Intermittent v9.18 build fails on Fedora COPR buildsys, always in `netmgr_test` ?
PGNet Dev
pgnet.dev at gmail.com
Mon Aug 29 20:57:10 UTC 2022
I'm building bind9 (v9.18.5, atm) on Fedora's COPR infrastructure.
Building for Fedora 36, 37 & Rawhide, the builds FAIL randomly/intermittently here
For example, with no changes to any source/spec, simply triggering rebuilds, over a period of just a few hours,
Time F36 F37 Rawhide build URL
-------------------- ---- ---- ------- ----------
2022-08-29 15:58 EDT OK FAIL OK https://copr.fedorainfracloud.org/coprs/pgfed/bind/build/4784469/
2022-08-29 14:23 EDT FAIL OK OK https://copr.fedorainfracloud.org/coprs/pgfed/bind/build/4784210/
2022-08-29 11:49 EDT OK OK OK https://copr.fedorainfracloud.org/coprs/pgfed/bind/build/4776394/
I'm trying to get a handle on cause ...
Local builds on my own infrastructure are always successful; the issue's only on COPR.
The FAILs are always in `netmgr_test` unittests ...
looking at netmgr test source, my as-yet-unfounded suspicion is that these timeouts
https://github.com/isc-projects/bind9/blob/v9_18_5/tests/isc/netmgr_test.c#L116
are intermittently hitting limits -- only in COPR/online. perhaps for specific transport?
I also note that -- in main, upstream, 3 days ago -- netmgr tests are being split up, into separate per-transport tests,
https://github.com/isc-projects/bind9/commit/37a1be5acc32244cec03cedc1bd46bc4aa0fbc18
I'm not clear what specific problem is being solved by that split, but imagine that it might well have an effect on builds @ COPR.
I've not been able to get detailed test FAIL logs from COPR builds (local builds do not FAIL). currently, @ #fedora-buildsys, did manage to get a reproducer of the build FAIL; I'm hoping I might get access to those FAIL logs via a manual COPR build.
Anyone here seen similar issues with netmgr, or maybe have a clue?
Fwiw, I've initially filed at RH BZ already:
https://bugzilla.redhat.com/show_bug.cgi?id=2122010
; no response there yet.
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