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sage: aarch64 debug (please ignore) #183493

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@collares collares commented Jul 28, 2022

Description of changes

Sage tests are timing out 100% of the time on ofBorg aarch64. I am running some tests on this PR to find out why. The first time this happened was in June 25th (#178895, but at the time I thought it was an intermittent timeout caused by Giac). It was fine on May 27th (#175044)

Things that were tested here (in isolation) and didn't cause it:

  • Cython 0.29.30 (tried by backing out its update along with NumPy 1.23.1 and Pandas 1.4.3).
  • Singular 4.3.1
  • flint 2.9.0
  • arb 2.23.0
  • Python 3.10.X
  • Python 3.9.13
  • Using 80 testing threads (I may be misremembering, but I think it used 64 threads in the past and now it uses 80).

Something is deadlocking a bunch of threads, though, and I can't figure out what it is. ofBorg stack traces of the deadlock are here.

Update: Filed https://trac.sagemath.org/ticket/34297.

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collares commented Jul 29, 2022

(moved to PR description)

markuskowa and others added 2 commits July 31, 2022 21:18
nixos/tests/systemd-machinectl: Fix resolved and UID shift check
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