>> hm, several times over the last couple of months (both on postgres 9.1
>> and 9.2), i've seen a similar crash, but on linux. It hits the log
>> like this:
>>
>> Execution halted (~ 200x)
>> Error: segfault from C stack overflow
>> Execution halted (~ 30x)
>> LOG: server process (PID 19882) was terminated by signal 11: Segmentation fault
>> LOG: terminating any other active server processes
>
>> note the lack of LOG in 'Execution halted', etc. This has happened
>> several times, on different servers using different workloads (but
>> always under load). As of yet, I've been unable to get a core but I
>> hope to get one next time it happens. I wonder if it's a similar
>> cause?
>
> Google suggests those unadorned messages originate in R. Do the affected
> systems use PL/R? If so ...

yes -- they do. I was pretty certain that no R code was running at
the time of the crash but not 100% sure. That's a big clue -- thanks.
Investigating...

merlin

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