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Comment on 10% of Firefox crashes are caused by bitflips

Hmm thanks, also please massively digress if you would like to.

I interpreted it like 10% is a lot if it’s 10% of a million. That 100,000. So if there’s a million things that crash Firefox that’s a high number.

If Firefox only crashes 10 times a year because it runs that well, 10% or that 1 time it crashes from a bitflip is impressive that the rare bitflip takes up such a high percentage of total crashes because Firefox just doesn’t crash very often.

If your dead is justified that won’t be too surprising as a hardware is getting made less reliable these days thing. Enshitification being the norm, and tech being in everything nowadays

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xxce2AAb@feddit.dk ⁨2⁩ ⁨weeks⁩ ago
I agree, and there are a number of other biases to consider. Here’s some I can think of:

Firefox will mainly be running of desktops, laptops and smartphones. I would expect QA to be significantly better for this type of device than, say, consumer grade routers or TV boxes. But more concerning to me is stuff like cheap ATMs, industrial control systems (although Siemens have great QA) and elevator control systems etc. Infrastructure, not consumer toy, and Mozilla obviously aren’t the right people to say anything about the state of any of that.

While Mozilla is currently estimating approximately 200 million installs, some of those - especially on Linux - will have disabled telemetry. I know I do. With that said, I can’t recall the last time I had a FF CTD (crash to desktop) but I suspect when I did, it wasn’t even a bug but an OOM (out-of-memory) kill because I was browsing on something like a 2Gb RAM micro-portable with insufficient swap. FF is one impressively stable piece of software these days.

Firefox usage is not evenly globally distributed, and I have no way to reliably assess whether FF has a larger or smaller proportional usage in regions that may rely more on older or refurbished hardware, which I would expect to have higher HW error rates (although I cannot prove that either - I can’t find any good public aggregate data for RAM MTBF trends over time, but I’d be very interested if somebody else knows where to find authoritative answers on that).

(Un)fortunately, this may be the most Mozilla can provide in terms on insight. Their users tend to be particularly sensitive of perceived or practical privacy violations, so I understand - and appreciate - their caution in gathering data.
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