Date: Thu, 7 Nov 2024 11:59:18 -0800 From: Warner Losh <imp@bsdimp.com> To: Alexander Leidinger <Alexander@leidinger.net> Cc: Current FreeBSD <freebsd-current@freebsd.org> Subject: Re: No valid device tree blob found! Message-ID: <CANCZdfq%2BUuP7Ya69jz5jnoBB1Cg2Y-sHq1g%2BixsmEvjU7cSipA@mail.gmail.com> In-Reply-To: <a007694a811d1daa48703236b3eba007@Leidinger.net> References: <8cf9adb0e7ca6340460c695ffd64a0df@Leidinger.net> <896b9ce404ffcb126dcdd6008583b117@Leidinger.net> <CANCZdfr4qGgyt=fN4%2BJiFytthjseNo_2B0LVXHZNH93Y3vqEVg@mail.gmail.com> <a007694a811d1daa48703236b3eba007@Leidinger.net>
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--000000000000897232062658128b Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, Nov 6, 2024 at 3:41=E2=80=AFAM Alexander Leidinger <Alexander@leidi= nger.net> wrote: > Am 2024-11-02 17:08, schrieb Warner Losh: > > > > On Sat, Nov 2, 2024, 10:03=E2=80=AFAM Alexander Leidinger <Alexander@leid= inger.net> > wrote: > > Am 2024-10-30 22:11, schrieb Alexander Leidinger: > > > WARNING! Trying to fire up the kernel, but no device tree blob found! > > For anyone interested, I opened > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282493 for this. > > > Yea. This is a hang or a bad console. The warning is lame and misleading. > > Can you bisect? > > Found it. > > # git bisect bad > c87b3f0006be9ac5813f1ff636f18c9b4a41b08e is the first bad commit > commit c87b3f0006be9ac5813f1ff636f18c9b4a41b08e (HEAD) > Author: Warner Losh <imp@FreeBSD.org> > Date: Mon Oct 14 15:58:10 2024 -0600 > > uart: uart_getenv: check for NULL class last, not first > > This allows one to specify dt:XXXX when the default class isn't > compiled > into the kernel. It's not an error to not have a class until we're do= ne > parsing the spec, so defer checking until then. > > Sponsored by: Netflix > Reviewed by: adrian, andrew, markj > Differential Revision: https://reviews.freebsd.org/D47078 > > sys/dev/uart/uart_subr.c | 14 +++++++------- > 1 file changed, 7 insertions(+), 7 deletions(-) > > -current as of today without this change boots just fine on the Ampere > system in the Oracle cloud. > what's your loader.conf? this should only matter if something is set there... Warner --000000000000897232062658128b Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote">= <div dir=3D"ltr" class=3D"gmail_attr">On Wed, Nov 6, 2024 at 3:41=E2=80=AFA= M Alexander Leidinger <<a href=3D"mailto:Alexander@leidinger.net">Alexan= der@leidinger.net</a>> wrote:<br></div><blockquote class=3D"gmail_quote"= style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);p= adding-left:1ex"><div style=3D"font-size:10pt;font-family:Verdana,Geneva,sa= ns-serif"> <div style=3D"font-size:10pt;font-family:Verdana,Geneva,sans-serif"> <p id=3D"m_33128641647853291v1reply-intro">Am 2024-11-02 17:08, schrieb War= ner Losh:</p> <blockquote type=3D"cite" style=3D"padding:0px 0.4em;border-left:2px solid = rgb(16,16,255);margin:0px"> <div id=3D"m_33128641647853291v1replybody1"> <div dir=3D"auto"> <div><br><br> <div> <div dir=3D"ltr">On Sat, Nov 2, 2024, 10:03=E2=80=AFAM Alexander Leidinger = <<a href=3D"mailto:Alexander@leidinger.net" rel=3D"noreferrer" target=3D= "_blank">Alexander@leidinger.net</a>> wrote:</div> <blockquote style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204= ,204,204);padding-left:1ex">Am 2024-10-30 22:11, schrieb Alexander Leidinge= r:<br><br>> WARNING! Trying to fire up the kernel, but no device tree bl= ob found!<br><br>For anyone interested, I opened <br><a href=3D"https://bug= s.freebsd.org/bugzilla/show_bug.cgi?id=3D282493" rel=3D"noopener noreferrer= " target=3D"_blank">https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282= 493</a> for this.</blockquote> </div> </div> <div dir=3D"auto">=C2=A0</div> <div dir=3D"auto">Yea. This is a hang or a bad console. The warning is lame= and misleading.</div> <div dir=3D"auto">=C2=A0</div> <div dir=3D"auto">Can you bisect?</div> </div> </div> </blockquote> <p>Found it.</p> <p style=3D"padding-left:40px"># git bisect bad<br>c87b3f0006be9ac5813f1ff6= 36f18c9b4a41b08e is the first bad commit<br>commit c87b3f0006be9ac5813f1ff6= 36f18c9b4a41b08e (HEAD)<br>Author: Warner Losh <imp@FreeBSD.org><br>D= ate: =C2=A0 Mon Oct 14 15:58:10 2024 -0600</p> <p style=3D"padding-left:40px">=C2=A0 =C2=A0 uart: uart_getenv: check for N= ULL class last, not first</p> <p style=3D"padding-left:40px">=C2=A0 =C2=A0 This allows one to specify dt:= XXXX when the default class isn't compiled<br>=C2=A0 =C2=A0 into the ke= rnel. It's not an error to not have a class until we're done<br>=C2= =A0 =C2=A0 parsing the spec, so defer checking until then.</p> <p style=3D"padding-left:40px">=C2=A0 =C2=A0 Sponsored by: =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 Netflix<br>=C2=A0 =C2=A0 Reviewed by: =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0adrian, andrew, markj<br>=C2=A0 =C2=A0 Different= ial Revision: =C2=A0<a href=3D"https://reviews.freebsd.org/D47078" target= =3D"_blank">https://reviews.freebsd.org/D47078</a></p>; <p style=3D"padding-left:40px">=C2=A0sys/dev/uart/uart_subr.c | 14 +++++++-= ------<br>=C2=A01 file changed, 7 insertions(+), 7 deletions(-)</p> <p>-current as of today without this change boots just fine on the Ampere s= ystem in the Oracle cloud.</p></div></div></blockquote><div><br></div><div>= what's your loader.conf? this should only matter if something is set th= ere...=C2=A0=C2=A0</div><div><br></div><div>Warner=C2=A0</div></div></div> --000000000000897232062658128b--
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