On Mon, Apr 29, 2019 at 02:10:26AM +0200, Krystian Lewandowski wrote: > I did use kern.bufcachepercent=90 before. I think I copied it blindly > from some blog post about OpenBSD on a laptop. No problems observed > for now with "iwm" since 20% value in use.
The problem does not affect all machines. As far as I understand, it is related to how much physical memory can be used for DMA, and this varies between machines.
