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[bug-diffutils] bug#34519: Test "colors" fails on Debian/ppc64el
From: |
Santiago Vila |
Subject: |
[bug-diffutils] bug#34519: Test "colors" fails on Debian/ppc64el |
Date: |
Mon, 18 Feb 2019 01:57:09 +0100 (CET) |
User-agent: |
Alpine 2.20 (DEB 67 2015-01-07) |
Hello.
I've just uploaded diffutils 3.7 for Debian unstable (hopefully to be
part of Debian 10, since it contains only small fixes).
But there is a problem: The build in the ppc64el autobuilder failed:
https://buildd.debian.org/status/logs.php?pkg=diffutils&ver=1%3A3.7-1&arch=ppc64el
In tests/colors there was a race condition which I tried to fix
by adding a "sleep 1", like this:
mkfifo fifo
printf '%1000000s-a' > a
printf '%1000000s-b' > b
head -c 10 < fifo > /dev/null &
sleep 1
diff --color=always ---presume-output-tty a b > fifo
test $? = 141 || fail=1
It is possible that the "head" command takes (sometimes) more than one second to
complete on ppc64el?
Are there any other places in the test where a race condition could be
happening?
Thanks.
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