On Wed, May 08, 2019 at 02:22:32PM -0400, Brent Cook wrote: > I have been poking at this with a similar 2011 Mac Mini. It seems to be > caused by the sdhc/sdmmc device: > > sdhc0 at pci9 dev 0 function 1 "Broadcom SD Host Controller" rev 0x10: apic > 2 int 17 > sdhc0: SDHC 3.0, 200 MHz base clock > sdmmc0 at sdhc0: 8-bit, sd high-speed, mmc high-speed, dma > > There doesn't seem to be a recorded interrupt stat in vmstat that accounts > for it, but I found that disabling sdmmc/sdhc in ukc frees up the CPU. I am > poking at the interrupt handler to see which status is triggered when, if > that ends up being the root problem (have a hunch on the insert/remove > event never stopping). > > On Wed, Jul 4, 2018 at 2:52 AM <[email protected]> wrote: > > > >Synopsis: 2012 Mac Mini shows ~50% intr in CPU thread 0 > > >Category: system > > >Environment: > > System : OpenBSD 6.3 > > Details : OpenBSD 6.3-current (GENERIC.MP) #83: Mon Jul 2 > > 10:36:36 MDT 2018 > > [email protected]: > > /usr/src/sys/arch/amd64/compile/GENERIC.MP > > > > Architecture: OpenBSD.amd64 > > Machine : amd64
You reply to a 9 months old bug report using a now obsolete release, about a problem you see on another arch, without sending even a dmesg output.
