From: "Krzysztof Wilczyński" <kw@linux.com>
To: Damien Le Moal <damien.lemoal@opensource.wdc.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 00:26:18 +0100 [thread overview]
Message-ID: <YZQ+GhRR+CPbQ5dX@rocinante> (raw)
In-Reply-To: <8951152e-12d7-0ebe-6f61-7d3de7ef28cb@opensource.wdc.com>
[+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
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/
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.
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
next prev parent reply other threads:[~2021-11-16 23:26 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 [this message]
2021-11-16 23:40 ` Damien Le Moal
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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