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Re: BUG #6425: Bus error in slot_deform_tuple

From: Duncan Rance <postgres(at)dunquino(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #6425: Bus error in slot_deform_tuple
Date: 2012-02-01 22:37:32
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Lists: pgsql-bugspgsql-hackers
On 1 Feb 2012, at 21:43, Tom Lane wrote:
>> Client 87 aborted in state 8: ERROR:  wrong hoff: 134
> Yowza.  Is this just the standard pgbench test, or something else?

This is pgbench with a custom script (-f option.)

> If you could post complete instructions for duplicating this, we
> could probably find the cause fairly quickly.

I'd love to, really I would! If I did, the instructions would be War & Peace length :)

I've been on this for over a week now, and much of that has been trying to simplify the test case. I have a lot more to go on now though so I may make more progress with that soon. (Although it's 10:30pm so I'm calling it a day!)

>> What I don't get is why this is causing the client to abort, and not the backend.
> As Alvaro said, it's not reaching the abort().  You should use PANIC
> instead.

Yes thanks, and to Álvaro too. I changed it to PANIC and I now have many many core files to choose from!


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