X-Nico

2 unusual facts about Cyrix coma bug


Cyrix coma bug

The Cyrix coma bug is a design flaw in Cyrix 6x86, 6x86L, and early 6x86MX processors that allows a non-privileged program to completely lock the computer.

Alexandr Konosevich, from Omsk, further researched the bug, and coauthored an article with Uwe Post in the German technology magazine, c't, calling it the "hidden CLI bug" (CLI is the instruction which disables interrupts in the x86 architecture).



see also