Re: High vm scan rate and dropped keystrokes thru X?

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

> NetBSD 9.2, amd64, 16GiB RAM, quad core + hyperthreading.
> 
> I've repeatedly noticed an issue where a large amount of disk reads can
> result in lost keystrokes, jerky mouse behaviour and other weirdness.
 :
> "vmstat 1" during these events shows climbing runqueue, falling free
> memory, high reclaim rate, very high scan rate, and 8 CPUs worth of
> system time - and I hear the BIOS spinning up the CPU fan.

What "vmstat -m" shows?

if kmem-160 (or kmem-192) has a large number, maybe caused by
radeondrmkms(4) leaks.
 https://mail-index.netbsd.org/netbsd-bugs/2021/07/12/msg072460.html

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Izumi Tsutsui