https://www.villeviinikka.com/posts/ Recent content in Posts on Ville Viinikka Hugo en-us Mon, 22 Jun 2026 22:35:33 +0300 https://www.villeviinikka.com/posts/x10sae-acpi-patch/ Mon, 22 Jun 2026 22:35:33 +0300 https://www.villeviinikka.com/posts/x10sae-acpi-patch/ <figure><img src="https://www.villeviinikka.com/posts/x10sae-acpi-patch/windbg.webp" alt="screenshot of windows debugger"><figcaption> <p>WinDbg. Interestingly this image is 112kB as 80% lossy webp but 46kB lossless.</p> </figcaption> </figure> <p>Windows 10 started crashing on my Supermicro X10SAE (Intel Haswell, 2013) motherboard around version 20H2 (2020). A clean install would blue screen with &ldquo;Page fault in nonpaged area&rdquo; around the time it installed graphics drivers. The crash memory dump showed a stack trace in TeeDriverW8x64, which is the Intel MEI (Management Engine Interface) driver.</p> https://www.villeviinikka.com/posts/fineid-sign-pgp/ Wed, 17 Jun 2026 23:11:03 +0300 https://www.villeviinikka.com/posts/fineid-sign-pgp/ <p>Given the Jia Tan <a href="https://en.wikipedia.org/wiki/XZ_Utils_backdoor">incident with xz</a> and the increasing awareness of the importance of software supply chain security, what can an individual do? I have a Finnish ID card (<a href="https://dvv.fi/en/fineid-specifications">FINEID</a> or &ldquo;kansalaisvarmenne&rdquo;) that can sign things using an RSA-2048 or P-256 key. So lets sign my commit signing key with that. This should give a better guarantee of my developer identity, though not the quality of code itself.</p> <p>Here is how I set up the card in Linux:</p>