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JHRobotics/patcher9x

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Patch for Windows 9x to fix CPU issues

8 mentions on Hacker News by 8 people: 4 stories, 4 comments · first 2023-06-12 · latest 2026-05-16

Mentions per year 8 mentions · busiest year 2023 (4)
20082026
  1. …apparently went unnoticed for decades and now triggers in KVM on AMD Zen 2 and newer CPUs? (see: https://github.com/JHRobotics/patcher9x ) AFAIK, part of the reason Linux no longer supports i486 is that it made CMPXCHG8B a hard requirement…
    comment by st_goliath · 2026-05-16 · in Windows 9x Subsystem for Linux
  2. …Attempting to install/run on modern hardware will usually blue-screen without the workarounds. =3 https://github.com/JHRobotics/patcher9x
    comment by Joel_Mckay · 2026-03-29 · in OpenCiv1 – open-source rewrite of Civ1
  3. It needs quite a few fixes to even run in a VM. But it can be done: https://github.com/JHRobotics/patcher9x
  4. …on more modern CPUs including Ryzen CPUs. It patches the "TLB Invalidation Bug". [1] [0] https://github.com/JHRobotics/patcher9x [1] https://blog.stuffedcow.net/2015/08/win9x-tlb-invalidation-b...