libxml related crash on git head

From: "Greg Sabino Mullane" <greg(at)turnstep(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: libxml related crash on git head
Date: 2012-04-02 19:31:00
Message-ID: 308f377db12fcaeeba839ddb9147adaa@biglumber.com
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I'm getting HEAD errors on my build farm animal fennec.
I've narrowed it down to this test case:

greg=# CREATE TEMP TABLE boom AS SELECT 'ABC'::bytea;
greg=# SELECT table_to_xml('boom',false,false,'');
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
The connection to the server was lost. Attempting reset: Failed.

Specifically, it's only the bytea data type, with that function. The
boolean arguments do not make a difference. I cannot reproduce this on
other boxes, so I suspect it may be a libxml bug. This server is running
libxml2 version 2.7.2: we require >= 2.6.23. I've tried manually installing
a newer version of libxml, but make fails with:

ld: crtbeginS.o: No such file: No such file or directory
libtool: install: error: relink `libxml2mod.la' with the
above command before installing it

I don't have time/inclination to track down why the make is failing, but
may have some time to run any Postgres-specific tests, if anyone wishes
me to.

- --
Greg Sabino Mullane greg(at)turnstep(dot)com
PGP Key: 0x14964AC8 201204021528
http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8
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