Date: Fri, 23 Sep 2022 18:29:51 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Warner Losh <imp@bsdimp.com> Cc: Cy Schubert <Cy.Schubert@cschubert.com>, John Baldwin <jhb@freebsd.org>, Warner Losh <imp@freebsd.org>, src-committers <src-committers@freebsd.org>, "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>, dev-commits-src-main@freebsd.org Subject: Re: git: df065f699f1f - main - stand: More sensible defaults when ConOut is missing Message-ID: <20220924012951.D46B7BE@slippy.cwsent.com> In-Reply-To: <CANCZdfp0uWFqu237%2B1L0zi57Z1KkXZjmuVx95Sxe7bCbGSdkeQ@mail.gmail.com> References: <202208270418.27R4IkeL078154@gitrepo.freebsd.org> <0fccddc3-126d-f7b6-3b69-5fc1cbdb2775@FreeBSD.org> <7e773164-4317-ba17-1f26-1f382cf46fb3@FreeBSD.org> <20220924004655.42D9418E@slippy.cwsent.com> <CANCZdfp0uWFqu237%2B1L0zi57Z1KkXZjmuVx95Sxe7bCbGSdkeQ@mail.gmail.com>
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In message <CANCZdfp0uWFqu237+1L0zi57Z1KkXZjmuVx95Sxe7bCbGSdkeQ@mail.gmail.c om> , Warner Losh writes: > --000000000000f036fc05e961e571 > On Fri, Sep 23, 2022 at 6:47 PM Cy Schubert <Cy.Schubert@cschubert.com> > wrote: > > > In message <7e773164-4317-ba17-1f26-1f382cf46fb3@FreeBSD.org>, John > > Baldwin > > wri > > tes: > > > On 9/23/22 2:29 PM, John Baldwin wrote: > > > > On 8/26/22 9:18 PM, Warner Losh wrote: > > > >> The branch main has been updated by imp: > > > >> > > > >> URL: > > https://cgit.FreeBSD.org/src/commit/?id=df065f699f1ff819bb9607c44a675 > > > 4275ab335ed > > > >> > > > >> commit df065f699f1ff819bb9607c44a6754275ab335ed > > > >> Author: Warner Losh <imp@FreeBSD.org> > > > >> AuthorDate: 2022-08-26 21:46:33 +0000 > > > >> Commit: Warner Losh <imp@FreeBSD.org> > > > >> CommitDate: 2022-08-27 04:17:56 +0000 > > > >> > > > >> stand: More sensible defaults when ConOut is missing > > > >> > > > >> When ConOut is missing, we used to default to serial. Except we > > did > > > it > > > >> in the worst way possible by just setting the howto bits and not > > > >> updating the console setting, which lead to weird behavior > > where we' > > > d > > > >> get some things on the video port, others on serial. > > > >> > > > >> Instead, set console to "efi,comconsole" for this case. Also set > > > >> RB_MULTIPLE always (so we get dual consoles from the kernel) > > and or > > > in > > > >> RB_SERIAL when we can't find GOPs that suggest the precense of > > a vid > > > eo > > > >> console. This will put output in the most places and have a > > sensible > > > >> default for 'primary' console. > > > >> > > > >> Sponsored by: Netflix > > > >> Reviewed by: emaste, manu > > > >> Differential Revision: https://reviews.freebsd.org/D36299 > > > > > > > > One possibly surprising result of this is that I did not get dual > > console > > > > output on my rpi after this. (Curiously this only affected my arm64 > > image > > > > but not my armv7 image.) Loader output goes to both, but kernel > > output is > > > > only on the video console (which I don't normally use for my pi). > > (Also, > > > > none of the ANSI escape sequences used by the loader work on the pi's > > video > > > > console, so once the menu starts it just looks like raw ANSI code > > garbage > > > > until the kernel starts booting.) > > > > > > > > Not sure if this warrants UPDATING as the effect is that the serial > > console > > > > seems to stop working? The lack of working dual console output is > > perhaps > > > > the only real bug. Not sure what is up there. > > > > > > FWIW, using 'console="comconsole,efi"' did not work as a workaround. > > Same > > > results (used the video console only for the kernel). Had to use > > > 'console="comconsole"' in /boot/loader.conf. > > > > On one of my two machines with console="comconsole,vidconsole" failed to > > get past loading the kernel. Booting a rescue USB disk and replacing > > console with "comconsole" only resolved the hang. > > > > I'm not sure why it affected one and not the other as both are identical > > hardware. > > > > This is indeed weird. Both EFI or BIOS boot? BIOS. -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: http://www.FreeBSD.org NTP: <cy@nwtime.org> Web: https://nwtime.org e^(i*pi)+1=0
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