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gigabyte b550: suspend fix (#884)

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fixes b550 suspend bug by setting up systemd services that disable GPP0 and GPP8 in /proc/acpi/wakeup

Co-authored-by: Jörg Thalheim <Mic92@users.noreply.github.com>
This commit is contained in:
Nire Bryce
2024-03-25 07:40:22 +00:00
committed by GitHub
parent 7559df1e4a
commit 474549f841
4 changed files with 88 additions and 0 deletions
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35
gigabyte/b550/b550-fix-suspend.nix Normal file
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@@ -0,0 +1,35 @@
{ pkgs, lib, ... } :
{
systemd.services.bugfixSuspend-GPP0 = {
enable = lib.mkDefault true;
description = "Fix crash on wakeup from suspend/hibernate (b550 bugfix)";
unitConfig = {
Type = "oneshot";
};
serviceConfig = {
User = "root"; # root may not be necessary
# check for gppN, disable if enabled
# lifted from https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/ksbm0mb/ /u/Demotay
ExecStart = "-${pkgs.bash}/bin/bash -c 'if grep 'GPP0' /proc/acpi/wakeup | grep -q 'enabled'; then echo 'GPP0' > /proc/acpi/wakeup; fi'";
RemainAfterExit = "yes"; # required to not toggle when `nixos-rebuild switch` is ran
};
wantedBy = ["multi-user.target"];
};
systemd.services.bugfixSuspend-GPP8 = {
enable = lib.mkDefault true;
description = "Fix crash on wakeup from suspend/hibernate (b550 bugfix)";
unitConfig = {
Type = "oneshot";
};
serviceConfig = {
User = "root";
ExecStart = "-${pkgs.bash}/bin/bash -c 'if grep 'GPP8' /proc/acpi/wakeup | grep -q 'enabled'; then echo 'GPP8' > /proc/acpi/wakeup; fi''";
RemainAfterExit = "yes";
};
wantedBy = ["multi-user.target"];
};
}