Speculation: this was due to a "brown out" rather than overheating. The usb key power use + jpg conversion + sd card write + hdmi output + whatever else may use so much current that the voltage dropped below some safe level.
> On Oct 8, 2026, at 3:14 AM, [email protected] wrote: > > I propose an alternate test. If you folks can provide a simple program I can > run that will "heavily exercise" the pi, I'll run it, then attempt to execute > fshalt again. If the error comes back, we'll have a pretty-good idea that > that's the problem. > > -------------------- > > I suddenly recall, one of the things I did, at one point, was try to convert > a jpg to the plan9 image format, doing this from the folder of my usb-key. > Surely this is noted here somewhere, in one of my posts, if not in this > thread.. It worked for -ages-. Or rather, it failed to complete for ages. > I don't actually know if it was doing anything. I think the only way I > managed to "get back in control" was to delete the rio window. Now, I > realize that that might not have actually killed the process. Or it might > have caused the pi to get really hot. That is, technically, a test I can do > again. I don't recall if this was one of the things I was doing at the time > I got this error, but it's a definite possibility. > 9fans <https://9fans.topicbox.com/latest> / 9fans / see discussions > <https://9fans.topicbox.com/groups/9fans> + participants > <https://9fans.topicbox.com/groups/9fans/members> + delivery options > <https://9fans.topicbox.com/groups/9fans/subscription>Permalink > <https://9fans.topicbox.com/groups/9fans/Tc322db746dabdc8f-Md7b6a51d5b4522926f32f443> ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tc322db746dabdc8f-M5aa47e24f5b4a5cf63fd01b3 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription
