3 ms·

do you guys not have confirmed boot and swizzling to fallback images?

• AlotOfReading 3y ago
  Automotive varies widely between "basically modern Linux systems with proper updates" and the most janky, home-grown update systems imaginable, sometimes even within the same components and teams.
  • foobiekr 3y ago
    Yah, I know from friends at ford and vw that there's still vxworks and qnx, but even there, good grief, a-b with confirmed boot is about as basic as you can get. I confess I've seen incredible sloppiness about when a confirmation is done (too early, including in the initial init stages which is way too soon) and watchdogs (spawn off a process that has a while loop stroking the wd - just absolutely pointless).
    • cozzyd 3y ago
      I've seen kicking and petting the watchdog, but this is my first time seeing stroking
      • LoganDark 3y ago
        Sometimes the watchdog needs to have fun too, you know.
      • WWLink 3y ago
        I've heard all of the above, often "stroking". I never used those because I like systems where you have a random challenge code to respond to. Then the software has to not be acting as wonky to react correctly.
    • ahartmetz 3y ago
      From experience, QNX is actually very nice. I wouldn't say "still using QNX" like it's some crap that nobody would want.
      • mips_r4300i 3y ago
        Indeed, a good RTOS from 10-20 years ago works just as good now as it did back then. The only things that change are dev environments and the driver support.