https://bugzilla.kernel.org/show_bug.cgi?id=219185
Bug ID: 219185
Summary: System reboots after shutdown or sleep
Product: ACPI
Version: 2.5
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P3
Component: Power-Off
Assignee: acpi_power-...@kernel-bugs.osdl.org
Reporter: ppelletier9...@gmail.com
Regression: No
Created attachment 306763
--> https://bugzilla.kernel.org/attachment.cgi?id=306763&action=edit
Output of dmesg
Hi! I'm setting up a Linux machine for my daughter using a 2015 iMac that we
have laying around.
So far, everything works great except from one problem: The system reboots when
we try to shutdown or put it in sleep. Therefore, the only way to shut it down
is to use the power button.
The machine is an iMac, 21.5-inch, Late 2015, model A1418.
Operating system: Linux Mint 22 Cinnamon
Since Linux Mint uses a kernel that is not suitable for bug reporting here, I
installed kernel 6.10.6-061006-generic and the problem persists.
I also previously tried current versions of Fedora, Ubuntu and Debian (which
has kernel 6.1.27).
This seems to be a long standing issue also affecting other people as shown on
this post that started on May 8, 2022:
[Linux on iMac reboots instead of shutdown |
Linux.org](https://www.linux.org/threads/linux-on-imac-reboots-instead-of-shutdown.40266/)
I tried to boot with passing acpi=off to the kernel in grub but that has the
effect of hanging the machine when we try to shut it down.
I verified that my kernel is not tainted: `cat /proc/sys/kernel/tainted`
returns 0.
I attach the output of dmesg in case that's useful.
I will be happy to provide further information and testing.
Thank you!
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