Date: Tue, 24 Oct 2023 09:43:53 -0600 From: Warner Losh <imp@bsdimp.com> To: bob prohaska <fbsd@www.zefox.net> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: ucom debug not working on releng/14 Message-ID: <CANCZdfpogyGRWUxrJSYrnkxbgf=fxzMrKcGuOq4%2B67TuD=DCKQ@mail.gmail.com> In-Reply-To: <ZTfj%2B1Qk63qfn%2BJp@www.zefox.net> References: <ZTfj%2B1Qk63qfn%2BJp@www.zefox.net>
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--0000000000005eaa1a06087835eb Content-Type: text/plain; charset="UTF-8" I thought that was a loader tuneable... have you tried it there? Warner On Tue, Oct 24, 2023, 9:34 AM bob prohaska <fbsd@www.zefox.net> wrote: > A Pi2 running armv7 releng/14 reports > > sysctl: unknown oid 'hw.usb.ucom.debug' at line 10 > > when booting. > > The intent was to understand why it drops ssh connections > when they are used to communicate with an ftdi usb-serial > adapter. A few other hosts running -current accept the > debug setting and generate copious output in response. > > Man pages suggest the option is available on stable, > -current and releng/, but it seems to actually work > only on -current, at least for armv7. > > Thanks for reading, and any hints what might be done wrong. > > bob prohaska > > > --0000000000005eaa1a06087835eb Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"auto">I thought that was a loader tuneable... have you tried it= there?<div dir=3D"auto"><br></div><div dir=3D"auto">Warner</div></div><br>= <div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Oc= t 24, 2023, 9:34 AM bob prohaska <<a href=3D"mailto:fbsd@www.zefox.net">= fbsd@www.zefox.net</a>> wrote:<br></div><blockquote class=3D"gmail_quote= " style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">A= Pi2 running armv7 releng/14 reports<br> <br> sysctl: unknown oid 'hw.usb.ucom.debug' at line 10<br> <br> when booting. <br> <br> The intent was to understand why it drops ssh connections<br> when they are used to communicate with an ftdi usb-serial<br> adapter.=C2=A0 A few other hosts running -current accept the<br> debug setting and generate copious output in response.<br> <br> Man pages suggest the option is available on stable,<br> -current and releng/, but it seems to actually work<br> only on -current, at least for armv7.<br> <br> Thanks for reading, and any hints what might be done wrong.<br> <br> bob prohaska<br> <br> <br> </blockquote></div> --0000000000005eaa1a06087835eb--
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