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Just Intel fucking over security by making ECC a non feature on consumer grade hardware - wouldn't be surprised if it was just a single bit flipped in a feature
by josefx 6y ago
Just Intel fucking over security by making ECC a non feature on consumer grade hardware - wouldn't be surprised if it was just a single bit flipped in a feature mask.
- jjeaff 6y agoWell, with as common as a bunch of people in this thread seem to think bit flips are, it should just be a matter of time until that bit gets flipped on your cpu and activates the ecc feature.
- josefx 6y agoThat bit probably is either burned in or stored with the firmware in something more permanent than RAM. Modern RAM has the issue that it is optimized for capacity and speed to a point where state changes can leak into nearby bits.
- GlitchMr 6y agoFew issues with this statement: - That bit is not stored in RAM but rather somewhere within CPU which can have different bit flip frequency characteristics. - Even assuming this bit can be flipped, most computers wouldn't have ECC RAM inserted because well... the CPU doesn't support it. - And even assuming you have ECC RAM inserted, this bit flipping while your computer is running will likely lead to CPU hang considering the CPU didn't fill in error correction bits and will lead CPU to think that pretty much every single byte is corrupt. - And all in all, even if you did manage to turn on ECC bit, it would only work until the computer gets turned off.
- skunkworker 6y agoI've looked into this before, personally a Xeon E 2288g is probably the most "consumer" cpu intel offers that has ECC, 8 cores and QuickSync support. Trying to get ECC + Quicksync is a real pain.