linux-kernel - Kernel 5.15 doesn't detect SATA drive on boot

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Message-ID: <87h7ccw9qc.fsf@yujinakao.com>
Date:   Tue, 16 Nov 2021 21:44:43 +0900
From:   Yuji Nakao <contact@...inakao.com>
To:     linux-kernel@...r.kernel.org
Cc:     damien.lemoal@...nsource.wdc.com
Subject: Kernel 5.15 doesn't detect SATA drive on boot

Hello,

I'm using Arch Linux on MacBook Air 2010. I updated `linux` package[1]
from v5.14.16 to v5.15.2 the other day, and the boot process stalled
with the following message.

```shell
:: running early hook [udev]
Starting version 249.6-3-arch
:: running hook [udev]
:: Triggering uevents...
Waiting 10 seconds for device /dev/sda3 ...
ERROR: device '/dev/sda3' not found. Skipping fsck.
:: mounting '/dev/sda' on real root
mount: /new_root: no filesystem type specified.
You are now being dropped into an emergency shell.
sh: can't access tty; job control turned off
[rootfs ]#
```

In the emergency shell there's no `sda` devices when I type `$ ls
/dev/`. By downgrading the kernel, boot process works properly.

See also Arch Linux bug tracker[2]. There are similar reports on
Apple devices.

`dmesg` output in the emergency shell is attached. I guess this issue is
related to libata, so CCed to Damien Le Moal.

Regards.

[1] https://archlinux.org/packages/core/x86_64/linux/
[2] https://bugs.archlinux.org/task/72734

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