Bug#977645: 5.10.1 Debian kernel does not boot on raspi 4 with ext4 rootfs and sdcard

From	Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp>
Newsgroups	linux.debian.bugs.rc
Subject	Bug#977645: 5.10.1 Debian kernel does not boot on raspi 4 with ext4 rootfs and sdcard
Date	2020-12-18 03:40 +0100
Message-ID	<BndQt-2lM-1@gated-at.bofh.it> (permalink)
References	<BncKJ-1HT-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Package: linux-image-5.10.0-trunk-arm64-unsigned
Version: 5.10.1-1~exp1
Severity: grave
Justification: renders package unusable

Dear Debian kernel maintainers,

Debian kernel 5.10.1 in experimental does not boot on my raspberry pi 4.
I tried to boot it from an SD card with ext4 root partition.
Partitioining is msdos (not gpt).

I was always able to boot it in the same configuration,
when I used my compiled vanilla 5.10.1 or "git clone"'ning from salsa.debian.

When I use vanilla or salsa.debian.org 5.10.1, booting ALWAYS fails
if rootfs is btrfs.

Photo of boot console is found at
https://photos.app.goo.gl/A755wZKvqneX1WvY6

We observe that booting fails at btrfs.
To me, 5.10.1 btrfs looks very suspicious...

I will see if what will happen with x86_64 with btrfs rootfs...

Best regards, Ryutaroh Matsumoto

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Bug#977645: 5.10.1 Debian kernel does not boot on raspi 4 with ext4 rootfs and sdcard Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2020-12-18 03:40 +0100
  Bug#977647: 5.10.1 Debian kernel does not boot on amd64 with btrfs rootfs Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2020-12-18 04:00 +0100
    Bug#977647: 5.10.1 Debian kernel does not boot on amd64 with btrfs rootfs Nicholas D Steeves <nsteeves@gmail.com> - 2020-12-19 00:40 +0100
  Bug#977694: 5.10.1 Debian kernel does not boot on raspi 4 with ext4 rootfs and usb-msd Ryutaroh Matsumoto <ryutaroh@ict.e.titech.ac.jp> - 2020-12-19 02:40 +0100
  Bug#977645: linux-image-5.10.0-trunk-arm64: Both 5.10.1 and .2 do work on RPi3B+ with ext4 rootfs on sdcard Diederik de Haas <didi.debian@cknow.org> - 2020-12-24 16:50 +0100

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