[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[STINNER Victor]

STINNER Victor  added the comment:

I created a new job to no longer run xvfb-run twice. Let's see if it works 
around the issue. At least, it should make Travis CI a little bit faster.

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[STINNER Victor]

STINNER Victor  added the comment:


New changeset a22df4896f6b83c8741203118790ae281716bca5 by Victor Stinner in 
branch 'master':
bpo-35240: Add "doctest" job to Travis CI (GH-10753)
https://github.com/python/cpython/commit/a22df4896f6b83c8741203118790ae281716bca5


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[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[STINNER Victor]

Change by STINNER Victor :


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[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[STINNER Victor]

STINNER Victor  added the comment:

"make doctest" has been added by commit 
859c068e52a31e13e2b9bb6a3f861fa8c290cb0e of bpo-34962.

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[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[STINNER Victor]

Change by STINNER Victor :


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pull_requests: +1
stage:  -> patch review

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[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[STINNER Victor]

STINNER Victor  added the comment:

Same error: https://travis-ci.org/python/cpython/jobs/459983088

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[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[Karthikeyan Singaravelan]

Karthikeyan Singaravelan  added the comment:

Found a relevant issue but 3 years old : 
https://github.com/travis-ci/travis-ci/issues/4387#issuecomment-125635027

Doc PR : https://github.com/travis-ci/docs-travis-ci-com/pull/311 . The docs 
recommend usage of -a to select a free port.

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[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[Pablo Galindo Salgado]

Pablo Galindo Salgado  added the comment:

xvfb is a utility that allows you to run a command in a virtual X server 
environment. I assume that is needed for the doctests that use the X server. I 
assume is related to PR9806

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[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[STINNER Victor]

Change by STINNER Victor :


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[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[STINNER Victor]

STINNER Victor  added the comment:

Extract of .travis.yml:

$XVFB_RUN make buildbottest TESTOPTS="-j4 -uall,-cpu"
if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
  $XVFB_RUN make PYTHON=../python SPHINXOPTS="-q -W -j4" -C Doc/ venv 
doctest
fi

I'm not sure what is xvfb, nor why it's needed to run doctests...

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[issue35240] Travis CI: xvfb-run: error: Xvfb failed to start

[STINNER Victor]

New submission from STINNER Victor :

Travis CI fails randomly with "xvfb-run: error: Xvfb failed to start". Example:
https://travis-ci.org/python/cpython/jobs/454776965

whereas the full test suite succeeded.

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messages: 329881
nosy: vstinner
priority: normal
severity: normal
status: open
title: Travis CI: xvfb-run: error: Xvfb failed to start

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