https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285168
Bug ID: 285168
Summary: ULE scheduler starving processes
Product: Base System
Version: 14.2-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: jjant...@gmail.com
I'm running gitlab runner building some software and then launching test suite.
Test suite is based on Python and time-constrained. Every single test execution
is limited to 300s. Test results are not consistent - from time to time few
tests are timed out (some of them are in 'pipdwt' state). I suspect ULE
scheduler starving them.
Hardware spec: 2x Xeon X5690 (maybe too old) + 72GB ECC DDR3. No meaningful
errors in visible dmesg. Suite utilizing all 24 threads (HT).
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