On 19.07.2018 8:39, Kevin Bowling wrote: > This sounds like a known quirk of the Atom CPU architecture and iflib > -- can you try this patch https://reviews.freebsd.org/D16302 it should > help specifically on your hardware. Looks like, this patch on r336474 with default sysctl setting:
dev.em.1.iflib.tx_abdicate: 0
dev.em.0.iflib.tx_abdicate: 0
makes worse, not better (100% CPU load by `kernel{if_io_tqg_X}' even
under very light traffic load).
--
// Lev Serebryakov
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