Subject: bug#22129: closed (Re: bug#22129: python-matplotlib: Non-deterministic build failures on armhf)

From: [email-masked] (GNU bug Tracking System)
Date: Fri, 20 Nov 2020 15:08:03 +0000

Your bug report

#22129: python-matplotlib: Non-deterministic build failures on armhf

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to [email-masked].

-- 
22129: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=22129
GNU Bug Tracking System
Contact [email-masked] with problems

Subject: Re: bug#22129: python-matplotlib: Non-deterministic build failures on armhf
From: Maxim Cournoyer <[email-masked]>
To: Mark H Weaver <[email-masked]>
Cc: [email-masked]
Date: Fri, 20 Nov 2020 10:07:10 -0500
List-Id: <debbugs-submit.debbugs.gnu.org>

Hello Mark,

Mark H Weaver <[email-masked]> writes:

> Over the last month, the 'python-matplotlib' build on armhf has failed
> non-deterministically 4 times due to timeout (1 hour of silence) in the
> same place:
>
> phase `install' succeeded after 71.4 seconds
> starting phase `install-doc'
> Running Sphinx v1.2.3
> Initializing GitHub plugin
> loading pickled environment... failed: [Errno 2] No such file or directory: '/tmp/nix-build-python-matplotlib-1.4.3.drv-0/matplotlib-1.4.3/doc/build/doctrees/environment.pickle'
> [autosummary] generating autosummary for: api/afm_api.rst, api/animation_api.rst, api/api_changes.rst, api/artist_api.rst, api/axes_api.rst, api/axis_api.rst, api/backend_bases_api.rst, api/backend_gtkagg_api.rst, api/backend_pdf_api.rst, api/backend_qt4agg_api.rst, ..., users/recipes.rst, users/screenshots.rst, users/shell.rst, users/style_sheets.rst, users/text_intro.rst, users/text_props.rst, users/tight_layout_guide.rst, users/transforms_tutorial.rst, users/usetex.rst, users/whats_new.rst
> Failed to import 'matplotlib.backends.backend_wxagg': no module named matplotlib.backends.backend_wxagg
> Failed to import 'matplotlib.backends.backend_qt4agg': no module named matplotlib.backends.backend_qt4agg
> animation, api, axes_grid, color, event_handling, images_contours_and_fields, lines_bars_and_markers, misc, mplot3d, pie_and_polar_charts, pylab_examples, shapes_and_collections, showcase, specialty_plots, statistics, style_sheets, subplots_axes_and_figures, tests, text_labels_and_annotations, ticks_and_spines, units, user_interfaces, widgets, 
> building [html]: targets for 127 source files that are out of date
> updating environment: 607 added, 0 changed, 0 removed
> reading sources... [  0%] api/afm_api
> reading sources... [  0%] api/animation_api
> reading sources... [  0%] api/api_changes
> reading sources... [  0%] api/artist_api
> reading sources... [  0%] api/axes_api
> reading sources... [  0%] api/axis_api
> reading sources... [  1%] api/backend_bases_api
> reading sources... [  1%] api/backend_gtkagg_api
> reading sources... [  1%] api/backend_pdf_api
> reading sources... [  1%] api/backend_qt4agg_api
> reading sources... [  1%] api/backend_wxagg_api
> reading sources... [  1%] api/cbook_api
> reading sources... [  2%] api/cm_api
> reading sources... [  2%] api/collections_api
> building of `/gnu/store/0hm09h6a4469z3j2r3p7cm6jiwidm3ff-python-matplotlib-1.4.3.drv' timed out after 3600 seconds of silence
> @ build-failed /gnu/store/0hm09h6a4469z3j2r3p7cm6jiwidm3ff-python-matplotlib-1.4.3.drv - timeout
> guix build: error: build failed: build of `/gnu/store/0hm09h6a4469z3j2r3p7cm6jiwidm3ff-python-matplotlib-1.4.3.drv' failed
>
> In all four cases, the timeout occurred in the same place, after
> printing "reading sources... [ 2%] api/collections_api".
>
> The same builds succeeded on later attempts, e.g.:
>
>   http://hydra.gnu.org:3000/build/864760#tabs-buildsteps
>
>       Mark

I've made a couple Python reproducibility enhancements on the
core-updates branch (commits c94a2864d4 and cf495c934e), which allowed
python-matplotlib to be built reproducibly.

The CI doesn't know of any recent failure for the package on armhf-linux
(see:
http://ci.guix.gnu.org/search?query=python-matplotlib%20system:armhf-linux&border-low-id=2144656).

Closing.

Thank you for the report!

Maxim

Subject: python-matplotlib: Non-deterministic build failures on armhf
From: Mark H Weaver <[email-masked]>
To: [email-masked]
Date: Wed, 09 Dec 2015 10:38:55 -0500
List-Id: <debbugs-submit.debbugs.gnu.org>

Over the last month, the 'python-matplotlib' build on armhf has failed
non-deterministically 4 times due to timeout (1 hour of silence) in the
same place:

--8<---------------cut here---------------start------------->8---
phase `install' succeeded after 71.4 seconds
starting phase `install-doc'
Running Sphinx v1.2.3
Initializing GitHub plugin
loading pickled environment... failed: [Errno 2] No such file or directory: '/tmp/nix-build-python-matplotlib-1.4.3.drv-0/matplotlib-1.4.3/doc/build/doctrees/environment.pickle'
[autosummary] generating autosummary for: api/afm_api.rst, api/animation_api.rst, api/api_changes.rst, api/artist_api.rst, api/axes_api.rst, api/axis_api.rst, api/backend_bases_api.rst, api/backend_gtkagg_api.rst, api/backend_pdf_api.rst, api/backend_qt4agg_api.rst, ..., users/recipes.rst, users/screenshots.rst, users/shell.rst, users/style_sheets.rst, users/text_intro.rst, users/text_props.rst, users/tight_layout_guide.rst, users/transforms_tutorial.rst, users/usetex.rst, users/whats_new.rst
Failed to import 'matplotlib.backends.backend_wxagg': no module named matplotlib.backends.backend_wxagg
Failed to import 'matplotlib.backends.backend_qt4agg': no module named matplotlib.backends.backend_qt4agg
animation, api, axes_grid, color, event_handling, images_contours_and_fields, lines_bars_and_markers, misc, mplot3d, pie_and_polar_charts, pylab_examples, shapes_and_collections, showcase, specialty_plots, statistics, style_sheets, subplots_axes_and_figures, tests, text_labels_and_annotations, ticks_and_spines, units, user_interfaces, widgets, 
building [html]: targets for 127 source files that are out of date
updating environment: 607 added, 0 changed, 0 removed
reading sources... [  0%] api/afm_api
reading sources... [  0%] api/animation_api
reading sources... [  0%] api/api_changes
reading sources... [  0%] api/artist_api
reading sources... [  0%] api/axes_api
reading sources... [  0%] api/axis_api
reading sources... [  1%] api/backend_bases_api
reading sources... [  1%] api/backend_gtkagg_api
reading sources... [  1%] api/backend_pdf_api
reading sources... [  1%] api/backend_qt4agg_api
reading sources... [  1%] api/backend_wxagg_api
reading sources... [  1%] api/cbook_api
reading sources... [  2%] api/cm_api
reading sources... [  2%] api/collections_api
building of `/gnu/store/0hm09h6a4469z3j2r3p7cm6jiwidm3ff-python-matplotlib-1.4.3.drv' timed out after 3600 seconds of silence
@ build-failed /gnu/store/0hm09h6a4469z3j2r3p7cm6jiwidm3ff-python-matplotlib-1.4.3.drv - timeout
guix build: error: build failed: build of `/gnu/store/0hm09h6a4469z3j2r3p7cm6jiwidm3ff-python-matplotlib-1.4.3.drv' failed
--8<---------------cut here---------------end--------------->8---

In all four cases, the timeout occurred in the same place, after
printing "reading sources... [ 2%] api/collections_api".

The same builds succeeded on later attempts, e.g.:

  http://hydra.gnu.org:3000/build/864760#tabs-buildsteps

      Mark