[f2fs-dev] [Bug 216050] f2fs_gc occupies 100% cpu

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=216050

--- Comment #66 from Yuriy Garin (yuriy.garin@gmail.com) ---
(In reply to bogdan.nicolae from comment #65)
> Unfortunately 6.0.1-arch2-1 didn't do the trick for me. I'm still
> experiencing this bug, especially when my laptop is coming out of sleep.

That sucks. I really hoped that it's gone.

Well, when previous months it become unbearable, I did this - "palliative"
workaround:

1. Read and try https://wiki.archlinux.org/title/Kernel/Traditional_compilation
and https://wiki.archlinux.org/title/Kernel/Arch_Build_System, especially
latter.

2. Using "Arch Build System", apply one of the debug patches, mentioned
earlier, e.g. #62 - the good thing about those debug patches is that they break
"dead loop". (Or just edit code in data.c - it's a couple of lines.)

3. Replace kernel by patched. Reboot.

4. On every reboot, before mount f2fs, run fsck.f2fs (though, so far, it never
reported anything bad).

Do this after running Arch 'pacman -Syu', when kernel was changed, ~ once a
week.

Once you got familiar with "Arch Build System", it takes ~30 minutes.

(Naturally, stating the obvious, save your work, in the case if you loose
computer.)

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