Date: Mon, 25 Nov 2002 05:51:43 -0800 (PST) From: David Wolfskill <david@catwhisker.org> To: current@FreeBSD.ORG, ijliao@FreeBSD.ORG Cc: ijliao@csie.nctu.edu.tw Subject: Re: installworld fail Message-ID: <200211251351.gAPDphjQ024172@bunrab.catwhisker.org> In-Reply-To: <20021125110428.GB82817@terry.dragon2.net>
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>Date: Mon, 25 Nov 2002 19:04:28 +0800
>From: Ying-Chieh Liao <ijliao@FreeBSD.ORG>
>On Fri, Nov 22, 2002 at 00:06:59 +0800, Ying-Chieh Liao wrote:
>> I'm in DP2, and cvsup and then make world...
>> <error messages>
>> if [ -L /usr/share/examples/sunrpc ]; then rm -f /usr/share/examples/sunrpc; fi
>> if [ -L /usr/share/examples/worm ]; then rm -f /usr/share/examples/worm; fi
>> mtree -deU -f /usr/src/share/examples/../../etc/mtree/BSD.usr.dist -p /usr
>> /tmp/install.UiNprj9F/mtree: 1: Syntax error: "(" unexpected
>maybe there's something wrong with mfs...
>error occurs when I mount tmp as a mfs
>and after I switch tmp to a "real harddisk", it's all ok
Yes (well, it's an "md" device in -CURRENT); I reported this to
-current on 12 November.
I have since done some additional experiments:
* The failure always appears to be associated with corruption of an
executable image; "file" reports "data" (vs. "... executable ...").
* I have never seen the failure on my SMP machine; I always (since
around 09 Nov) see it on my (UP) laptop (unless I run a script in
parallel with the installworld).
* The failure is independent of single- or multi-user mode.
As alluded to above, if I run a script that periodically looks at each
of the files in the directory in question, that seems to avoid the
corruption/symptoms. I'll append a copy of the script I've used most
recently after my .sig; you may find it of interest to try running it in
parallel with the installworld if you see the behavior in question.
Cheers,
david (links to my resume at http://www.catwhisker.org/~david)
--
David H. Wolfskill david@catwhisker.org
I have no confidence in results obtained through the use of Microsoft products.
#! /bin/sh
until (test -d /tmp/install.*)
do
sleep 10
done
until (file /tmp/install.*/* | grep data)
do
sleep 3
if [ ! -d /tmp/install.* ]; then
exit 0
fi
done
echo "/tmp/install.* trashed at `date`"
exit 1
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