Date: Mon, 26 Jun 2023 04:55:25 +0100 From: Graham Perrin <grahamperrin@freebsd.org> To: David Wolfskill <david@catwhisker.org> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: debug.verbose_sysinit=1 and kern.msgbufsize=196608 Message-ID: <c50f20b3-5455-b694-aa39-abab000af58f@freebsd.org> In-Reply-To: <ZJikb2b-WJfXfJpy@albert.catwhisker.org> References: <e09fdaf8-7ae3-9cf5-ebf3-8a10fcdbe5d0@freebsd.org> <ZJikb2b-WJfXfJpy@albert.catwhisker.org>
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From: Graham Perrin <grahamperrin@freebsd.org>
To: David Wolfskill <david@catwhisker.org>
Cc: FreeBSD CURRENT <freebsd-current@freebsd.org>
Message-ID: <c50f20b3-5455-b694-aa39-abab000af58f@freebsd.org>
Subject: debug.verbose_sysinit=1 and kern.msgbufsize=196608
References: <e09fdaf8-7ae3-9cf5-ebf3-8a10fcdbe5d0@freebsd.org>
<ZJikb2b-WJfXfJpy@albert.catwhisker.org>
In-Reply-To: <ZJikb2b-WJfXfJpy@albert.catwhisker.org>
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<div class=3D"moz-cite-prefix">On 25/06/2023 21:32, David Wolfskill
wrote:<br>
</div>
<blockquote type=3D"cite"
cite=3D"mid:ZJikb2b-WJfXfJpy@albert.catwhisker.org">
<pre class=3D"moz-quote-pre" wrap=3D"">On Sun, Jun 25, 2023 at 09:2=
0:40PM +0100, Graham Perrin wrote:
</pre>
<blockquote type=3D"cite">
<pre class=3D"moz-quote-pre" wrap=3D"">When debug.verbose_sysinit=
=3D1 is set in loader.conf(5), is normal to _not_
have BOOT and copyright messages?
</pre>
</blockquote>
<pre class=3D"moz-quote-pre" wrap=3D"">
It's normal (in that situation) to require a higher value in
kern.msgbufsize if you want the entire dmesg output saved in
/var/run/dmesg.boot, yes.
I use a shell script to modify that (in /boot/loader.conf.d/) in
conjunction with requesting a "verbose" (or not) boot.
E.g., on my laptop, the default value is 98304, which is fine for a
"normal" boot; for a "verbose" boot, I set it to 196608 (which works in
this case).
=E2=80=A6</pre>
</blockquote>
Thanks. 196608 was enough for me. <br>
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