[Bug 221569] Laptop fan too loud (spinning nearly always) hp-wmi 7.1-rc4 kerenel

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=221569

--- Comment #26 from Marco Scardovi (scardracs@disroot.org) ---
The problem you are reporting is not directly correlated to my patch.

It's introduced by f5d1499ae209 ("PM: hibernate: x86: Use crc32 instead of md5
for hibernation e820 integrity check"), in particular the lines below:

if (rdr->e820_checksum != compute_e820_crc32(e820_table_firmware)) {
        pr_crit("Hibernate inconsistent memory map detected!\n");
        return -ENODEV;
}

This means that the memory map (E820 table) presented by your UEFI
firmware/bootloader during the resume boot is different from the one recorded
when the hibernation image was created. 

The hp-wmi driver has nothing to do with it: the e820_table_firmware is
populated very early during boot in arch/x86/kernel/setup.c by the setup_arch()
function, long before hp-wmi is even loaded, and hp-wmi does not modify it.

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