On Tuesday 22 May 2007 11:42 pm, John M McIntosh wrote:
....Also I recall in the days of VirtualPC that team discovered certain i386 machine sequences which would effectively crash the microcode, anyone recall what that "bug" was. Certainly I remember patchs being loaded on my linux box to prevent the problem from happening, once it had been leaked to the internet.
Would that be the F00F bug in Pentium where the sequence "f0 0f c7 c8" sequence would lockup the processor and require a reset?
Real scary one, Subbu