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Date:      Sat, 23 Sep 2023 18:13:13 -0700
From:      bob prohaska <fbsd@www.zefox.net>
To:        Mark Millard <marklmi@yahoo.com>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: Shutdown -r under -current hangs on RPi3
Message-ID:  <ZQ%2BNKZuvMwQteoCE@www.zefox.net>
In-Reply-To: <B39FB168-7A0E-4E71-AA90-10D267307975@yahoo.com>
References:  <ZQ8JswF1/LNR899s@www.zefox.net> <0AADDACB-ABA3-47FF-B3A7-05B313F5326C@yahoo.com> <9D29DD48-1572-4C04-AD88-8436AC8DDDCC@yahoo.com> <ZQ85fhHaO3xrfYjK@www.zefox.net> <D384C6AD-4FB0-4130-82E4-B923E1404401@yahoo.com> <ZQ9mFBvBP7rCqj6W@www.zefox.net> <B39FB168-7A0E-4E71-AA90-10D267307975@yahoo.com>

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On Sat, Sep 23, 2023 at 03:51:47PM -0700, Mark Millard wrote:
> 
> # sysctl -Wd debug.bootverbose
> debug.bootverbose: Control the output of verbose kernel messages
> 
> So use of:
> 
> # sysctl debug.bootverbose=1
> 
> before shutdown may be a way of controlling it later, after
> having already booting. This might be handy if one forgot
> to do the the boot -v at boot time.
> 
Ahh, so I was being dense.... sysctl never crossed my mind.

I've added sysctl debug.bootverbose=1 to /etc/sysctl.conf and rebooted.
The reboot completed without complaints about errt, but as it came up
multiuser the console reported:
sysctl: unknown oid 'sysctl debug.bootverbose' at line 11

However, if I type 
sysctl debug.bootverbose=1 while logged in as root I see
root@pelorus:~ # sysctl debug.bootverbose=1
debug.bootverbose: 0 -> 1
root@pelorus:~ #

So, for some reason the command has to be entered interactively,
at least for now.

Rebooting with shutdown -r reported swap device removal.
The errt complaint remained absent.

There's something odd about sysctl debug.bootverbose. For example:

root@pelorus:~ # sysctl -a | grep -i bootverbose
<118>sysctl: unknown oid 'sysctl debug.bootverbose' at line 11
debug.bootverbose: 0
root@pelorus:~ # sysctl debug.bootverbose
debug.bootverbose: 0
root@pelorus:~ # sysctl debug.bootverbose=1
debug.bootverbose: 0 -> 1
root@pelorus:~ # 

Am I committing some invisible (to me) typo?

Thanks for writing!

bob prohaska




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