From: Damien Le Moal <damien.lemoal@opensource.wdc.com>
To: "Krzysztof Wilczyński" <kw@linux.com>
Cc: Yuji Nakao <contact@yujinakao.com>,
linux-kernel@vger.kernel.org,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
". Bjorn Helgaas" <bhelgaas@google.com>,
Marc Zyngier <maz@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Sasha Levin <sashal@kernel.org>
Subject: Re: Kernel 5.15 doesn't detect SATA drive on boot
Date: Wed, 17 Nov 2021 08:40:58 +0900 [thread overview]
Message-ID: <26826c5d-2fa6-9719-be2a-5a22d1e9abc0@opensource.wdc.com> (raw)
In-Reply-To: <YZQ+GhRR+CPbQ5dX@rocinante>
On 2021/11/17 8:26, Krzysztof Wilczyński wrote:
> [+CC Arnd, Bjorn, Marc and Sasha for visibility]
>
> Hello Damien and Yuji,
>
> [...]
>>> 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.
>>
>> I think that this problem is due to recent PCI subsystem changes which broke Mac
>> support. The problem show up as the interrupts not being delivered, which in
>> turn result in the kernel assuming that the drive is not working (see the
>> timeout error messages in your dmesg output). Hence your boot drive detection
>> fails and no rootfs to mount.
>>
>> Adding linux-pci list.
>>
>>
>>
>>>
>>> Regards.
>>>
>>> [1] https://archlinux.org/packages/core/x86_64/linux/
>>> [2] https://bugs.archlinux.org/task/72734
>
Krzysztof,
> The error in the dmesg output (see [2] where the log file is attached)
> looks similar to the problem reported a week or so ago, as per:
>
> https://lore.kernel.org/linux-pci/ee3884db-da17-39e3-4010-bcc8f878e2f6@xenosoft.de/
Thanks. I searched this thread but could not find it in the archive.
Early morning, need more coffee :)
>
> The problematic commits where reverted by Bjorn and the Pull Request that
> did it was accepted, as per:
>
> https://lore.kernel.org/linux-pci/20211111195040.GA1345641@bhelgaas/
>
> Thus, this would made its way into 5.16-rc1, I suppose. We might have to
> back-port this to the stable and long-term kernels.
Yes, I think the fix needs to go in 5.15, which is latest stable and LTS.
>
> Yuji, could you, if you have some time to spare, try the 5.16-rc1 to see if
> this have gotten better on your system?
>
> Krzysztof
>
--
Damien Le Moal
Western Digital Research
next prev parent reply other threads:[~2021-11-16 23:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-16 12:44 Kernel 5.15 doesn't detect SATA drive on boot Yuji Nakao
2021-11-16 23:05 ` Damien Le Moal
2021-11-16 23:26 ` Krzysztof Wilczyński
2021-11-16 23:40 ` Damien Le Moal [this message]
2021-11-16 23:54 ` Krzysztof Wilczyński
2021-11-17 16:24 ` Jeremy Soller
2021-11-17 9:07 ` Marc Zyngier
2021-11-17 9:36 ` Krzysztof Wilczyński
2021-11-21 15:41 ` Maxym Synytsky
2021-11-21 19:58 ` Marc Zyngier
2021-11-21 20:48 ` Maxym Synytsky
2021-11-21 21:09 ` Marc Zyngier
2021-11-17 13:52 ` Yuji Nakao
2021-11-17 14:20 ` Marc Zyngier
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