Re: 45 second autoconfig delay
Manuel Bouyer <[email protected]>
| Newsgroups | gmane.os.netbsd.devel.kernel |
|---|---|
| Message-ID | <[email protected]> |
On Mon, Dec 02, 2024 at 10:57:40PM -0000, Michael van Elst wrote: > [email protected] (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 <[email protected]> NetBSD: 26 ans d'experience feront toujours la difference --