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by ranger_danger
1511 days ago
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> strict standards According to the PDF, they are not actually required to adhere to any software standards, and they did not always follow their own coding rules. An internal email admitted that "technology such as failsafe is not part of the Toyota’s engineering division’s DNA". They didn't even have bug trackers, config management OR COMMENTS in the 250k+ lines of code that were looked at. The software was full of bugs and terrible coding practices, plus the CPU was routinely pushed way too close to 100%. The ETCS code in question also had no unit tests, but it would be impossible to have them anyway due to their use of recursion in the code, which is also not supposed to be used in safety-critical systems. |
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