Call for testing: em(4) TX interrupt mitigation
by from OpenBSD Journal on (#6XCW2)
Are you an OpenBSD user with a low power device such as aPC EnginesAPU2,with one or moreem(4)network interfaces?
Darren Tucker (dtucker@) has a new diff out that may be of use to you,posted in amessageto tech@:
List: openbsd-techSubject: em(4) TX interrupt mitigationFrom: Darren Tucker <dtucker () dtucker ! net>Date: 2025-05-19 8:52:13Hi.TL;DR: if you use em(4), particularly on a low-power device such as apcengines APU2, please try this diff.The em(4) driver has 5 interrupt mitigation timers[0].