Re: Mystery in part solved: (apparently) NetBSD dislikes the Ugreen NVMe enclosure GTIN 06941876232673

[mlelstv%serpens.de@localhost (Michael van Elst)]

el%horse64.org@localhost (Ellie) writes:

>I managed to resolve my freezing mystery in part, by finding the freeze 
>trigger: It's the UGREEN NVMe M.2 SSD Enclosure USB 3.2 Gen 2 from 
>Ugreen Gorup Limited, GTIN 06941876232673.

>I still think this might be a NetBSD bug, because the UGREEN enclosure 
>worked fine for almost an entire year(!) when running a heavily used 
>Linux install. I had a different SSD in there however, but that would be 
>the only difference.


I'd rather suspect a combination. NVMe devices tend to draw a lot of power
when used and an USB enclosure is only good for 2.5W (USB2) or 4.5W (USB3).

A system lockup in that situation is of course a NetBSD issue :)