On the other hand, I'm yet to hear an actual case of a broken build due to non-ECC. It's not impossible, but it seems exceedingly rare. You're far more likely to spend 100x as much time on logical errors or out-of-resources problems.
Alex On Fri, 17 Feb 2023 at 09:31, Yoann Congal <[email protected]> wrote: > > Hi! > > Le ven. 17 févr. 2023 à 06:08, <[email protected]> a écrit : >> >> Is there generally suggested advice regarding the importance of ECC on the >> build computer? I'm very new to Yocto so I'm not sure if there is a chance >> the final build image could experience some corruption due to flipped bits >> in RAM or if I'm totally overthinking this. > > > Last time I checked. The ECC vs non-ECC price difference was not worth the > time you may spend in case of a RAM bitflip. > Here, we put ECC RAM in our build systems and I guess it's quite the industry > standard. > >> It is also possible that Yocto does some kind of CRC checking of its own >> that makes this a non-issue. Any guidance would be appreciated. Thank you! > > > Yocto does source integrity checks (the stuff it downloads from the internet) > but it can't do much more after that. > > I've yet to debug a RAM bitflip but I guess it may trigger any kind of weird > behavior which may be hard to debug and time consuming. > > My advice is : keep your time and sanity, use ECC RAM. > > Regards, > -- > Yoann Congal > Smile ECS - Expert technique > > >
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