Re: latest current fails to boot.

From: Jan Beich <jbeich_at_FreeBSD.org>
Date: Sat, 25 Sep 2021 04:45:44 UTC
Tomoaki AOKI <junchoon@dec.sakura.ne.jp> writes:

> On Wed, 22 Sep 2021 05:47:46 -0700
> David Wolfskill <david@catwhisker.org> wrote:
>
>> On Wed, Sep 22, 2021 at 02:39:37PM +0200, Johan Hendriks wrote:
>> > I did a git pull this morning and it fails to boot.
>> > I hangs at Setting hostid : 0x917bf354
>> > 
>> > This is a vm running on vmware.
>> > If i boot the old kernel from yesterday it boots normally.
>> > 
>> > uname -a
>> > FreeBSD varnish-cdn-node03 14.0-CURRENT FreeBSD 14.0-CURRENT #0 
>> > main-n249518-5572fda3a2f: Tue Sep 21 14:40:22 CEST 2021 
>> > root@varnish-cdn-node03:/usr/obj/usr/src/amd64.amd64/sys/KRNL amd64
>> > ....
>> 
>> I had no issues with my build machine or either of two laptops, either
>> from yesterday:
>> 
>> FreeBSD g1-55.catwhisker.org 14.0-CURRENT FreeBSD 14.0-CURRENT #358
>> main-n249518-5572fda3a2f3: Tue Sep 21 05:15:22 PDT 2021
>> root@g1-55.catwhisker.org:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY
>> amd64 1400033 1400033
>> 
>> or today:
>> 
>> FreeBSD g1-55.catwhisker.org 14.0-CURRENT FreeBSD 14.0-CURRENT #359
>> main-n249556-c96da1994587: Wed Sep 22 04:24:17 PDT 2021
>> root@g1-55.catwhisker.org:/common/S4/obj/usr/src/amd64.amd64/sys/CANARY
>> amd64 1400033 1400033
>> 
>> [uname strings from my main laptop shown, but I keep the machines
>> in sync rather aggressively.]
>> 
>> Perhaps the issue you are encountering involves things not in my
>> environment (such as VMs or ZFS)?
>> 
>> Peace,
>> david
>> -- 
>> David H. Wolfskill                              david@catwhisker.org
>> Life is not intended to be a zero-sum game.
>> 
>> See https://www.catwhisker.org/~david/publickey.gpg for my public key.
>
> For me, on bare metal (non-vm) amd64 with root-on-ZFS,
>
>   Fails to boot to multiuser at git: 8db1669959ce
>   Boot fine at git: 0b79a76f8487
>
> Boot to singleuser is fine even with failed revision.
>
> Failure mode:
>  Hard hangup or spinning and non-operable. Hard power-off needed.
>  Seems to happen after starting rc.conf processing and before setting
>  hostid.

Does "git revert --no-edit -2 8db1669959ce" help? Do you modify
kern.sched.* via /etc/sysctl.conf?