Thanks to everyone, Tom, Joe, Scott, I will be in touch today as I move through this.
Joe - if I need to have you log in for assistance, I am more than happy to make that happen.
From: Joe Conway [mailto:mail(at)joeconway(dot)com]
Sent: Fri 9/23/2011 5:03 PM
To: Burgholzer, Robert (DEQ)
Cc: Scott Marlowe; pgsql-admin(at)postgresql(dot)org
Subject: Re: [ADMIN] diagnosing a db crash - server exit code 2
On 09/23/2011 01:45 PM, Burgholzer, Robert (DEQ) wrote:
> Joe - it appears that it ALWAYS involves pLR - even a simple median call
> has caused it, though I must say it is something that is calculating the
> median of somewhere around 10-20,000 pieces of data if that makes any
> difference. I would be delighted to run any kind of debugging necessary
> and share the info. I have an identical system that can reproduce the
> errors (I am pretty certain that they HAVE previously). What I DON'T
> have is any knowledge of the stack-trace/debugger things, but I'm
> willing to learn, and I have a sysadmin who may be able to lend a hand.
There is some good information about using gdb with postgres here:
If you need a hand, I would be happy to help you through the debugging
via phone or even log in remotely if you can allow it. Just contact me
off-list if you want to pursue that.
Note that I made a new PL/R release just a few weeks ago which fixed
several known crash-bugs. In particular these two pop out at me:
- Fix missing calls to UNPROTECT.
- Don't try to free an array element value when the
array element is NULL
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