From Newsgroup: muc.lists.freebsd.stable

Source upgrade
stable/15-n280668-998dd4a11a2b 1500500 1500500 amd64
to
stable/15-n280740-317a5dd0288e 1500500 1500500 amd64

# dmesg
#

# file /sbin/dmesg
/sbin/dmesg: ELF 64-bit LSB pie executable, x86-64, version 1 (FreeBSD), dynamically linked, interpreter /libexec/ld-elf.so.1, for FreeBSD 15.0 (1500500), FreeBSD-style, stripped

# file /rescue/dmesg
/rescue/dmesg: ELF 64-bit LSB executable, x86-64, version 1 (FreeBSD), statically linked, for FreeBSD 15.0 (1500500), FreeBSD-style, stripped

usual buildworld kernel reboot method. Neither dmesg returns data.
Is this a known issue?
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From Newsgroup: muc.lists.freebsd.stable


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On Sun, Oct 19, 2025 at 03:27:25AM +0100, void wrote:

Source upgrade stable/15-n280668-998dd4a11a2b 1500500 1500500 amd64
to
stable/15-n280740-317a5dd0288e 1500500 1500500 amd64
=20
# dmesg
#

I do not see this "lack of output" from dmesg on a system updated from stable/15-n280730-f6923c0a68a6 to stable/15-n280738-bf65752dcec9 (and in
the process of being updated to stable/15-n280745-167b9fac60a7) -- also
amd64.

Also source-upgraded; stable/15 history at https://www.catwhisker.org/~david/FreeBSD/history/laptop_uname_amd64.15.txt

...

Peace,
david
--=20
David H. Wolfskill david@catwhisker.org

See https://www.catwhisker.org/~david/publickey.gpg for my public key.

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From Newsgroup: muc.lists.freebsd.stable

On Sun, Oct 19, 2025 at 06:20:51AM -0700, David Wolfskill wrote:

On Sun, Oct 19, 2025 at 03:27:25AM +0100, void wrote:

Source upgrade stable/15-n280668-998dd4a11a2b 1500500 1500500 amd64
to
stable/15-n280740-317a5dd0288e 1500500 1500500 amd64

# dmesg
#

I do not see this "lack of output" from dmesg on a system updated from >stable/15-n280730-f6923c0a68a6 to stable/15-n280738-bf65752dcec9 (and in
the process of being updated to stable/15-n280745-167b9fac60a7) -- also >amd64.

Thank you for sharing your results.

I'm testing again, this time on a vm. This one a stable/14
upgraded to stable/15-n280738-bf65752dcec9.
On this one, dmesg works as expected.

Now doing a source upgrade from that to 317a5dd0288e, let's see
if it still works

Interestingly, I had to rm -rf obj on here before a buildworld
could start because of:

Deleting stale files in build tree...

ld-elf.so.1: Shared object "libutil.so.9" not found, required by "env"
0.00 real 0.00 user 0.00 sys
*** [_cleanworldtmp] Error code 1
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From Newsgroup: muc.lists.freebsd.stable

On Sun, Oct 19, 2025 at 06:20:51AM -0700, David Wolfskill wrote:

I do not see this "lack of output" from dmesg on a system updated from >stable/15-n280730-f6923c0a68a6 to stable/15-n280738-bf65752dcec9 (and in
the process of being updated to stable/15-n280745-167b9fac60a7) -- also >amd64.

Seems rm -fr obj again and another build fixed it
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From Newsgroup: muc.lists.freebsd.stable

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no
Kind regards,
Mike


On Sun, Oct 19, 2025 at 9:21=E2=80=AFAM David Wolfskill <david@catwhisker.o=

wrote:

On Sun, Oct 19, 2025 at 03:27:25AM +0100, void wrote:

Source upgrade stable/15-n280668-998dd4a11a2b 1500500 1500500 amd64
to
stable/15-n280740-317a5dd0288e 1500500 1500500 amd64

# dmesg
#

I do not see this "lack of output" from dmesg on a system updated from stable/15-n280730-f6923c0a68a6 to stable/15-n280738-bf65752dcec9 (and in
the process of being updated to stable/15-n280745-167b9fac60a7) -- also amd64.

Also source-upgraded; stable/15 history at https://www.catwhisker.org/~david/FreeBSD/history/laptop_uname_amd64.15.t=

xt

...

Peace,
david
--
David H. Wolfskill david@catwhisker.org

See https://www.catwhisker.org/~david/publickey.gpg for my public key.

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<div dir=3D"ltr"><div>no</div><div><div dir=3D"ltr" class=3D"gmail_signatur=
e" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><div>Kind regards,</= div><div>Mike</div></div></div></div><br></div><br><div class=3D"gmail_quot=
e gmail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Oct = 19, 2025 at 9:21=E2=80=AFAM David Wolfskill &lt;<a href=3D"mailto:david@cat= whisker.org">david@catwhisker.org</a>&gt; wrote:<br></div><blockquote class= =3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg= b(204,204,204);padding-left:1ex">On Sun, Oct 19, 2025 at 03:27:25AM +0100, = void wrote:<br>
&gt; Source upgrade stable/15-n280668-998dd4a11a2b 1500500 1500500 amd64<br=

&gt; to<br>
&gt; stable/15-n280740-317a5dd0288e 1500500 1500500 amd64<br>
&gt; <br>
&gt; # dmesg<br>
&gt; #<br>

I do not see this &quot;lack of output&quot; from dmesg on a system updated=
from<br>
stable/15-n280730-f6923c0a68a6 to stable/15-n280738-bf65752dcec9 (and in<br=

the process of being updated to stable/15-n280745-167b9fac60a7) -- also<br> amd64.<br>

Also source-upgraded; stable/15 history at<br>
<a href=3D"https://www.catwhisker.org/~david/FreeBSD/history/laptop_uname_a= md64.15.txt" rel=3D"noreferrer" target=3D"_blank">https://www.catwhisker.or= g/~david/FreeBSD/history/laptop_uname_amd64.15.txt</a><br>

&gt; ...<br>

Peace,<br>
david<br>
-- <br>
David H. Wolfskill=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"mailto:david@ca= twhisker.org" target=3D"_blank">david@catwhisker.org</a><br>

See <a href=3D"https://www.catwhisker.org/~david/publickey.gpg" rel=3D"nore= ferrer" target=3D"_blank">https://www.catwhisker.org/~david/publickey.gpg</=

for my public key.<br>

</blockquote></div>

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