Bug#1004887: Cannot shutdown or reboot on Z690-based motherboard

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From	Andy Panda <lolandypanda@gmail.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1004887: Cannot shutdown or reboot on Z690-based motherboard
Date	Wed, 02 Feb 2022 23:50:02 +0100
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Package: linux-image-5.15.0-0.bpo.2-amd64
Severity: important

Hi,

With a new PC that is based on the new Intel AlderLake platform, I cannot
reboot, sleep or shutdown a computer. It stucks at some point when the screen is
already "black" and nothing is printed in a console anymore. The PC
keeps running forever.

Searching through the internet I was able to find a solution. It seems
it is the igc driver-related issue. I have "I225-V Rev 03" network adapter.
I've tested the attached patch and the major part of the problem(shutdown
and reboot) is gone. Sleep still behaves not like expected, but here we
should probably wait for 5.17 kernel...

So I'm using stable plus a kernel 5.15 from the bullseye-backports repository.
The system is up-to-date. I added a proposed patch [1] to the source package
and rebuilt the kernel from the updated source package - the problem
is gone like it is
described above.

Probably another "similar"(but for igb driver) patch should be
considered as well [2].

[1]: https://lore.kernel.org/netdev/20211214003949.666642-1-vinicius.gomes@intel.com/
[2]: https://bugzilla.kernel.org/show_bug.cgi?id=215129


-- System Information:
Debian Release: 11.2
 APT prefers stable-updates
 APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500,
'proposed-updates'), (101, 'stable'), (21, 'experimental'), (20,
'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.15.0-0.bpo.2-amd64 (SMP w/20 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE,
TAINT_UNSIGNED_MODULE
Locale: LANG=uk_UA.UTF-8, LC_CTYPE=uk_UA.UTF-8 (charmap=UTF-8), LANGUAGE=uk
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-5.15.0-0.bpo.2-amd64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.140
ii  kmod                                    28-1
ii  linux-base                              4.6

Versions of packages linux-image-5.15.0-0.bpo.2-amd64 recommends:
ii  apparmor             2.13.6-10
ii  firmware-linux-free  20200122-1

Versions of packages linux-image-5.15.0-0.bpo.2-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  grub-efi-amd64          2.04-20
pn  linux-doc-5.15          <none>

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Bug#1004887: Cannot shutdown or reboot on Z690-based motherboard Andy Panda <lolandypanda@gmail.com> - 2022-02-02 23:50 +0100

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