3 ms·
I'm sure the infotainment system does, but that is not all that is being updated; you have many more processors in ECU, assistance systems and so on that are al
by stefan_ 3y ago
I'm sure the infotainment system does, but that is not all that is being updated; you have many more processors in ECU, assistance systems and so on that are also sometimes getting fed new firmware over various wonky buses as part of an upgrade. In some instances there might even be multiple levels involved in the firmware distribution.
- yjftsjthsd-h 3y agoSo? Everything that can update firmware should do the same thing.
- stefan_ 3y agoAnd then what? A/B update isn't magic dust, if some sub component ends up with an incompatible firmware because it had to boot to the alternate partition, you might still have an incompatible overall system. (Not like the subsubsupplier of that module even specced the extra flash memory for A/B update, hah)
- mistercheph 3y agoRetain the known good firmware for each controller on master disk A, if the update fails, reflash all components.
- gpderetta 3y agoThe real question is why would they be doing OTA upgrades of such critical systems.