Date: Fri, 23 Sep 2022 17:46:55 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: John Baldwin <jhb@FreeBSD.org> Cc: Warner Losh <imp@FreeBSD.org>, src-committers@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: <20220924004655.42D9418E@slippy.cwsent.com> In-Reply-To: <7e773164-4317-ba17-1f26-1f382cf46fb3@FreeBSD.org> References: <202208270418.27R4IkeL078154@gitrepo.freebsd.org> <0fccddc3-126d-f7b6-3b69-5fc1cbdb2775@FreeBSD.org> <7e773164-4317-ba17-1f26-1f382cf46fb3@FreeBSD.org>
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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. -- 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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