mirror of
https://github.com/NixOS/nixos-hardware
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48 lines
2.9 KiB
Markdown
48 lines
2.9 KiB
Markdown
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# B550 suspend bug
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Gigabyte B550-family motherboards have a hard to diagnose (At least, from the system log events) suspend bug.
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As of the F18 bios for the b550m-d3sh (My machine), released in 2024-02-27, this is still unfixed by the manufacurer and has been for over 4 years.
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Symptoms:
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- Suspend PC
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- It goes into suspend, then seems to boot and hang. Sometimes it suspends successfully, but waking it from suspend puts it in the "zombie" state.
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- By playing chicken with volatile storage and flicking the power switch on the back of power supply, you can sometimes get it to wake from suspend as the card un-powers before volatile storage does.
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Fix: disable GPP0 and GPP8 (And, for some cards, potentially PTXH, I can't test) in /proc/acpi/wakeup
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- To do this permanently, a systemd service is provided
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## This affects at least:
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- Gigabyte b550m-d3sh (my machine)
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- Gigabyte B550i AORUS Pro Ax https://www.reddit.com/r/gigabyte/comments/p5ewjn/b550i_pro_ax_f13_bios_sleep_issue_on_linux/
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- Gigabyte B550 Vision D https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/hb32elw/
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- Gigabyte B550 Aorus Pro https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/ijsx8ia/
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- Gigabyte B550 Aorus Pro AC https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/j6cbnwq/
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- Gigabyte B550 Aorus Pro v2 https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/imx7sz0/
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- B550 Aorus Pro may need GPP0 and PTXH instead of GPP8, I don't have hardware to test
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- Gigabyte B550 Aurus Elite v2 https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/k2psbgu/
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- Gigabyte B550m pro https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/huocd81/
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- Gigabyte B550m Aorus Elite https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/hzngaa7/
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- Gigabyte B550 Gaming X v2 https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/hvojl44/
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- Gigabyte B550 Aorus Master v1.0 https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/j1alpxk/
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### Anecdotes of other boards:
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- Gigabyte A520M https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/i57jpjw/
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## Shoutouts:
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- thanks to [/u/dustythermals's reddit comment](https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/hb32elw/) for the systemd service blueprint
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- thanks to help from [@ToxicFrog](https://github.com/ToxicFrog) for advice on making it not toggle when `nixos-rebuild switch` is ran
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- thanks to [/u/Demotay's reddit comment](https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/ksbm0mb/) for how to make it check and only fire if these are enabled
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- Huge thanks to /u/theHugePotato who found the [root cause](https://www.reddit.com/r/gigabyte/comments/p5ewjn/comment/h9plj88/) and put it where everyone could find
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## Breadcrumbs:
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https://www.reddit.com/r/gigabyte/comments/p5ewjn/b550i_pro_ax_f13_bios_sleep_issue_on_linux/
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https://www.reddit.com/r/archlinux/comments/11urtla/systemctl_suspend_hibernate_and_hybridsleep_all/
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https://forum.manjaro.org/t/system-do-not-wake-up-after-suspend/76681/2
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