Van Snyder composed on 2025-02-28 11:27 (UTC-0800): > On Thu, 2025-02-27 at 22:35 -0500, Felix Miata wrote:
>> Your kernel is older than your CPU by about a year, so likely doesn't >> have enough >> backporting to fully support it properly. A newer kernel could be all >> it takes to >> make those MCEs go away. > What's "mce?" The part you failed to quote: mce: {Hardware Error]: CPU: 8 Machine Check: 0 Bank 0: 8000004000040005 mce: {Hardware Error]: TSC 1838aa435b6d mce: {Hardware Error]: PROCESSOR 0: b0671 TIME 140710368 SOCKET 0 APIC 20 microcode 12b Machine Check (Exception) is a "Hardware Error", typically caused not by a hardware error, but by attempting to use hardware newer than the software, the kernel in particular. > "apt update" says everything is up to date, but the kernel is 6.1.0-18. > I believe there are several newer ones, maybe up to 6.1.0-31? "Newer" kernels do include those newer than your 6.1.0-18 and it's "update" derivative 6.1.0-31. Updates are newer by date, due to the security and bug fixes they contain. But, little if any support for newer hardware is added to update kernels, so their support for newer hardware is generally limited or absent. "Newer" in another sense, means 6.2.x and up. Newer kernels for this sense of the word support newer hardware than that generally available around the time of the version selected for provision with the original release of the Debian 12 operating system you are using. In another sense of the word "newer", that which is most likely applicable to your environment, is a version newer than your i9-14900K CPU, which was released to market in the third quarter of 2023, when the upstream newest available kernel was 6.8.x, 7 major versions newer than Bookworm's 6.1.x. -- Evolution as taught in public schools is, like religion, based on faith, not based on science. Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata