Date: Thu, 25 Oct 2018 15:13:36 +0200 From: "Ronald Klop" <ronald@klop.ws> To: freebsd-arm@freebsd.org, "FreeBSD Current" <freebsd-current@freebsd.org>, freebsd-fs@freebsd.org Subject: tmpfs corrupt file (aarch64/12.0-ALPHA5) Message-ID: <op.zrfy0yxceclrs1@sjakie>
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Hello,
I'm running this small script which generates changelog file in gzipped
JSON format.
TMPDIR=/var/tmp
START=1
END=$(( $START + $STEP - 1 ))
while test $START -lt 300000
do
svnlite log --xml -r $START:$END -v ~/src/freebsd-base >
$TMPDIR/bla.xml
bin/xml2json.py > $TMPDIR/commits.$START-$END.json
gzip -f $TMPDIR/commits.$START-$END.json
START=$(( $START + $STEP ))
END=$(( $START + $STEP - 1 ))
done
So $TMPDIR/bla.xml is overwritten every iteration.
Well:
- If $TMPDIR=/var/tmp which is on UFS the script works.
- If %TMPDIR=/tmp which is tmpfs the xml2json.py script very often gives
errors about the XML structure of bla.xml like if the file is truncated or
empty.
So it looks like something is happening on tmpfs that the data is not yet
'synced'. Can this be a threading/cpu-cache issue on aarch64?
This is on an RPI3B+.
FreeBSD rpi3 12.0-ALPHA5 FreeBSD 12.0-ALPHA5 #5 r338616: Wed Sep 12
22:23:05 CEST 2018
builder@rpi3:/data/src/obj-head/data/src/head/arm64.aarch64/sys/GENERIC-NODEBUG
arm64
Can I do more testing or provide more information before creating a PR
about this?
Regards,
Ronald.
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