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Bug#989749: kore: flaky amd64 autopkgtest: regularly times out after 2:47 h



Source: kore
Version: 4.0.1-5
Severity: serious
Tags: bulleye-ignore
X-Debbugs-CC: debian-ci@lists.debian.org
User: debian-ci@lists.debian.org
Usertags: flaky timeout

Dear maintainer(s),

Your package has an autopkgtest, great. However, I looked into
the history of your autopkgtest [1] and I noticed it fails regularly on
amd64. I copied some of the output at the bottom of this report. It hits
the autopkgtest time out after 2hours and 47 minutes. Successful runs
pass in a couple of minutes. Weirdly enough, all the failures where the
timeout happened is ci-worker13, which is our most powerful host, and as
such we run 8 parallel debci instances there. The same host also sees
successful runs. Do you have any idea what in the kore test could be
hanging?

Because the unstable-to-testing migration software now blocks on
regressions in testing, flaky tests, i.e. tests that flip between
passing and failing without changes to the list of installed packages,
are causing people unrelated to your package to spend time on these
tests.

Don't hesitate to reach out if you need help and some more information
from our infrastructure.

Paul

[Release team member hat on: as we are so late in the freeze, I don't
want this bug to kick kore out of bulleye, although I still appreciate a
fix or work around. Hence, the bulleye-ignore tag.]

[1] https://ci.debian.net/packages/k/kore/testing/amd64/

https://ci.debian.net/data/autopkgtest/testing/amd64/k/kore/12824802/log.gz

autopkgtest [22:19:09]: test myapp: [-----------------------
created myapp/src/myapp.c
created myapp/conf/myapp.conf
created myapp/conf/build.conf
created myapp/.gitignore
created dh2048.pem
myapp created successfully!
WARNING: DO NOT USE THE GENERATED DH PARAMETERS AND CERTIFICATES IN
PRODUCTION
active flavor	 dev
output type  	 dso
kore binary  	 /usr/bin/kore
kore features	 -DKORE_USE_PGSQL -DKORE_USE_TASKS -I/usr/include/postgresql
autopkgtest [01:05:50]: ERROR: timed out on command "su -s /bin/bash
debci -c set -e; export USER=`id -nu`; . /etc/profile >/dev/null 2>&1 ||
true;  . ~/.profile >/dev/null 2>&1 || true;
buildtree="/tmp/autopkgtest-lxc.4kfgq6b2/downtmp/build.2hy/src"; mkdir
-p -m 1777 -- "/tmp/autopkgtest-lxc.4kfgq6b2/downtmp/myapp-artifacts";
export
AUTOPKGTEST_ARTIFACTS="/tmp/autopkgtest-lxc.4kfgq6b2/downtmp/myapp-artifacts";
export ADT_ARTIFACTS="$AUTOPKGTEST_ARTIFACTS"; mkdir -p -m 755
"/tmp/autopkgtest-lxc.4kfgq6b2/downtmp/autopkgtest_tmp"; export
AUTOPKGTEST_TMP="/tmp/autopkgtest-lxc.4kfgq6b2/downtmp/autopkgtest_tmp";
export ADTTMP="$AUTOPKGTEST_TMP"; export DEBIAN_FRONTEND=noninteractive;
export LANG=C.UTF-8; export DEB_BUILD_OPTIONS=parallel=48; unset
LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE   LC_MONETARY
LC_MESSAGES LC_PAPER LC_NAME LC_ADDRESS   LC_TELEPHONE LC_MEASUREMENT
LC_IDENTIFICATION LC_ALL;rm -f /tmp/autopkgtest_script_pid; set -C; echo
$$ > /tmp/autopkgtest_script_pid; set +C; trap "rm -f
/tmp/autopkgtest_script_pid" EXIT INT QUIT PIPE; cd "$buildtree"; chmod
+x
/tmp/autopkgtest-lxc.4kfgq6b2/downtmp/build.2hy/src/debian/tests/myapp;
touch /tmp/autopkgtest-lxc.4kfgq6b2/downtmp/myapp-stdout
/tmp/autopkgtest-lxc.4kfgq6b2/downtmp/myapp-stderr;
/tmp/autopkgtest-lxc.4kfgq6b2/downtmp/build.2hy/src/debian/tests/myapp
2> >(tee -a /tmp/autopkgtest-lxc.4kfgq6b2/downtmp/myapp-stderr >&2) >
>(tee -a /tmp/autopkgtest-lxc.4kfgq6b2/downtmp/myapp-stdout);" (kind: test)
autopkgtest [01:05:51]: test myapp: -----------------------]

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