If you’ve spent any time digging through dmesg or journalctl on a modern Linux laptop (especially a Dell, Lenovo, or HP), you’ve likely stumbled upon a cryptic set of lines that look something like this:
sudo update-initramfs -u Reboot. The errors will vanish, and you’ll save a few CPU cycles. acpi smo8800 1
The Ghost in the Kernel: Decoding the ACPI SMO8800 “Write” Error on Linux If you’ve spent any time digging through dmesg
acpi-smo8800-linux-error-fix
If you don’t have a mechanical hard drive, just disable the entire free-fall protection system. ACPI: SMO8800:00: Failed to write error status (ae_error)
ACPI: SMO8800:00: Failed to write error status (ae_error) acpi smo8800 1: write failed (cmd=0x...) At first glance, it looks like a hardware failure—maybe a dying motherboard or a corrupted BIOS. But in 99% of cases, it’s neither. Today, we’re going to demystify what SMO8800 actually is, why it’s trying to "write" something, and why you can (probably) ignore it safely. SMO8800 is the ACPI device ID for a STMicroelectronics accelerometer (usually the LIS3DVH or similar). This tiny chip is not for rotating your screen or detecting falls on a smartphone. In the laptop world, it serves one very specific purpose: Free Fall Protection .
blacklist hp_accel blacklist lis3lv02d Then update your initramfs: