Stop lstopo from hanging in 26.04 (BugFix)#2520
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #2520 +/- ##
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Coverage 58.92% 58.92%
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Files 476 476
Lines 48033 48033
Branches 8575 8575
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Hits 28305 28305
+ Misses 18835 18832 -3
- Partials 893 896 +3
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Pull request overview
This pull request updates the base “info” attachment job that captures hardware topology to avoid lstopo hanging on Ubuntu 26.04 by switching to a non-graphics invocation and disabling the gl hwloc component.
Changes:
- Update the topology attachment command to run
HWLOC_COMPONENTS=-gl lstopo-no-graphicsinstead oflstopo -v.
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Hook25
approved these changes
May 6, 2026
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WARNING: This modifies com.canonical.certification::sru-server
Description
A quick 1-line fix to stop lstopo from hanging forever. The solution comes from here open-mpi/ompi#13838 (comment).
This PR also changes
lstopotolstopo-no-graphicsas discussed in the office hours.Resolved issues
lstopo hanging in 26.04
Documentation
open-mpi/hwloc#517
Tests
Ran
HWLOC_COMPONENTS=-gl lstopo-no-graphicsin 16.04~26.04 and they all successfully finish.https://certification.canonical.com/hardware/201812-26713/submission/486967/