Bug#1023876: linux-image-5.19.0-0.deb11.2-amd64: infinite loop whit RAID1 when shutting down
Hi
On Fri, Nov 11, 2022 at 06:33:23PM -0300, Joao Eriberto Mota Filho wrote:
> Package: src:linux
> Version: 5.19.11-1~bpo11+1
> Severity: important
>
> Dear maintainer,
>
> I have a desktop with 3 polls over RAID1 (2 SSD, 2 HDD, plus 2 SSD). The
> current kernel on BPO creates an infinite loop when shutting down the system. I
> can see several messages like:
>
> systemd-shutdown[1]: Not all MD devices stopped. 1 left.
> systemd-shutdown[1]: Stopping MD devices.
> systemd-shutdown[1]: Stopping MD /dev/md2 (9:2)
> md: md2 stopped.
> systemd-shutdown[1]: Not all MD devices stopped. 1 left.
> systemd-shutdown[1]: Stopping MD devices.
> systemd-shutdown[1]: Stopping MD /dev/md2 (9:2)
> md: md2 stopped.
> systemd-shutdown[1]: Not all MD devices stopped. 1 left.
> systemd-shutdown[1]: Stopping MD devices.
> systemd-shutdown[1]: Stopping MD /dev/md2 (9:2)
> md: md2 stopped.
> systemd-shutdown[1]: Not all MD devices stopped. 1 left.
> systemd-shutdown[1]: Stopping MD devices.
> systemd-shutdown[1]: Stopping MD /dev/md2 (9:2)
> [...]
> block device autoloading is deprecated and will be removed
> block device autoloading is deprecated and will be removed
> block device autoloading is deprecated and will be removed
> block device autoloading is deprecated and will be removed
> block device autoloading is deprecated and will be removed
> block device autoloading is deprecated and will be removed
> block device autoloading is deprecated and will be removed
> block device autoloading is deprecated and will be removed
> [...]
> md: md2 stopped.
> md: md2 stopped.
> md: md2 stopped.
> md: md2 stopped.
> md: md2 stopped.
> md: md2 stopped.
> md: md2 stopped.
> [...]
> systemd-shutdown[1]: Not all MD devices stopped. 1 left.
> systemd-shutdown[1]: Stopping MD devices.
> systemd-shutdown[1]: Stopping MD /dev/md2 (9:2)
> md: md2 stopped.
> systemd-shutdown[1]: Not all MD devices stopped. 1 left.
> systemd-shutdown[1]: Stopping MD devices.
> systemd-shutdown[1]: Stopping MD /dev/md2 (9:2)
> md: md2 stopped.
> [...]
>
> There is a solution from Arch Linux[1]:
>
> "Arch disabled BLOCK_LEGACY_AUTOLOAD for 5.18 which broke mdraid".
>
> [1] https://bbs.archlinux.org/viewtopic.php?id=279383
>
> Please, consider disabling the deprecated BLOCK_LEGACY_AUTOLOAD, enabled by
> default in current kernel on Debian:
>
> $ cat /boot/config-5.19.0-0.deb11.2-amd64 | grep BLOCK_LEGACY_AUTOLOAD
> CONFIG_BLOCK_LEGACY_AUTOLOAD=y
>
> Thanks in advance.
I'm not sure, can we can do that (yet)? Some context about this is in
https://lore.kernel.org/all/YhE%2Fc0K0FN9j8LFE@bombadil.infradead.org/
. In fact back for 5.18-rc1 upstream has weakened the removal schedule
for block device autoloading and with 451f0b6f4c44 ("block: default
BLOCK_LEGACY_AUTOLOAD to y")[1].
Initially it was planned to make it for 5.19, see fbdee71bb5d8
("block: deprecate autoloading based on dev_t")[2].
[1]: https://git.kernel.org/linus/451f0b6f4c44d7b649ae609157b114b71f6d7875
[2]: https://git.kernel.org/linus/fbdee71bb5d8d054e1bdb5af4c540f2cb86fe296
Regards,
Salvatore
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