Date: Thu, 24 Jan 2019 22:00:18 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Phil Norman <philnorm@gmail.com>, usb@freebsd.org Subject: Re: Diagnosing probable USB hardware failure Message-ID: <2ef9ce91-27cb-fced-aa08-1c26b28f3991@selasky.org> In-Reply-To: <CAOa8eG5hnBYpuv3s8MR05UZNxN8n8W9=gPv%2BpKhFiARrvx0Lmg@mail.gmail.com>
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On 1/24/19 9:51 PM, Phil Norman wrote: > Hi. > > I have a Ryzen 3 1200, and Fatal1ty X370 mini-ITX motherboard. I've been > suffering USB problems (details here: > https://lists.freebsd.org/pipermail/freebsd-stable/2018-June/089155.html) > for a long time, have tried a bunch of BIOS updates, including the latest > for my motherboard. I've also gone through 3 versions of FreeBSD, and am > now on 12/stable. > > In short, the only way I can have a stable USB system is by switching power > off, then booting up from cold, and then not removing or inserting any USB > devices. Kind of annoying. > > I'm pretty convinced this is not an OS issue (I had the same problem on > NetBSD, and instability on Linux too, before I switched to FreeBSD). > However, I have no idea how much of the USB hardware is implemented in the > CPU, and how much in the motherboard. Can anyone help me with this > question, or point me at diagnostic tools for figuring out where the > problem is? > > I'd be *very* happy to solve this problem. > Hi, Did you try to enable the XHCI debugging sysctl to get more information? sysctl hw.usb.xhci.debug=16 --HPShome | help
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