Re: 45 second autoconfig delay

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, Dec 02, 2024 at 10:57:40PM -0000, Michael van Elst wrote:
> ef%math.uni-bonn.de@localhost (Edgar =?iso-8859-1?B?RnXf?=) writes:
> 
> >With a -10 kernel, I experience a >45s delay during boot at
> >[   4.7185738] wsmouse0 at ums0 mux 0
> >[  51.1886454] ipmi0: version 32.0 interface KCS iobase 0xca8/0x8 spacing 4
> >How can I track down what causes this delay?
> 
> The delay comes from the slow "KCS" (keyboard controller) interface.
> 
> This is done asynchronously, but netbsd-9 will still wait for all
> autoconfig operations before continuing the boot. In netbsd-10
> it no longer waits for ipmi to finish attachment (but may do so
> at shutdown if that occurs very early).

I think it still does, at last I'm seeing it on my servers.

If I remember properly this was reintroduced so that the watchdog is available
early.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--