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Bug#986863: marked as done (linux: Serial terminal for RPi 4 and p400 corrupted during bootup)

Your message dated Thu, 20 Feb 2025 13:31:50 +0100 (CET)
with message-id <20250220123150.CC217BE2EE7@eldamar.lan>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #986863,
regarding linux: Serial terminal for RPi 4 and p400 corrupted during bootup
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
986863: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986863
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Source: linux
Version: 5.10.0-5
Severity: important

During the boot process of the Raspberry Pi models 4 (4 and 8GB) and
p400, the console starts working correctly, but as the vc4 video gets
initialized, the console gets corrupted.

It's not a baud rate change. HDMI output (both text only and with X
startup) works fine.

I am attaching two screenshots -- First one shows the issue booting
with kernel 5.10.0-3-arm64, second one shows the issue still appears
after upgrade to 5.10.0-5-arm64.

Other models of RPi are not affected by this. I am aware of #983338,
but it's a different issue.

-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.7.0-2-amd64 (SMP w/8 CPU threads)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Attachment: raspi_tty_5.10.0-3.png
Description: PNG image

Attachment: raspi_tty_5.10.0-5.png
Description: PNG image


--- End Message ---
--- Begin Message --- 
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---
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