https://bugzilla.kernel.org/show_bug.cgi?id=215997
Bug ID: 215997
Summary: Failure to resume
Product: ACPI
Version: 2.5
Kernel Version: 5.10.115
Hardware: AMD
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Power-Sleep-Wake
Assignee: acpi_power-sleep-w...@kernel-bugs.osdl.org
Reporter: christoph.n.st...@gmail.com
Regression: No
First, this is my first kernel bug report, so I apologize in advance if I get
anything wrong.
Second, on kernel version 5.10.113 and 5.10.115 my PC fails to properly wake up
when suspended to RAM. I essentially get a black screen, however I can switch
exactly once to TTY1 by using Alt+Ctrl+F1. Then it displays a couple of status
messages but fails to do anything else. After that even REISUB fails to restart
the PC and I need to manually turn the power off.
The issue first arises with version 5.10.113. The bug still persists in
5.10.115.
When using PM_TRACE I get the following debug message from "dmesg", so I am
somewhat confident it is bug related to the ACPI module.
> [ 0.735634] PM: Magic number: 0:356:296
> [ 0.735635] PM: hash matches drivers/base/power/main.c:904
> [ 0.735686] tty tty29: hash matches
> [ 0.735696] pci 0000:44:00.0: hash matches
> [ 0.735713] acpi STK0003A:00: hash matches
I am on NixOS 21.11. My motherboard is a ASRock TRX40 Creator and my CPU is a
AMD Ryzen Threadripper 3960X.
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