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Date:      Thu, 22 Aug 2024 12:53:22 +0300
From:      KOT MATPOCKuH <matpockuh@gmail.com>
To:        freebsd-stable List <freebsd-stable@freebsd.org>
Subject:   uart device lost after upgrading 14.1 d56a912f2 to b99852587
Message-ID:  <CALmdT0VjnxLGKEsY_V8Q=djah7uU-AxAo8xru=QVBkeF5W%2BbrQ@mail.gmail.com>

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Hello all!

After upgrading FreeBSD 14.1 from d56a912f2 to b99852587 system lost uart
device on my SunFire X2270 system.
Entries from dmesg.boot file BEFORE update:
uart0: <Non-standard ns8250 class UART with FIFOs> at port 0x3f8 irq 4
flags 0x1
0 on isa0
uart0: console (9600,n,8,1)

What happened? How can I return my serial console to working state?

On the updated system I do not have these entries, also I have NO ttyu0
devices that were used as console.
I'm using stable/14 git's branch.
There were no changes in the kernel configuration file.
I do not have this problem on other systems, including different Sun's
servers, but this servers using different chipset. For example log entries
from SunFire X4200:
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
ns8250: UART FCR is broken
uart0: console (9600,n,8,1)

-- 
MATPOCKuH

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Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div>Hello all!<br><br></div><div>After upgrading FreeBSD =
14.1 from d56a912f2 to b99852587 system lost uart device on my SunFire X227=
0 system.<br></div><div>Entries from dmesg.boot file BEFORE update:<br></di=
v><div>uart0: &lt;Non-standard ns8250 class UART with FIFOs&gt; at port 0x3=
f8 irq 4 flags 0x1<br>0 on isa0<br>uart0: console (9600,n,8,1)<br></div><di=
v><div><br></div><div>What happened? How can I return my serial console to =
working state?<br></div><div><br></div><div>On the updated system I do not =
have these entries, also I have NO ttyu0 devices that were used as console.=
</div><div>I&#39;m using stable/14 git&#39;s branch.</div><div>There were n=
o changes in the kernel configuration file.</div><div>I do not have this pr=
oblem on other systems, including different Sun&#39;s servers, but this ser=
vers using different chipset. For example log entries from SunFire X4200:<b=
r></div><div>uart0: &lt;16550 or compatible&gt; port 0x3f8-0x3ff irq 4 flag=
s 0x10 on acpi0<br>ns8250: UART FCR is broken<br>uart0: console (9600,n,8,1=
)<br></div><div><span class=3D"gmail_signature_prefix"><br></span></div><di=
v><span class=3D"gmail_signature_prefix">-- </span><br><div dir=3D"ltr" cla=
ss=3D"gmail_signature" data-smartmail=3D"gmail_signature">MATPOCKuH</div></=
div></div></div>

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